US Pat. No. 9,974,145

OCCUPANCY SENSOR WITH BUILT-IN POWER PACK TO OPERATE MULTIPLE SENSORS

Leviton Manufacturing Co....

1. A line voltage occupancy sensor comprising:an occupancy sensor housing;
an occupancy sensing element located within the occupancy sensor housing, the occupancy sensing element for sensing an occupancy condition of a monitored area;
a load control device located within the occupancy sensor housing, the load control device communicatively coupled to the occupancy sensing element, the load control device including a relay for controlling a load in response to signals received from the occupancy sensing element;
an input interface located within the occupancy sensor housing, the input interface for connecting to a building main power supply for receiving line AC voltage from the building main power supply to power the occupancy sensor;
an AC/DC converter located within the occupancy sensor housing, the AC/DC converter for converting the AC voltage to low voltage DC power; and
a low voltage output interface located within the occupancy sensor housing, the low voltage output interface for coupling to DC power wires for transmitting low voltage DC power to one or more low voltage occupancy sensors for powering the low voltage occupancy sensors.

US Pat. No. 9,974,152

POWER EFFICIENT LINE SYNCHRONIZED DIMMER

Leviton Manufacturing Co....

1. A dimmer circuit comprising:a latchable switch having an unlatched OFF state below a holding current level for controlling delivery of power of an AC power source to a load, the dimmer circuit having an input line voltage terminal and a load terminal, the load terminal coupled to the input line voltage terminal by the latchable switch;
wherein the dimmer circuit is operative for detecting a first voltage across the input line voltage terminal and the load terminal;
wherein based on the first voltage the dimmer circuit is operative to fire the latchable switch at a time that is within a fourth quadrant of a half cycle of an input line voltage; and
wherein when current passing from the input line voltage terminal to the load terminal falls below the holding current level, the latchable switch enters an unlatched OFF state.

US Pat. No. 9,147,974

CABLE TAMPER PREVENTION

LEVITON MANUFACTURING CO....

1. A method of cable tamper prevention, comprising:
inserting a blocking plug, in a direction coincident with a direction of normal insertion of the blocking plug, into an anti-tamper
adapter until the blocking plug extends from the anti-tamper adapter, wherein the blocking plug comprises a molded body that
comprises less than all features or spatial relations of a standard communications plug and comprises a form complementary
to an associated outlet of the standard communications plug;

reversibly locking the blocking plug into a predetermined position in the anti-tamper adapter, thereby aligning a portion
of the anti-tamper adapter that inhibits actuation of a release mechanism associated with the blocking plug; and

connecting the blocking plug to the associated outlet.

US Pat. No. 9,398,667

DIMMER SWITCH HAVING DIMMER ACTUATOR OPERABLE FOR ACTUATING AN AIR-GAP SWITCH

LEVITON MANUFACTURING CO....

1. An electrical dimmer switch comprising:
an air-gap switch for coupling to a power source;
a power semiconductor switch connected in series with said air-gap switch, said power semiconductor switch electronically
controlling power to a load;

a dimmer module, connected to said power semiconductor switch, for coupling to the load to deliver an adjustable level of
power to the load; and

a dimmer actuator movable between an operational position and a disconnected position wherein said dimmer actuator is configured
to act as a single control mechanism for selectively engaging either said dimmer module to adjust the level of power delivered
to the load when in said operational position or said air-gap switch when in said disconnected position.

US Pat. No. 9,431,192

ACTUATOR BIASED BY A HORIZONTAL MEMBER

Leviton Manufacturing Co....

1. A switch actuator assembly for activating a switch in an electrical wiring device comprising:
a. a frame including a peripheral wall;
b. a rocker pivotally mounted to the frame and configured to rotate between a first position and a second position;
c. first and second resilient member supports extending from opposite sides of one of the frame or the rocker, the first and
second resilient member supports arranged and configured to be in registered alignment with respect to one another to form
an axis;

d. a tab including a contact surface, the tab extending from the other of the frame or the rocker;
e. a resilient member including a first end, a second end, and a middle portion, the resilient member having a longitudinal
axis defined between the first and second ends, the first and second ends being configured to engage the first and second
resilient member supports, respectively, and the middle portion being configured to interact with the tab,

wherein the contact surface of the tab deflects the resilient member in a direction that is perpendicular to the longitudinal
axis of the resilient member when the rocker is in the first position and the second position.

US Pat. No. 9,532,435

SYSTEM AND METHOD FOR OCCUPANCY SENSING WITH ENHANCED FUNCTIONALITY

Leviton Manufacturing Co....

1. A lighting system, comprising:
an occupancy sensor for sensing an occupancy condition of a monitored area; and
a light sensor for providing a lighting signal representative of a lighting level of the monitored area;
a first light configured to be energized when the occupancy sensor senses a presence of an occupant in the monitored area;
a second light configured to be energized when the occupancy sensor fails to sense the presence of an occupant in the monitored
area;

wherein, regardless of the occupancy condition of the monitored area, the first light is energized when the lighting signal
indicates the lighting level is below a predetermined threshold lighting level, and the lighting level is below the predetermined
threshold lighting level being a lighting level associated with a failure of the second light.

US Pat. No. 9,343,822

COMMUNICATIONS CONNECTOR SYSTEM

LEVITON MANUFACTURING CO....

1. A wire connector for use with a wire having an elongated conductor surrounded circumferentially by an insulating jacket,
the wire extending longitudinally along a signal conducting direction, the wire connector comprising:
an electrically conductive body portion positionable alongside the wire, the body portion comprising a wire receptacle with
a tapered opening, the opening being defined between a first edge portion of the body portion and a second edge portion of
the body portion, the opening being configured to allow at least a portion of the wire to pass therethrough laterally into
the wire receptacle, the first and second edge portions being configured to cut longitudinally extending openings through
the insulating jacket of the wire and contact the conductor as the portion of the wire enters the wire receptacle laterally
through the opening.

US Pat. No. 9,261,654

FIBER OPTIC ADAPTER PLATES WITH INTEGRATED FIBER OPTIC ADAPTERS

LEVITON MANUFACTURING CO....

1. A molded plastic fiber optic adapter plate assembly, comprising:
a first adapter plate comprising a plurality of integrated fiber optic adapter subassemblies aligned and formed on a planar
face of the first adapter plate, wherein the first adapter plate is a molded plastic adapter plate; and

a second adapter plate comprising a plurality of attachment structures and a corresponding plurality of integrated fiber optic
adapter subassemblies aligned and formed on a flat surface of the second adapter plate, wherein an integrated fiber optic
adapter subassembly from the plurality of integrated fiber optic adapter subassemblies and the corresponding plurality of
integrated fiber optic adapter subassemblies is configured to accept a pair of fiber optic cables, and wherein the first adapter
plate comprises:

a first attachment mechanism on another planar face of the first adapter plate adapted to align and attach the second adapter
plate, wherein the first adapter plate is larger than the second adapter plate and the second adapter plate is configured
to fit within a recessed portion of the first adapter plate via the first attachment mechanism; and

a second attachment mechanism adapted to attach the first adapter plate to an enclosure.

US Pat. No. 9,329,607

ELECTRICAL LOAD CONTROLLER HAVING A FRAME WITH AN INTEGRALLY FORMED BACKLIGHTABLE INDICATOR REGION

Leviton Manufacturing Co....

1. An electrical load controller for use in controlling electrical power to a load from an electrical power source, said electrical
load controller comprising:
an electrical switching device for turning electrical power on and off to the load and for controlling a level of power to
the load;

an actuator assembly comprising:
at least one user actuator actuatable by a user for use in turning on and off electrical power to the load and for use in
adjustably controlling the level of power to the load;

a frame operably attached to said at least one actuator, and said frame comprising an integrally formed backlightable indicator
region comprising an outer continuous solid surface; and

an illumination assembly for providing illumination related to the level of power to the load;
wherein light from said illumination assembly related to the level of power to the load is directable onto a portion of an
inner surface of said backlightable indicator region, transmittable through said backlightable indicator region from said
inner surface to said outer surface, emittable from a portion of said outer surface, and observable by the user.

US Pat. No. 9,316,803

EFFICIENT FIBER USAGE WITHIN PRE-TERMINATED FIBER DEVICES

LEVITON MANUFACTURING CO....

8. A multi-fiber interconnection module, comprising:
a plurality of optical fibers, the plurality of optical fibers comprising a plurality of logical channels;
a first multi-fiber optical connector having installed therein a first subset of the plurality of optical fibers from a first
end of the plurality of optical fibers, wherein the first multi-fiber optical connector has no inactive paths;

a second multi-fiber optical connector having installed therein a second subset of the plurality of optical fibers from the
first end of the plurality of optical fibers, wherein the second multi-fiber optical connector has no inactive paths; and

a plurality of multi-fiber optical connectors having installed therein the plurality of optical fibers from a second end of
the optical fibers, wherein the plurality of multi-fiber optical connectors comprises two twenty-four fiber optical connectors
respectively comprising twenty active optical paths and a twelve fiber optical connector comprising eight active optical paths.

US Pat. No. 9,290,358

RETRACTABLE IN-WALL CABLE SYSTEM

Leviton Manufacturing Co....

1. A retractable cable system for coiling and uncoiling a cable, the system comprising:
a) an axle;
b) a first drum adapted and configured to be non-rotatably coupled to the axle, and a second drum adapted and configured to
be rotatably coupled to the axle;

c) a shaft-pulley assembly including a shaft having a first end and a second end, and a pulley having an outer circumference,
wherein the first end of the shaft is adapted and configured to be rotatably coupled to the axle, and the second end of the
shaft is adapted and configured to be coupled to the pulley; and

d) a spring adapted and configured to couple to the shaft and the first drum to provide torque to the shaft as the shaft rotates
with respect to the axle,
wherein a cable is configured to wrap around the first and second drums and the outer circumference of the pulley, and wherein
the second drum rotates around the axle and the shaft-pulley assembly rotates around the axle as the cable is being coiled
and uncoiled.

US Pat. No. 9,961,750

ADVANCED NETWORKED LIGHTING CONTROL SYSTEM INCLUDING IMPROVED SYSTEMS AND METHODS FOR AUTOMATED SELF-GROUPING OF LIGHTING FIXTURES

LEVITON MANUFACTURING CO....

1. A system for commissioning a network of lighting fixtures, comprising:a plurality of lighting fixtures, each of the plurality of lighting fixtures including: a lighting element;
an identifier unique to each of said plurality of lighting fixtures;
a sensor module associated with at least one of the lighting elements, the sensor module including an occupancy sensing element, a light sensing element and a first transceiver; and
a network coordinator comprising a second transceiver, the network coordinator configured to discover, group and control a portion of the plurality of lighting fixtures by communicating with the first transceivers of each of the plurality of lighting fixtures;
wherein the network coordinator includes a processor programmed to:
receive, via the second wireless transceiver, respective wireless messages sent from each of the plurality of lighting fixtures, each of the respective wireless messages including the identifier associated with the respective lighting fixture;
determine a respective signal strength associated with each of said respective wireless messages; and
rank each of the plurality of lighting fixtures according to the determined signal strength.

US Pat. No. 9,496,696

WEATHER RESISTANT FLIP LID COVER WITH IMPROVED SEALING ARRANGEMENT

Leviton Manufacturing Co....

1. A weather resistant cover for an electrical box or connector, comprising:
a flip lid cover including a first seal recess for receiving a first seal, and a second seal engaging surface for engaging
a second seal, the flip lid cover further including a hinge for pivotably coupling to a portion of an electrical box or connector;

the first seal recess having a first radius that is smaller than a radius of the second seal engaging surface;
wherein when the flip lid cover is in a closed configuration the first and second seals are engageable with first and second
sealing surfaces, respectively, of the electrical box or connector; and

wherein the first seal is a V-ring having a lip portion and a body portion connected to the lip portion, the lip portion positioned
to engage the first sealing surface when the flip lid cover is in the closed configuration; and

wherein when the flip lid cover is configured in the closed configuration an inner chamber is formed between the V-ring and
the second seal.

US Pat. No. 9,368,982

WIRING DEVICE HAVING A HOUSING WITH MULTIPLE PORTIONS AND LOW VOLTAGE PORTS

Leviton Manufacturing Co....

1. A wiring device for fastening in an electrical box, the wiring device comprising:
a strap having first and second mounting holes to facilitate fastening of the wiring device to the electrical box, a center
of the first and second mounting holes lying on an axis parallel to a longitudinal axis of the wiring device;

a housing having a substantially rectangular face, the face being user-accessible once the wiring device is fastened to the
electrical box, the face having an area which is divided into first and second regions by a lateral axis, the lateral axis
being perpendicular to the longitudinal axis;

a first low voltage port being accessible through a first low voltage port aperture on the first region of the substantially
rectangular face;

a second low voltage port being accessible through a second low voltage port aperture on the first region of the substantially
rectangular face;

a third low voltage port being accessible through a third low voltage port aperture on the second region of the substantially
rectangular face; and

a fourth low voltage port being accessible through a fourth low voltage port aperture on the second region of the substantially
rectangular face;

wherein a longitudinal dimension of each of the first, second, third, and fourth low voltage port apertures is substantially
parallel to the longitudinal axis of the wiring device.

US Pat. No. 9,236,691

LOW PROFILE COPPER AND FIBER OPTIC CASSETTES

LEVITON MANUFACTURING CO....

1. A device for use with a panel, the device comprising:
a plurality of outlet assemblies arranged in series;
a bezel member housing the outlet assemblies, the bezel member having a plurality of projections, a different one of the plurality
of projections extending at least partially between adjacent ones of the plurality of outlet assemblies and at least partially
shielding the adjacent outlet assemblies from one other with respect to electrical interference generated thereby; and

a latch mechanism configured to secure the bezel member to the panel.

US Pat. No. 9,295,142

POWER OVER ETHERNET LIGHTING SYSTEM

LEVITON MANUFACTURING CO....

1. A system for controlling an LED lighting system, comprising:
a Power over Ethernet (PoE) LED driver coupleable to a PoE switch via a first power and communication link, the PoE LED driver
comprising a microcontroller for receiving first power and control signals from the PoE switch and for controlling a first
LED driver chip to operate an associated LED lighting fixture in response thereto;

an LED slave controller coupled to the PoE driver via a second power and communication link, the LED slave controller including
a second LED driver chip configured to receive second power and control signals from the microcontroller to operate an associated
LED lighting fixture in response thereto;

wherein the first power and control signals are different from the second power and control signals; and
wherein the first power and communication link comprises a category 5 (CAT5), category 6 (CAT6) cable, or any other cable
type capable of carrying power and control signals.

US Pat. No. 9,462,675

METHOD OF IMPROVING ISOLATION BETWEEN CIRCUITS ON A PRINTED CIRCUIT BOARD

LEVITON MANUFACTURING CO....

1. A method comprising:
forming a first set of circuits on an electrically nonconductive common substrate, the first set of circuits comprising a
first circuit, a first plurality of contacts, and a second plurality of contacts, the first plurality of contacts being couplable
to a plurality of outlet contacts of a first communication outlet, the second plurality of contacts being couplable to a first
plurality of wire terminating contacts;

forming a second set of circuits on the common substrate, the second set of circuits comprising a second circuit, a first
plurality of contacts, and a second plurality of contacts, the first plurality of contacts being couplable to a plurality
of outlet contacts of a second communication outlet, the second plurality of contacts being couplable to second plurality
of wire terminating contacts, the second circuit being disconnected from the first circuit, the first circuit being separated
from the second circuit by an intermediate portion of the common substrate having an effective dielectric constant greater
than an effective dielectric constant of air, the second set of circuits being separated from the first set of circuits by
the intermediate portion of the common substrate;

identifying a portion of the intermediate portion to be removed, the identified portion being sized and shaped to reduce crosstalk
between the first set of circuits and the second set of circuits;

after the forming of the first and second circuits has been completed, removing the portion of the intermediate portion of
the common substrate to define an opening having a border formed entirely by the common substrate, the opening being spaced
apart from both the first and second circuits, neither the opening nor the border containing any electrically conductive material;

reducing crosstalk between the first circuit and the second circuit by allowing the opening to fill with air, the air reducing
the effective dielectric constant within the opening to about one;

coupling the first plurality of contacts of the first set of circuits to the plurality of outlet contacts of the first communication
outlet;

coupling the second plurality of contacts of the first set of circuits to the first plurality of wire terminating contacts;
coupling the first plurality of contacts of the second set of circuits to the plurality of outlet contacts of the second communication
outlet; and

coupling the second plurality of contacts of the second set of circuits to the second plurality of wire terminating contacts.

US Pat. No. 9,454,501

INTELLIGENT PATCH PANEL PORT MONITORING SYSTEM

LEVITON MANUFACTURING CO....

1. A system for monitoring a network architecture, comprising:
an overlay panel configured to mount with respect to a bank of cable ports of a patch panel, wherein the overlay panel comprises:
a sensor comprising electrical contacts that are located in proximity to a cable port, of the bank of cable ports, while the
overlay panel is mounted with respect to the bank of cable ports, wherein the electrical contacts are configured to, in response
to insertion of a cable plug having an attached memory device into the cable port, electrically connect to respective contact
pads of the memory device, and wherein the sensor is configured to read, via the electrical contacts, cable identification
data from the memory device attached to the cable plug;

a universal serial bus (USB) interface configured to connect to a USB cable; and
a controller configured to send the cable identification data to a network management device via the USB interface.

US Pat. No. 9,347,978

ARC FAULT DETECTOR WITH CIRCUIT INTERRUPTER

Leviton Manufacturing Co....

1. An arc fault detector circuit for detecting an arc in an AC power line, the arc fault detector circuit comprising:
a current sensor electrically coupled to the AC power line, wherein the current sensor is configured to output a raw current
signal indicative of the current flowing in the AC power line;

a signal processing circuit electrically coupled to the raw current signal, the signal processing circuit is configured to
output:

a positive step change pulse, the positive step change pulse being output upon the occurrence of a positive step change of
the time differential of the raw current signal greater than a predetermined value;

a negative step change pulse, the negative step change pulse being output upon the occurrence of a negative step change of
the time differential of the raw current signal greater than a predetermined value; and

a noise signal indicative of broadband noise on the AC power line;
a controller electrically coupled to the output of the current sensor and the output of signal processing circuit, wherein
the controller is configured to detect an arc fault on the AC power line based on one or more of the raw current signal, the
positive step change pulse, the negative step change pulse, and the noise signal.

US Pat. No. 10,045,422

SYSTEM AND METHOD FOR LIGHT-BASED ACTIVATION OF AN OCCUPANCY SENSOR WIRELESS TRANSCEIVER

LEVITON MANUFACTURING CO....

1. An occupancy sensor comprising:an occupancy sensing element for detecting an object within an area of coverage;
a light sensing element for detecting light within the area of coverage;
a wireless transceiver configured for wireless communication with a remote device; and
one or more processors, each of said processors coupled to at least one of the occupancy sensing element, the light sensing element and the wireless transceiver, the one or more processors adapted and configured to control at least one load in response to output from the occupancy sensing element and light sensing element;
wherein when the light sensing element senses a predetermined light signal, the one or more processors activates or deactivates the wireless transceiver without affecting operation of the occupancy sensor, the predetermined light signal comprising at least one of a predetermined light pulse, a predetermined number of light pulses, and a predetermined frequency of light pulses.

US Pat. No. 9,565,741

OCCUPANCY SENSOR WITH INTEGRAL EMERGENCY INTERFACE

Leviton Manufacturing Co....

1. An occupancy sensor, comprising:
a housing;
an occupancy sensing element located in the housing, the occupancy sensing element for sensing an occupancy condition of a
monitored space; and

a load control device communicatively coupled to the occupancy sensing element, the load control device coupled to a load
for selectively energizing and de-energizing the load in response to signals received from the occupancy sensing element;

an emergency interface located within the housing, the emergency interface for coupling an external control system to the
occupancy sensor to enable the external control system to control the load via the occupancy sensor; and

a processor coupled to the emergency interface, the processor programmed to receive instructions from the external control
system and, in response to said instructions, control the load independent of the occupancy condition of the monitored space.

US Pat. No. 9,551,454

DEVICE HOLDER

LEVITON MANUFACTURING CO....

1. A system comprising:
a wallplate having a station;
a device cradle comprising at least one slot on a rear surface of the device cradle;
a strap that fits on a back side of the wallplate covering the station, the strap comprising a raised section having disposed
thereon at least one peg, wherein the raised section has a shape that is complementary to the station; and

an attachment mechanism that attaches the strap to the back side of the wallplate,
wherein the at least one peg attaches the device cradle to the strap via interaction with the at least one slot, and
wherein the attachment mechanism aligns the strap to cause the raised section to protrude through the station of the wallplate.

US Pat. No. 9,432,084

TESTABLE MODULAR AUDIO VIDEO DATA WALL PLATE

LEVITON MANUFACTURING CO....

1. A cable management assembly, comprising:
a low voltage work box comprising a top surface, a bottom surface, at least one rear surface adjacent to the top surface and
the bottom surface, a left surface, a right surface, and an opening opposite the at least one rear surface;

a data faceplate configured to mount to the low voltage work box over the opening;
a data faceplate connector installed on the data faceplate, wherein a first side of the data faceplate connector is configured
to interface with a cable on a rear side of the data faceplate;

a multimedia faceplate configured to mount over the data faceplate;
a first internal plug installed on a rear side of the multimedia faceplate, the first internal plug configured to interface
with a second side of the data faceplate connector on a front side of the data faceplate while the multimedia faceplate is
mounted over the data faceplate; and

a first external port installed on a front side of the multimedia faceplate, the first external port comprising an audio/visual
port configured to exchange signaling with the first internal plug.

US Pat. No. 9,350,149

UNIVERSAL BOX SYSTEM

Leviton Manufacturing Co....

1. An electrical device mounting system comprising:
a. a multiple gang electrical body having an open front face sized and configured to receive first and second electrical devices
therein, the body further including first and second groups of connection elements accessible via the open front face, each
of the first and second groups of connection elements comprising a first set of connection elements and a second set of connection
elements;

b. a frame including first and second device openings, the first and second device openings being aligned with the open front
face of the body for receiving first and second electrical devices therein, respectively, each of the first and second device
openings defining a single gang opening, and a spacing face dividing the first and second device openings into separate and
distinct openings;

c. first and second plates disposed in the first and second device openings of the frame, respectively, wherein the first
and second plates are securable to the second set of connection elements of the first group of connection elements and the
second group of connection elements respectively for coupling the frame and the first and second plates to the body, and the
first and second electrical devices are secured to the first and second plates, respectively; and

d. a plurality of single gang covers, each of the plurality of single gang covers comprising a cover section, one of the plurality
of single gang covers adapted and configured to individually cover and seal the first device opening, and the other of the
plurality of single gang covers adapted and configured to individually cover and seal the second device opening, wherein each
of the plurality of single gang covers are securable to the first set of connection elements of the first group of connection
elements and the second group of connection elements respectively, and wherein the spacing face of the frame provides a sufficient
distance between the first and second device openings to enable a user to mount the plurality of single gang covers to the
body.

US Pat. No. 9,147,977

HIGH DENSITY HIGH SPEED DATA COMMUNICATIONS CONNECTOR

LEVITON MANUFACTURING CO....

1. An outlet comprising:
a first substrate comprising a first ground plane and an electrical circuit, the electrical circuit being adjacent to the
first ground plane and spaced apart therefrom, wherein the first ground plane comprises a first plurality of layers with a
different substantially non-conductive layer being positioned between each adjacent pair of the first plurality of layers,
the first plurality of layers being electrically connected to one another;

a second substrate comprising a second ground plane electrically connected to the first ground plane, the electrical circuit
being spaced apart from the second ground plane, wherein the second ground plane comprises a second plurality of layers with
a different substantially non-conductive layer being positioned between each adjacent pair of the second plurality of layers,
the second plurality of layers being electrically connected to one another; and

a plurality of electrical contacts positioned adjacent to the first and second substrates, each of the plurality of electrical
contacts being connected to the electrical circuit.

US Pat. No. 9,543,667

TERMINAL WITH STRAIN RELIEF

LEVITON MANUFACTURING CO....

1. A wiring device terminal for receiving a conductor, the terminal comprising:
a. a contact comprising:
i. a substantially planar surface having an aperture formed therethrough; and
ii. at least one tab extending from an exposed side of the contact, the at least one tab arranged and configured to engage
the conductor; and

b. a fastener adapted and configured to pass through the aperture and selectively and securingly engage the conductor;
wherein when the conductor is inserted into the terminal it is secured directly between the contact and the fastener and is
engaged by the at least one tab providing strain relief for the conductor.

US Pat. No. 9,077,126

LOW PROFILE COPPER AND FIBER OPTIC CASSETTES

LEVITON MANUFACTURING CO....

1. A latch member for use with a patch panel and a pull member, the patch panel comprising first and second apertures, the
pull member comprising first and second tapered surfaces, the latch member comprising:
a first free end portion comprising a first outwardly extending tab configured to be received by the first aperture of the
patch panel;

a second free end portion comprising a second outwardly extending tab configured to be received by the second aperture of
the patch panel, the first and second free end portions being movable with respect to one another;

a biasing portion that biases the first and second tabs outwardly in different directions;
a first projection abutting the first tapered surface of the pull member, moving the pull member in an unlatch direction causing
the first projection to slide inwardly along the first tapered surface moving the first tab inwardly; and

a second projection abutting the second tapered surface of the pull member, moving the pull member in the unlatch direction
causing the second projection to slide inwardly along the second tapered surface moving the second tab inwardly.

US Pat. No. 9,053,886

FAULT CIRCUIT INTERRUPTER DEVICE

Leviton Manufacturing Co....

1. A circuit interrupting device comprising:
a) a housing having front face;
b) a first electrical conductor at least partially disposed within the housing;
c) a second electrical conductor at least partially disposed within the housing;
d) a third electrical conductor at least partially disposed within the housing;
e) fault detection circuit;
f) a reset button at least partially disposed in said housing;
g) a latch rotatable between a reset position; and a trip position; and
h) a circuit interrupter configured to be energized upon the occurrence of a fault to engage said latch and cause the latch
to rotate from the reset position to the trip position;

wherein at least one of said first, second, and third electrical conductors is movable between a first position wherein said
conductors are electrically isolated from each other, and said first, second, and third conductors are positioned at different
distances with respect to the front face; and a second position wherein said conductors are electrically connected to each
other and at least two of the first, second, and third electrical conductors are positioned at a substantially same distance
with respect to the front face.

US Pat. No. 9,608,379

COMMUNICATION CONNECTOR

LEVITON MANUFACTURING CO....

1. A circuit assembly for use with a plurality of outlet contacts, a sixth of the plurality of outlet contacts inducing crosstalk
in a fifth of the plurality of outlet contacts, the sixth outlet contact and a third of the plurality of outlet contacts conducting
a differential signal, the assembly comprising:
a flexible substrate having a first side opposite a second side;
a plurality of contacts positioned on the second side of the substrate, each of the plurality of contacts being configured
to be physically connected to a different one of the plurality of outlet contacts; and

a plurality of electrically conductive traces formed on at least one of the first and second sides of the substrate, a third
of the plurality of electrically conductive traces being connected to the third outlet contact, a fifth of the plurality of
electrically conductive traces being connected to the fifth outlet contact, end portions of the third and fifth traces being
positioned alongside one another such that the end portion of the third trace irradiates a crosstalk canceling signal to the
end portion of the fifth trace, a capacitive coupling being distributed along the third and fifth traces and applying the
crosstalk canceling signal to the fifth trace.

US Pat. No. 9,543,093

UNIVERSAL BOX SYSTEM

Leviton Manufacturing Co....

1. A switch actuator device comprising:
a. a switch housing;
b. a switch mechanism secured to the switch housing, the switch mechanism comprising a body section, a first arm and a second
arm forming a fork, and having a radial hole; and

c. a spring member located inside the switch housing and coupled to the switch mechanism, with a first end of the spring member
being inserted into the radial hole and a second end of the spring member being inserted into a stationary portion or a post
of the switch housing;

wherein when the switch mechanism is being rotated with respect to the switch housing, from either an initial on position
or an off position, a temporary compression of the spring member is caused in an intermediate region of the spring member,
and wherein once the rotation reaches a threshold tripping point or position, said temporary compression of the spring member
forces the movement of the switch mechanism forward so that the spring member expands, biasing the switch mechanism to complete
its rotational motion to either a final on position or off position.

US Pat. No. 9,496,644

COMMUNICATION OUTLET WITH SHUTTER MECHANISM AND WIRE MANAGER

LEVITON MANUFACTURING CO....

1. A communication outlet for use with a communication plug, the outlet comprising:
a plug receiving opening configured to allow at least a portion of the communication plug to pass therethrough;
a shutter door configured to block entry into the communication outlet through the plug receiving opening when in a closed
position, the shutter door being rotatable about a first axis from the closed position to an open position to allow the portion
of the communication plug to be inserted inside the communication outlet through the plug receiving opening, the shutter door
comprising first and second pins extending along a second axis spaced apart from and substantially parallel with the first
axis; and

a biasing member comprising first and second coil springs mounted on the first and second pins, respectively, the biasing
member biasing the shutter door toward the closed position.

US Pat. No. 9,413,121

COMMUNICATION CONNECTORS HAVING SWITCHABLE ELECTRICAL PERFORMANCE CHARACTERISTICS

LEVITON MANUFACTURING CO....

1. A connector for use with a cable a first corresponding connector, and a second corresponding connector, the cable comprising
a plurality of wires, the first and second corresponding connectors each being configured to mate with the connector to form
a different connection therewith, the second corresponding connector comprising at least one aperture, the connector comprising:
a plurality of connector contacts;
a plurality of wire contacts, each of the plurality of wire contacts being couplable to a corresponding one of the plurality
of wires;

a plurality of circuit paths, a different one of the plurality of circuit paths connecting each of the plurality of connector
contacts to a different one of the plurality of wire contact;

a plurality of contact pads, the plurality of contact pads comprising a different contact pad corresponding to each of the
plurality of connector contacts, at least a portion of the plurality of contact pads being connected to one or more coupling
elements, each of the plurality of connector contacts being positioned to contact the contact pad corresponding to the connector
contact; and

an insulator comprising an outwardly extending projection and an insulating portion, the insulating portion being adjacent
the plurality of contact pads, the first corresponding connector pressing against the outwardly extending projection when
the first corresponding connector is mated with the connector thereby causing the outwardly extending projection to transition
the insulator between one of an insulating position and a non-insulating position to a different one of the insulating position
and the non-insulating position, the insulating portion insulating the plurality of contact pads from the plurality of connector
contacts when the insulator is in the insulating position, The plurality of connector contacts contacting the plurality of
contact pads when the insulator is in the non-insulating position, the outwardly extending projection being received by the
at least one aperture of the second corresponding connector when the second corresponding connector is mated with the connector
to thereby avoid causing the outwardly extending projection to transition the insulator.

US Pat. No. 9,276,393

PROCESSOR-BASED CIRCUIT INTERRUPTING DEVICES

Leviton Manufacturing Co....

1. A fault circuit interrupting device comprising:
a first sensor configured to output a first signal having a first frequency and a first characteristic;
a second sensor positioned in proximity to the first sensor;
a gain circuit including a frequency dependent component configured to adjust a gain based on the frequency of the first signal
such that when the first signal has a first frequency, the gain is adjusted to a first adjusted gain, and when the first signal
has a second frequency, the gain is adjusted to a second adjusted gain that is different than the first adjusted gain;

an amplifier configured to receive the first signal and amplify the first characteristic in accordance with either the first
or second adjusted gain, and outputting a corresponding amplified signal having a second characteristic and the same frequency
as the first signal;

a line interrupt assembly configured to interrupt flow of current through a conductor when triggered; and
a controller configured to trigger the line interrupt assembly when the second characteristic exceeds an actual fault threshold.

US Pat. No. 9,793,663

COMMUNICATION CONNECTORS HAVING SWITCHABLE ELECTRICAL PERFORMANCE CHARACTERISTICS

LEVITON MANUFACTURING CO....

1. A communication plug for use with a cable, a first corresponding communication outlet, and a second corresponding communication
outlet, the cable comprising a plurality of wires, the first corresponding communication outlet being configured to mate with
the communication plug to form a first connection therewith, the second corresponding communication outlet being configured
to mate with the communication plug to form a second connection therewith, the second corresponding communication outlet comprising
at least one aperture, the communication plug comprising:
a substrate comprising a plurality of plated through-holes, a plurality of circuit paths, and a plurality of contact pads,
each of the plurality of plated through-holes being configured to receive a corresponding one of the plurality of wires,

a plurality of plug contacts mounted on the substrate, a different one of the plurality of circuit paths connecting each of
the plurality of plug contacts to a different one of the plurality of plated through-holes, the plurality of contact pads
comprising a different contact pad corresponding to each of the plurality of plug contacts, at least a portion of the plurality
of contact pads being connected to one or more coupling elements, each of the plurality of plug contacts being positioned
to contact the contact pad corresponding to the plug contact; and

an insulator comprising an insulating portion and at least one projection, the insulating portion being adjacent the plurality
of contact pads, the at least one projection being configured to transition the insulator from a first one of an insulating
position and a non-insulating position to a different second one of the insulating position and the non-insulating position,
the insulating portion of the insulator insulating the plurality of contact pads from the plurality of plug contacts when
the insulator is in the insulating position, the plurality of plug contacts contacting the plurality of contact pads when
the insulator is in the non-insulating position,

the first corresponding communication outlet pressing against the at least one projection when the first corresponding communication
outlet is mated with the communication plug thereby causing the at least one projection to automatically transition the insulator,
and

the at least one projection being received inside the at least one aperture of the second corresponding communication outlet
when the second corresponding communication outlet is mated with the communication plug such that the second corresponding
communication outlet avoids pressing against the at least one projection and avoids causing the at least one projection to
transition the insulator.

US Pat. No. 9,627,827

COMMUNICATION OUTLET WITH SHUTTER MECHANISM AND WIRE MANAGER

LEVITON MANUFACTURING CO....

1. A communication connector for use with a cable having at least one grounding component, the communication connector comprising:
an electrically conductive housing having a door gripping portion; and
an electrically conductive housing door pivotably coupled to the housing, the housing door being connectable to the at least
one grounding component to form an electrical connection therewith, the housing door being rotatable with respect to the housing
between open and closed positions, a first one of the housing door and the door gripping portion having a projection configured
to engage a different second one of the housing door and the door gripping portion when the housing door is in the closed
position, the projection being configured to electrically connect the housing door with the housing to thereby electrically
connect the at least one grounding component with the housing when the projection engages the second one of the housing door
and the door gripping portion.

US Pat. No. 9,082,569

ELECTRICAL DEVICES WITH REMOVABLE ACTUATOR FRAMES

Leviton Manufacturing Co....

1. A system comprising:
an electrical device having an interface adapted to enable a frame to be attached to and removed from the electrical device;
an opening in the electrical device;
a subactuator arranged to actuate a switch in the electrical device through the opening, and to engage an actuator on the
frame when the frame is attached to the electrical device; and

a first rim disposed about the opening;
where the subactuator includes a second rim arranged to overlap the first rim.

US Pat. No. 9,073,439

ELECTRIC VEHICLE SUPPLY EQUIPMENT

Leviton Manufacturing Co....

1. Electric vehicle supply equipment, comprising:
an enclosure;
an electric vehicle supply circuit for providing a flow of current to an electric vehicle from a power source;
a charge circuit interrupting device located within the enclosure, the charge circuit interrupting device being arranged to
interrupt the flow of current to the electric vehicle;

a grounding monitor circuit located within the enclosure, the grounding monitor circuit coupled to grounding conductors, the
grounding monitor circuit having a grounding output signal;

a ground default detection circuit located within the enclosure, the ground fault detection circuit coupled to current carrying
conductors, the ground fault detection circuit having a fault detection output signal;

a controller located within the enclosure, the controller coupled to the grounding monitor circuit, the ground fault detection
circuit and the charge circuit interrupting device, where the controller is constructed and arranged to monitor the charge
circuit interrupting device by providing a control signal to the charge circuit interrupting device; and

logic circuitry arranged to receive results from the charge circuit interrupting device, the grounding output signal and fault
detection output signals and the control signal, and assert a close signal based upon the grounding output signal and fault
detection signal.

US Pat. No. 9,073,446

ELECTRIC VEHICLE SUPPLY EQUIPMENT WITH STORAGE CONNECTOR

Leviton Manufacturing Co....

1. A system comprising: a housing; an electric vehicle supply circuit disposed within the housing and constructed and arranged
to provide power to an electric vehicle from a power source;
a charging cord coupled to the electric vehicle supply circuit and extending from the housing to supply power to the electric
vehicle;

an electric vehicle charging connector located at an end of the charging cord to couple t the electric vehicle; and
a storage connector rotatably attached to the housing at two pivot points, the storage connector including a receptacle to
receive and hold the electric vehicle charging connector when the electric vehicle charging connector is not in use;

wherein the storage connector is configured to rotate between a first position to facilitate a user inserting the electrical
vehicle charging connector into the receptacle formed in the storage connector and a second position to facilitate a user
removing the electrical vehicle charging connector from the receptacle formed in the storage connector.

US Pat. No. 9,639,068

DISTRIBUTED CONTROL SYSTEM OPERATION AND CONFIGURATION

LEVITON MANUFACTURING CO....

1. A lighting control system, comprising:
a lighting system input component configured to receive an input and generate a message using an identification including
control information in response to the input;

a communication link coupled to the input component to allow transmission of the message; and
a plurality of lighting system control components associated with the identification, each having at least one actuator, each
of the plurality of the control components coupled to the input component through the communication link and each control
component associated with the identification configured to receive the control information and to individually determine how
to respond to the control information, wherein the input component transmits the message without configuration of control
components associated with the identification and the control components respond to the message without being configured with
the identification of any input components.

US Pat. No. 9,515,437

COMMUNICATION OUTLET WITH SHUTTER MECHANISM AND WIRE MANAGER

Leviton Manufacturing Co....

1. A wire contact for use with both a wire having insulation and a substrate having an opening, the wire contact comprising:
a base portion configured to be pressed into the opening in the substrate; and
first and second spaced apart beams extending away from the base portion, a wire receiving gap being defined between the first
and second beams, each of the first and second beams having first and second free distal end portions, respectively, opposite
the base portion, the first free distal end portion tapering outwardly and away from the second beam, the second free distal
end portion tapering outwardly and away from the first beam, the first and second beams having first and second inner edge
portions, respectively, that extend along the first and second free distal end portions, respectively, and into the gap, at
least a portion of each of the first and second inner edge portions being beveled or relieved to define first and second cutting
edges, respectively, configured to cut through the insulation of the wire when the wire is pressed into the wire receiving
gap, a portion of the first cutting edge being formed in the first free distal end portion and tapering outwardly and away
from the second beam, a portion of the second cutting edge being formed in the second free distal end portion and tapering
outwardly and away from the first beam.

US Pat. No. 9,077,091

RECEPTACLE WITH TERMINAL HOLD-OPEN DETENT

LEVITON MANUFACTURING CO....

1. An electrical receptacle, comprising
a housing including openings comprising at least one electrical socket;
a terminal assembly comprising a terminal clamp, a terminal plate, and a terminal fastener, the terminal fastener operable
to move the terminal clamp toward the terminal plate, the terminal clamp further comprising a tab portion;

wherein the housing includes a tab pocket for receiving the tab portion of the terminal clamp therein, the tab pocket further
including a detent for retaining the tab portion adjacent to a first end of the tab pocket;

wherein when the tab portion is positioned adjacent to the first end of the tab pocket the terminal assembly is in the open
configuration such that a space is formed between the terminal clamp and the terminal plate; and

wherein the detent comprises a pair of opposed ribs having respective upper surfaces engaged with a bottom surface of the
tab portion when the terminal assembly is in the open configuration.

US Pat. No. 9,971,100

METHODS AND DEVICES FOR PREVENTING CONTAMINATION OF FIBER OPTIC CONNECTORS

LEVITON MANUFACTURING CO....

1. A dust cap for use with a fiber optic connector having a ferrule comprising an optical fiber, the ferrule having an end portion including an end surface of the optical fiber through which optical signals are transmitted, the dust cap comprising:a removable cover positionable over the end portion of the ferrule, the cover comprising one or more through-holes configured to allow air to pass therethrough; and
wiping material positioned at least partially inside the cover, the wiping material being adjacent the end surface of the optical fiber when the cover is positioned over the end portion of the ferrule, the wiping material being positioned to filter contaminants from the air that passes through the one or more through-holes when the dust cap is removed from the end portion of the ferrule.

US Pat. No. 9,793,659

SUSPENDED CEILING MOUNTING BRACKET FOR CONNECTOR INSTALLATION

LEVITON MANUFACTURING CO....

1. A bracket assembly, comprising:
a bracket comprising at least one first port opening configured to receive and hold a connector; and
a clip disposed on the bracket, wherein the clip is configured to affix the bracket to a drop wire,
wherein the bracket further comprises at least one box mounting hole configured to attach a surface mount box to the bracket,
and

wherein the surface mount box comprises at least one second port configured to receive and hold the connector.

US Pat. No. 9,640,971

SELF-CALIBRATING CIRCUIT INTERRUPTER

Leviton Manufacturing Co....

1. A circuit interrupter, comprising:
a phase conductive path and a neutral conductive path disposed between a line side and a load side of said circuit interrupter;
a differential transformer coupled to said phase conductive path and said neutral conductive path;
a ground/neutral transformer coupled to said phase conductive path and said neutral conductive path;
a circuit interrupter chip electrically coupled to respective fault inputs from the differential transformer and the ground/neutral
transformer;

a controller electrically coupled to the circuit interrupter chip, the controller further including an electrical sensing
line disposed through the differential transformer and the ground/neutral transformer, the controller coupled to a variable
resistor, where a resistance value of the variable resistor is controllable by said controller; and

an interrupter circuit coupled to the controller for opening at least one of the phase conductive path and the neutral conductive
path when a predetermined ground fault current condition is sensed by the circuit interrupter chip;

wherein the controller is programmed to adjust the resistance value of the variable resistor based on a sensed value of said
predetermined ground fault current condition from said electrical sensing line, wherein the adjusted resistance value adjusts
a fault current interrupter trip-time response of the circuit interrupter to maintain the fault current interrupter trip-time
response within a predetermined range.

US Pat. No. 10,051,715

POWER OVER ETHERNET-BASED TRACK LIGHTING SYSTEM

Leviton Manufacturing Co....

1. A Power over Ethernet (PoE) track lighting system, comprising:a PoE power source equipment;
a power and communication link coupled to the PoE power source equipment;
a PoE enabled low voltage track channel including a pair of power conductors and a pair of communication conductors;
a track head electrically coupled to the PoE enabled low voltage track channel, the track head including a light emitting diode (LED), a pair of power conductors and a pair of communication conductors for contacting the power and communication conductors of the PoE enabled low voltage track channel, respectively; and
a PoE track interface (PTI) device electrically coupled to the PoE power source equipment and the PoE enabled low voltage track channel, the PTI device coupled to the power and communication link for receiving a low voltage DC current signal and a digital communication signal from the PoE power source equipment, the PTI device transmitting the low voltage DC current and a second digital communication signal to the PoE enabled low voltage track channel;
wherein the PTI device (i) separates the received digital communication signal from the received low voltage DC current, (ii) transmits the low voltage DC current to the power conductors of the PoE enabled low voltage track channel, and (iii) converts the received digital communication signal to the second digital communication signal for transmission to the communication conductors of the PoE enabled low voltage track channel; and
wherein connecting the power conductors in the track head to the power conductors in the PoE enabled low voltage track channel transmits the low voltage DC current to the track head for illuminating the LED, and transmits the second digital communication signal to the track head.

US Pat. No. 9,767,973

ELECTRICAL LOAD CONTROLLER HAVING A FRAME WITH AN INTEGRALLY FORMED BACKLIGHTABLE INDICATOR REGION

Leviton Manufacturing Co....

1. An actuator assembly comprising:
at least one user actuator actuatable by a user for use in turning on and off electrical power to a load and for use in adjustably
controlling a level of power to the load;

a frame comprising an integrally formed backlightable indicator region comprising an outer continuous solid surface; and
wherein light from an illumination assembly related to the level of power to the load is directable onto a portion of an inner
surface of said backlightable indicator region, transmittable through said backlightable indicator region from said inner
surface to said outer surface, emittable from a portion of said outer surface, and observable by the user.

US Pat. No. 9,496,726

MULTIPORT USB CHARGER

Leviton Manufacturing Co....

1. A universal serial bus charging device for charging connected electronic devices, comprising:
a microprocessor;
a power supply configured to output a total charging current; and
a plurality of low voltage ports in communication with the microprocessor and electrically coupled to the power supply, each
of the plurality of low voltage ports being capable of connecting with the electronic devices and providing the electronic
devices a device charging current,

wherein the microprocessor is configured to enumerate the connected electronic devices and communicate to each of the enumerated
electronic devices the device charging current available through its respective low voltage port connection,

wherein the available device charging current for each enumerated electronic device is determined by the microprocessor as
a function of the total charging current and the enumerated electronic device, and

wherein each of the enumerated electronic devices self-regulates how much of the available device charging current to draw.

US Pat. No. 9,755,414

OVERHEAD ELECTRICAL GROUNDING MESH AND MECHANICAL GRID STRUCTURE

LEVITON MANUFACTURING CO....

1. A system, comprising:
a conductive mesh and mechanical grid structure comprising a plurality of orthogonally arranged grid beams, wherein a first
grid beam and a second grid beam of the plurality of orthogonally arranged grid beams are rigid and electrically conductive
grid beams disposed above a plurality of electronic equipment in a data center, wherein the second grid beam is arranged orthogonal
to the first grid beam via a hinged portion of the second grid beam adapted to enable a collapsible connection of the second
grid beam to the first grid beam, wherein the hinged portion comprises an open-loop spring to facilitate the collapsible connection,
wherein the hinged portion enables electrical connectivity between the first grid beam and the second grid beam, and wherein
the conductive mesh and mechanical grid structure are configured to provide:

support for an electronic equipment of the plurality of electronic equipment in the data center, and
support for a mechanical equipment of a plurality of mechanical equipment in the data center;
and wherein the conductive mesh and mechanical grid structure is adapted to provide shielding from electrical interference
to another electronic equipment of the plurality of electronic equipment in the data center.

US Pat. No. 9,690,064

MULTI-GANG CASSETTE SYSTEM

Leviton Manufacturing Co....

1. A fiber optic cassette mounting system, comprising:
a fiber optic cassette; and
a fiber optic cassette tray comprising rail guides configured to engage with respective rails of the fiber optic cassette,
wherein a rail guide, of the rail guides, comprises an elongated portion of a surface of the fiber optic cassette tray that
is raised from the surface to form ledges on a left side and a right side of the elongated portion,

wherein the rail guides are configured to hold a single-gang cassette and a multi-gang cassette simultaneously on the fiber
optic cassette tray, and

wherein the fiber optic cassette comprises a latching mechanism comprising a latching protrusion configured to engage with
an aperture on the fiber optic cassette tray.

US Pat. No. 9,946,035

FIBER OPTIC CONNECTOR

LEVITON MANUFACTURING CO....

1. A connector, comprising:a first housing comprising a barrel projection on a front side of the first housing, wherein the barrel projection is hollow and is configured to receive a spring and a ferrule assembly via a front end of the barrel projection, and wherein the barrel projection comprises a groove at or near a base of the barrel projection;
a front body configured to fit over the barrel projection while the spring and the ferrule assembly are in the barrel projection, the front body comprising a rear opening that receives the barrel projection, wherein at least a portion of a rim of the rear opening comprises a ridge configured to be received by the groove of the barrel projection while the front body is attached to the barrel projection; and
a duplex clip configured to hold the first housing and a second housing in a substantially parallel orientation, wherein the duplex clip comprises:
a first pair of rails on a left side of the duplex clip configured to hold a first side plate of the first housing; and
a second pair of rails on a right side of the duplex clip configured to hold a second side plate of the second housing.

US Pat. No. 9,930,753

OCCUPANCY SENSOR WITH ACTIVE SENSITIVITY ADJUSTMENT BASED ON AMBIENT TEMPERATURE

Leviton Manufacturing Co....

1. An occupancy sensor, comprising:a passive infrared (PIR) sensing element to sense a background infrared level of a monitored space, and a heat signature of an occupant or a moving object in the monitored space;
a temperature sensing element to sense an ambient temperature of the monitored space;
memory for storing the background infrared level; and
a processor communicatively coupled to the memory, the PIR sensing element and the temperature sensing element; the processor being programmed to:
determine a difference in temperature between the heat signature of the occupant or the moving object, and the background infrared level so that when the processor determines that the difference in temperature exceeds a sensing threshold, an occupied signal is generated; and
adjust the sensing threshold based on information representative of the ambient temperature in the monitored space;
wherein, when the processor determines that the ambient temperature of the monitored space has changed as compared to a stored value, the processor adjusts the sensing threshold so that a greater or lesser difference in temperature between the heat signature of the occupant or the moving object, and the background infrared level results in the occupied signal being generated.

US Pat. No. 9,971,729

POWER-OVER-ETHERNET POWERED UNIVERSAL SERIAL BUS CHARGING PORT

LEVITON MANUFACTURING CO....

1. An apparatus, comprising:a network plug on a rear side of the apparatus and configured to plug into an Ethernet data port;
a power-over-Ethernet (PoE) interface component configured to receive PoE power via the Ethernet data port;
a conversion component configured to distinguish between types of the PoE power based on at least one of a detected voltage level of the PoE power or identification of at least one conductor of the network plug on which the PoE power is received, and to convert the PoE power to universal serial bus (USB) charging power based on a determined type of the PoE power;
a USB charging port disposed on a front side of the apparatus and configured to output the USB charging power; and
a retaining latch configured to latch the apparatus within a window of a wall plate.

US Pat. No. 9,608,533

PHASE CONTROL WITH ADAPTIVE PARAMETERS

LEVITON MANUFACTURING CO....

1. An apparatus to control an amount of current delivered from an AC power source to an electrical load, the apparatus comprising:
a line terminal configured to be connected to the AC power source;
a load terminal configured to be connected to the electrical load;
a controllably conductive power switch in series electrical connection between the line terminal and the load terminal; and
a switching circuit configured to provide phase control of the controllably conductive power switch so as to control the amount
of current delivered to the electric load, wherein the switching circuit is also configured to automatically detect at least
one of:

the conductive state of the controllably conductive power switch; and
a type of electrical load connected to the load terminal;
wherein the switching circuit is further configured to:
apply a control pulse to the controllably conductive power switch at a first firing angle during a first period of time;
apply the control pulse to the controllably conductive power switch at a test firing angle during a subsequent, second period
of time;

sense whether the controllably conductive power switch remains conductive after application of the control pulse at the test
firing angle;

wherein if the controllably conductive power switch does not remain conductive, incrementing the test firing angle by a predetermined
amount and repeating application of a control pulse during a further subsequent period of time and sensing whether the controllably
conductive power switch remains conductive; and

wherein if the controllably conductive power switch remains conductive, set the test firing angle as a firing angle limit.

US Pat. No. 9,916,946

FRAME HAVING A SINGLE ACTUATOR OPENING SHARED BY A TOGGLE ACTUATOR AND SLIDABLE DIMMER ACTUATOR

Leviton Manufacturing Co....

1. An assembly for use in controlling electrical power to a load from an electrical power source, said assembly comprising:
a frame having a single actuator opening therethrough, said single actuator opening having first and second portions;
a support operably attachable to said frame;
a pivotable toggle actuator accessible through said first portion of said single actuator opening, said toggle actuator pivotable
between a first position and a second position by a user;

a slidable dimmer actuator accessible through said second portion of said single actuator opening, said slidable dimmer actuator
being slidable linearly within said second portion of said single actuator opening anywhere between a first position and a
second position by a user; and

wherein said pivotable toggle actuator is operable for controlling a controllably conductive device to turn on and off power
to the load, and said slidable dimmer actuator is operable for controlling said controllably conductive device to adjustably
control the level of power to the load.

US Pat. No. 9,880,534

SYSTEM AND METHOD FOR OCCUPANCY SENSING USING ADJUSTABLE DETECTION AND LOAD CONTROL PROFILE

LEVITON MANUFACTURING CO....

1. An occupancy sensor, comprising:
an occupancy sensing element;
a photodetector; and
a processor coupled to the occupancy sensing element and the photodetector, the processor configured to:
(i) receive light signals from the photodetector;
(ii) receive occupancy signals from the occupancy sensing element;
(iii) place the occupancy sensor into at least one of a plurality of operating modes based on an estimated time of day, the
estimated time of day determined by the processor based on selected ones of said light signals received from the photodetector;
and

(iv) control an associated load based on at least the selected operating mode and the received occupancy signals;
wherein the plurality of operating modes includes at least a first operating mode, a second operating mode, and a third operating
mode,

the first operating mode being associated with a first predetermined time of day, in the first operating mode, the associated
load is not energized regardless of whether the processor receives occupancy signals from the occupancy sensing element;

the second operating mode being associated with a second predetermined time of day that is different from the first predetermined
time of day, in the second operating mode, the load is energized to a second lighting level greater than a first lighting
level when the processor receives occupancy signals from the occupancy sensing element, the load being energized to the second
lighting level for a first predetermined time period; and

the third operating mode being associated with a third predetermined time of day that is different from the first and second
predetermined time of days, in the third operating mode, the associated load is energized when the processor receives occupancy
signals from the occupancy sensing element, the load being energized for a second predetermined time period that is different
from the first predetermined time period.

US Pat. No. 9,831,606

COMMUNICATION CONNECTOR

LEVITON MANUFACTURING CO....

1. A communication connector comprising:
a plurality of elongated contacts each having first, second, and third portions, the first portion having a first height,
the second portion having a second height, the first height being greater than the second height, the third portion being
configured to contact an electrical contact of a different communication connector, the plurality of elongated contacts comprising
a plurality of contact pairs, each pair being configured to transmit a differential signal and comprising a first contact
and a second contact, the first portion of the first contact being positioned alongside the first portion of the second contact
to capacitively couple the first and second contacts together;

a compensation circuit connected to each of a portion of the plurality of elongated contacts at a position located between
the first and third portions;

a plurality of wire contacts comprising a different wire contact corresponding to each of the plurality of elongated contacts;
and

a substrate comprising a plurality of electrical conductors that comprise a different electrical conductor corresponding to
each of the plurality of elongated contacts that connects the elongated contact to the corresponding wire contact, the first
portion of the each of the plurality of elongated contacts being positioned between the substrate and the third portion of
the elongated contact.

US Pat. No. 9,812,969

GROUND LEAKAGE POWER SUPPLY FOR DIMMING APPLICATIONS

LEVITON MANUFACTURING CO....

1. A dimmer for controlling power to a load, the dimmer comprising:
a phase input terminal configured to couple to an AC power source;
a ground terminal configured to couple to a ground connection of the AC power source;
a load output terminal configured to couple to the load;
a switching circuit electrically coupled between the phase input terminal and the load output terminal;
a controller configured to control the switching circuit such that power to the load is selectively controlled; and
a ground leakage power supply, wherein the ground leakage power supply is a switched mode power supply electrically coupled
to the phase input and ground terminals, wherein the ground leakage power supply derives power only from the phase input and
ground terminals;

wherein the controller receives power from the ground leakage power supply.

US Pat. No. 10,076,012

OCCUPANCY SENSOR WITH SELECTIVE DETECTION

Leviton Manufacturing Co....

1. An occupancy sensor, comprising:an occupancy sensor housing; and
a plurality of occupancy sensing elements located in the occupancy sensor housing, a first of the occupancy sensing elements being positioned to sense an occupancy condition of a first monitored space, a second of the occupancy sensing elements being positioned to sense an occupancy condition of a second monitored space;
wherein the first and second occupancy sensing elements are capable of being independently switched ON and OFF for selectively sensing the first and second monitored spaces via a device positioned within the occupancy sensor housing, the device being selected from one of a communication receiver, a dip switch, a potentiometer (pot) or a rotary switch; and
wherein switching ON the first occupancy sensing element enables the occupancy sensor to control at least one load based on the occupancy condition of the first monitored space while switching ON the second occupancy sensing element enables the sensor to control at least one load based on the occupancy condition of the second monitored space.

US Pat. No. 10,062,528

ELECTRICAL LOAD CONTROLLER HAVING A FRAME WITH AN INTEGRALLY FORMED BACKLIGHTABLE INDICATOR REGION

Leviton Manufacturing Co....

1. A load controller having an indicator for indicating an operational parameter of the load controller, the indicator comprising:an indicator region having an outer surface and an inner surface, the outer surface being a continuous solid surface, and the inner surface having a backlightable portion configured to receive backlighting from the interior of the load controller;
wherein the backlighting is transmittable through the backlightable portion to a corresponding emitting portion of the outer surface such that it can be observed by a user the transmitted backlighting being indicative of a characteristic of the operational parameter.

US Pat. No. 9,759,758

GROUND FAULT DETECTOR

Leviton Manufacturing Co....

1. An apparatus, comprising:
an interruption circuit electrically connected in a power delivery path, the power delivery path including a phase conductive
path and a neutral conductive path;

a silicon-controlled rectifier (SCR) coupled to the interruption circuit and configured to cause the interruption circuit
to interrupt power delivery in at least one of the phase conductive path and the neutral conductive path;

a fault detection circuit coupled to the SCR and configured to provide a first trigger signal to the SCR, wherein the fault
detection circuit includes a sensing coil configured to sense a differential current between the phase conductive path and
the neutral conductive path, and further includes a comparator-type fault detection integrated circuit (IC) that compares
the differential current to a threshold;

a processor coupled to the fault detection circuit and to the SCR, wherein the processor is configured to:
identify when the fault detection circuit provides the first trigger signal;
identify whether the SCR is able to cause the interruption circuit to interrupt power delivery upon receipt of the first trigger
signal during a power half-cycle in which the first trigger signal is provided; and

in the case in which it is identified that the SCR is not able to cause the interruption circuit to interrupt power delivery
during the power half-cycle in which the first trigger signal is provided, provide a second trigger signal to the SCR in a
subsequent power half-cycle.

US Pat. No. 9,648,697

BRIGHTNESS MONITORING FOR LED FAILURES AND DAYLIGHTING TARGET ADJUSTING

LEVITON MANUFACTURING CO....

1. A system for adjusting a daylighting target for a lighting arrangement, comprising:
a lighting fixture group comprising a plurality of lighting fixtures, each of said lighting fixtures in said lighting fixture
group including: a housing, a lighting element, a light sensing element, a lighting fixture processor and a lighting fixture
transceiver disposed within the housing;

a room controller having a first processor and a first transceiver, the first processor programmed to:
instruct, via the first transceiver, each of the plurality of lighting fixture processors to:
illuminate their lighting elements at a predetermined time of day;
receive sensed light level information from their light sensing elements while their lighting elements are illuminated; and
transmit, via the lighting fixture transceiver, respective wireless messages including information representing the sensed
light level;

wherein the first processor is further programmed to receive, via the first transceiver, the respective wireless messages
and to determine a daylighting target for the lighting fixture group based on an average of the sensed light level information,
and instruct, via the first transceiver, the plurality of lighting fixture processors to illuminate their respective lighting
elements in accordance with the daylighting target.

US Pat. No. 10,063,003

TAMPER-RESISTANT ELECTRICAL WIRING DEVICE SYSTEM

Leviton Manufacturing Co....

1. A tamper resistant (TR) mechanism for use in a receptacle, the receptacle including a cover having a plurality of blade openings and a ground pin opening for receiving a two-bladed electrical plug with a ground pin, the TR mechanism comprising:a first slider associated with a first of the plurality of blade openings and a second slider associated with a second of the plurality of blade openings, each of the first and second sliders being movable from a first slider position to a second slider position, wherein, when in the first slider position, the first and second sliders block the plurality of blade openings, and, when in the second slider position, the first and second sliders permit passage of the two-bladed electrical plug thru the plurality of blade openings;
a first locking tab associated with the first slider and a second locking tab associated with the second slider, each of the first and second locking tabs movable from a first tab position to a second tab position, wherein, when in the first tab position, the first and second locking tabs prevent the first and second sliders, respectively, from moving to the second slider position;
a ground pin slider movable from a first ground pin slider position to a second ground pin slider position, the ground pin slider at least partially obstructing the ground pin opening when the ground pin slider is in the first ground pin slider position so that insertion of the ground pin causes the ground pin slider to move from the first ground pin slider position to the second ground pin slider position;
wherein, when the ground pin slider is in the second ground pin slider position, the first and second locking tabs are movable from the first tab position to the second tab position to permit the first and second sliders, respectively, to move from the first slider position to the second slider position;
wherein the first and second sliders are biased towards the first slider position, and the ground pin slider is biased towards the first ground pin slider position;
wherein the TR mechanism includes a vertical longitudinal axis, the ground pin slider being movable parallel to the vertical longitudinal axis when the ground pin slider moves from the first ground pin slider position to the second ground pin slider position, and the first and second sliders are movable parallel to the vertical longitudinal axis when the first and second sliders move from the first slider position to the second slider position; and
wherein, the ground pin slider includes a first end, a second end and an intermediate stem disposed between the first end and the second end, wherein the first end is at least partially located within the ground pin opening when the ground pin slider is in the first ground pin slider position, and the second end of the ground pin slider is connected to a first biasing member for biasing the ground pin slider towards the first ground pin slider position, the second end of the ground pin slider preventing the first and second locking tabs from moving from the first tab position to the second tab position when in the first ground pin slider position.

US Pat. No. 9,912,102

LIMITED POWER OUTLET WITH CHANGEABLE PROTECTIVE BEZEL

LEVITON MANUFACTURING CO....

1. A connector jack receptacle, comprising:
a jack receptacle housing;
an array of signal contacts inside the jack receptacle housing; and
a removable bezel that attaches to a front side of the jack receptacle housing,
wherein the removable bezel comprises an opening that comprises a first keying feature that allows a first plug connector
with a corresponding second keying feature to be mated with the opening, and that allows a second plug connector without the
corresponding second keying feature to be mated with the opening, and

wherein the first keying feature comprises an indentation feature formed by extending an interior side wall of the bezel downward
at a lower corner of the bezel yielding a vertical groove at the lower corner.

US Pat. No. 9,859,663

COMMUNICATIONS CONNECTOR SYSTEM

LEVITON MANUFACTURING CO....

3. A shield for use with a cable comprising a plurality of wire pairs, and a different pair shield surrounding each pair,
the shield comprising:
a compressible body portion having a plurality of open-ended channels formed therein, the plurality of channels comprising
a different corresponding channel for each of at least a portion of the wire pairs, each of the channels being configured
to house both the wire pair corresponding to the channel and the pair shield surrounding the wire pair; and

at least one conductive portion positioned inside at least a portion of the channels, when both the wire pair corresponding
to each channel in the portion of channels and the pair shield surrounding the wire pair are housed inside the corresponding
channel, the compressible body portion being sufficiently compressible to press the at least one conductive portion into contact
with the pair shield surrounding the wire pair housed inside each of the channels in the portion of channels.

US Pat. No. 9,843,121

COMMUNICATION CONNECTOR HAVING CONTACT PADS CONTACTED BY MOVABLE CONTACT MEMBERS

LEVITON MANUFACTURING CO....

1. A communication outlet for use with a communication plug comprising a plurality of plug contacts, the outlet comprising:
a plurality of contact pads;
a plurality of contact members each having an electrically conductive portion attached to an electrically non-conductive portion,
the electrically non-conductive portion of each of the plurality of contact members comprising an engagement surface, the
electrically conductive portion of each of the plurality of contact members forming an electrical connection with a different
corresponding one of the plurality of contact pads, each of the plurality of contact members being movable with respect to
the different corresponding contact pad, the plurality of contact members being movable with respect to the plurality of plug
contacts; and

a biasing member attached to the electrically non-conductive portion of each of the plurality of contact members, the biasing
member being configured to bias the electrically conductive portion of each of the plurality of contact members toward a different
corresponding one of the plurality of plug contacts when the plug is inserted into the outlet, the engagement surface of each
of the plurality of contact members contacting the different corresponding plug contact when the plug is first inserted into
the outlet and sliding along the different corresponding plug contact to position the electrically conductive portion of the
contact member in contact with the different corresponding plug contact as the plug is inserted into the outlet.

US Pat. No. 9,828,789

LOCKING AND SEALING ARRANGEMENT FOR A LOAD SWITCH HANDLE

Leviton Manufacturing Co....

1. A handle assembly, comprising:
a handle having a grasping portion, a handle seal recess, and a hub engaging portion;
a hub having a lock receiving surface and a handle engaging portion;
a shaft receivable within the hub, the shaft having first and second ends, the first end engaged with the handle, the second
end comprising an actuating surface that is rotatable by rotating the grasping portion of the handle; and

a first seal comprising a V-ring disposed within the handle seal recess, the V-ring engaging a sealing face of the hub to
prevent moisture ingress between the handle and the hub.

US Pat. No. 10,136,493

BRIGHTNESS MONITORING FOR LED FAILURES AND DAYLIGHTING TARGET ADJUSTING

LEVITON MANUFACTURING CO....

1. A system for adjusting a daylighting target for a lighting arrangement, comprising:a lighting fixture group comprising a plurality of lighting fixtures, each of said lighting fixtures in said lighting fixture group including: a housing, a lighting element, a light sensing element, a lighting fixture processor and a lighting fixture transceiver disposed within the housing;
a room controller having a first processor and a first transceiver, the first processor programmed to:
instruct, via the first transceiver, each of the plurality of lighting fixture processors to:
illuminate their lighting elements at a predetermined time of day;
receive sensed light level information from their light sensing elements while their lighting elements are illuminated; and
transmit, via the lighting fixture transceiver, respective messages including information representing the sensed light level;
wherein the first processor is further programmed to receive, via the first transceiver, the respective messages and to determine a daylighting target, and instruct, via the first transceiver, the plurality of lighting fixture processors to illuminate their respective lighting elements in accordance with the daylighting target.

US Pat. No. 10,116,102

WIRING DEVICE COMPATIBLE WITH USER-INTERCHANGEABLE MODULES

Leviton Manufacturing Co....

1. A wiring device, comprising:a strap having mounting holes to facilitate fastening of the wiring device to an electrical box;
a housing having a face accessible when the wiring device is fastened to the electrical box, the face having an area divided into a first region and a second region, the second region of the face being configured to removably receive either one of a plurality of user-interchangeable modules selected from the group consisting of a Type A Universal Serial Bus (USB) module and a Type C USB module, wherein the Type A USB module includes a Type A USB port and the Type C USB module includes a Type C USB port, the Type A USB port and Type C USB port each configured to receive a respective male charging connector in electrical communication with an external device;
a first line voltage electrical outlet accessible through a first aperture on the first region of the face; and
a charging circuit in electrical communication with the one of the plurality of user-interchangeable modules, the charging circuit configured to:
receive characteristic information from the one of the plurality of user-interchangeable modules;
select one or more USB power delivery profiles based on the characteristic information; and
communicate the selected one or more USB power delivery profiles to the external device.

US Pat. No. 9,370,068

DIMMING AND CONTROL ARRANGEMENT AND METHOD FOR SOLID STATE LAMPS

LEVITON MANUFACTURING COM...

1. A system for dimming a light emitting diode (LED) lamp, comprising:
an LED lamp, and
an LED dimmer coupled to the LED lamp, the LED dimmer configured to receive electrical power from an alternating current (AC)
source, the LED dimmer comprising a processor and associated memory, the processor executing instructions for:

determining a phase angle of said received AC power,
controlling direct current (DC) power to the LED lamp based on said determined phase angle, and
controlling a dimming range of the LED lamp in a range between a maximum brightness condition of the LED lamp and an off condition
of the LED lamp;

wherein when the LED lamp is in the off condition the AC power source provides a constant minimum level of electrical power
to circuit components of the LED dimmer and the LED lamp.

US Pat. No. 9,370,080

OCCUPANCY SENSOR HAVING AUTOMATED HYSTERESIS ADJUSTMENT FOR OPEN-LOOP DAYLIGHTING OPERATION

LEVITON MANUFACTURING COM...

1. A sensor, comprising:
a housing;
a light sensor located in the housing, the light sensor for detecting ambient light levels in the monitored space;
a processor communicatively coupled to the light sensor; and
a load control device communicatively coupled to the processor, the load control device coupled to a load for selectively
energizing and de-energizing the load in response to a signal received from the processor;

wherein the processor is programmed to perform an open-loop daylighting calibration routine for calculating an amount of light
contributed by the load and using the calculated amount of light to automatically adjust a sensed light level at which the
load is being energized or de-energized.

US Pat. No. 10,139,572

DUPLEX FIBER OPTIC COMPONENTS SUITABLE FOR POLARITY REVERSAL

Leviton Manufacturing Co....

1. A fiber optic connector assembly, comprising:a housing configured to receive a fiber optic cable via a first end, wherein the housing comprises a cylindrical back post that extends from a second end of the housing, the cylindrical back post is configured to receive and hold a ferrule, and the cylindrical back post comprises an engagement feature that traverses a circumference of the cylindrical back post; and
a front housing configured to fit over the cylindrical back post, to engage with the engagement feature, and to allow a portion of the ferrule to protrude through a front of the front housing while coupled to the cylindrical back post,
wherein the front housing is rotatable about the cylindrical back post independently of the ferrule.

US Pat. No. 9,976,764

APPARATUS AND METHODS FOR CONTROLLING A VENTILATION MECHANISM

Leviton Manufacturing Co....

1. A user-configurable control device for a ventilation mechanism having a plurality of differing user selected operational modes, the user-configurable control device comprising:a first user selectable input mechanism;
a second user selectable input mechanism;
a third user selectable input mechanism;
an atmospheric sensor; and
a controllably conductive switch in electrical connection with the ventilation mechanism,
wherein the first user selectable input mechanism is operable to provide a first input, the second user selectable input mechanism is operable to provide a second input, and the third user selectable input mechanism is operable to provide a third input, and
wherein the first, second and third inputs allow the user to configure the control device to alter operation of the ventilation mechanism according to one of the differing user selected operational modes.

US Pat. No. 10,063,021

CONNECTOR ASSEMBLY WITH BALL JOINT INTERFACE

LEVITON MANUFACTURING CO....

1. A connector assembly comprising:a first communication connector;
a second communication connector movable with respect to the first communication connector, the first communication connector being movable with respect to the second communication connector; and
a flexible substrate connecting the first communication connector to the second communication connector, the flexible substrate being configured to be coiled into one or more coils, the one or more coils at least one of tightening and loosening to maintain a connection between the first and second communication connectors as at least one of the first and second communication connectors is moved, the flexible substrate comprising a plurality of transmission lines and a plurality of compensation components, the plurality of transmission lines conducting a plurality of differential signals between the first and second communication connectors, the plurality of compensation components each coupling a first one of the plurality of transmission lines to a different second one of the plurality of transmission lines.

US Pat. No. 9,271,375

SYSTEM AND METHOD FOR OCCUPANCY SENSING WITH ENHANCED FUNCTIONALITY

LEVITON MANUFACTURING COM...

1. An occupancy sensor, comprising:
an occupancy sensing element;
a wireless transceiver for receiving wireless signals from a remote device to configure the occupancy sensor from a remote
location, the wireless transceiver capable of operating in a micro-Access Point (?AP) mode; and

a processor in communication with the wireless transceiver, the processor for executing instructions to control at least one
of a configuration and an operational characteristic of the occupancy sensor and for commanding and decoding communication
signals sent between the occupancy sensor and the remote device;

wherein said wireless transceiver is further configured to transmit wireless signals to the remote device, said transmitted
wireless signals including information representative of an operational characteristic of said wireless occupancy sensor during
a previous time period.

US Pat. No. 9,095,013

SYSTEM AND METHOD FOR OCCUPANCY SENSING WITH ENHANCED FUNCTIONALITY

LEVITON MANUFACTURING COM...

1. A load control system, comprising:
an occupancy sensor for sensing an occupancy condition of a monitored area;
a light sensor for providing a lighting, signal. representative of a lighting, level of the monitored area; and
a wireless transceiver associated with the occupancy sensor, the wireless transceiver for receiving wireless signals from
a remote device to configure the occupancy sensor from a remote location;

wherein said wireless transceiver is further configured to transmit wireless signals to the remote device, said transmitted
wireless signals including information representative of an operational characteristic of said occupancy sensor during a previous
time period, and

wherein, regardless of the occupancy condition of the monitored area, an associated load is energized when the lighting signal
indicates the lighting, :level is below a predetermined threshold lighting level.

US Pat. No. 9,112,321

ILLUMINATED RECEPTACLE

LEVITON MANUFACTURING COM...

1. An illuminated receptacle comprising:
a housing configured to be received within an electrical box, said housing including electrically conductive terminals for
receiving electrical power and one or more sockets for receiving a plug to receive electrical power from said electrical box,
each socket having at least two openings aligned with said electrically conductive terminals for receiving a respective prong
of said plug;

a tamper resistant (TR) platform associated with each of the one or more sockets, each of the TR platforms being disposed
between the housing, each of the TR platforms including a cavity and an aperture extending thru said platform in said cavity;

a slider disposed within each of the cavities of the platform and aligned with said at least two openings of a respective
socket, said slider adapted to one of: prevent or permit insertion of said prongs within said at least two openings of a respective
said one or more sockets; and,

a light source disposed within each of the apertures formed in the platforms, the light sources operatively coupled to said
electrical power for generating light to illuminate said slider, the light sources being positioned to directly transmit light
to the sliders.

US Pat. No. 10,135,207

HIGH-SPEED DATA COMMUNICATIONS CONNECTOR

LEVITON MANUFACTURING CO....

1. A communication plug configured to be mated with a communication outlet, the communication outlet having a plurality of second contacts, the communication plug comprising:a plurality of first contacts configured to physically contact and form electrical connections with the plurality of second contacts; and
a substrate comprising a plurality of wire contacts and first, second, third, and fourth layers,
the first layer comprising a plurality of first conductors, the plurality of first conductors connecting a first portion of the plurality of first contacts with a first portion of the plurality of wire contacts,
the fourth layer comprising a plurality of second conductors, the plurality of second conductors connecting a second portion of the plurality of first contacts with a second portion of the plurality of wire contacts,
the second layer comprising a first plurality of capacitor plates electrically connected to first selected ones of the plurality of first contacts, and
the third layer comprising a second plurality of capacitor plates electrically connected to second selected ones of the plurality of first contacts, each of the first plurality of capacitor plates forming a capacitor with at least one of the second plurality of capacitor plates.

US Pat. No. 10,299,348

OCCUPANCY SENSOR WITH INTEGRAL EMERGENCY INTERFACE

Leviton Manufacturing Co....

1. An occupancy sensor coupled to a load for selectively energizing and de-energizing the load, the occupancy sensor comprising:a housing;
an occupancy sensing element located in the housing, the occupancy sensing element adapted and configured to sense an occupancy condition of a monitored space;
an emergency interface located within the housing, the emergency interface adapted and configured to couple an external control system to the occupancy sensor; and
a processor coupled to the emergency interface, the processor programmed to receive instructions from the external control system and, in response to said instructions, selectively energize and de-energize the load independent of the occupancy condition of the monitored space.

US Pat. No. 9,577,420

ARC FAULT CIRCUIT INTERRUPTER

Leviton Manufacturing Com...

1. An arc fault circuit interrupter, comprising:
a high-frequency sensor configured to detect high frequency components of a differential electrical current flow between a
phase conductive path and a neutral conductive path, wherein the high frequency sensor is configured to provide a first signal
representative of the high frequency components;

a current sensor configured to measure the electrical current flow and provide a second signal representative of the electrical
current measurement;

a processor including:
an input structure configured to receive a third signal representative of a filtered version of the first signal and a fourth
signal representative of a filtered version of the second signal;

logic configured to determine based on the third signal and the fourth signal that an arc fault has occurred; and
an output structure configured to generate a trigger signal; and
a reset lockout circuit configured to:
receive the trigger signal;
in response to the trigger signal, cause a circuit interrupt switch to open; and
prevent the circuit interrupt switch from closing until a reset signal is received from the processor.

US Pat. No. 9,709,626

SELF TESTING FAULT CIRCUIT APPARATUS AND METHOD

Leviton Manufacturing Com...

1. A process for self testing a fault circuit comprising:
a) disabling an actuator;
b) performing a self test by creating a simulated fault signal across at least a portion of a half cycle of a first polarity
and across at least a portion of a half cycle of a second polarity;

(c) controlling a duration of the self test based upon the presence of an external fault; and
(d) determining whether the self test was successful.

US Pat. No. 10,186,816

SUSPENDED CEILING MOUNTING BRACKET FOR CONNECTOR INSTALLATION

Leviton Manufacturing Co....

1. A system, comprising:a flat bracket comprising:
a port opening configured to receive and hold a connector,
two mounting holes configured to mount the bracket to a surface, wherein the two mounting holes are disposed along an edge of the flat bracket near a top corner of the flat bracket and a bottom corner of the flat bracket, respectively, and
a clip mounting hole configured to secure a clip to the flat bracket, wherein the clip is disposed along the edge of the flat bracket between the two mounting holes.

US Pat. No. 10,201,063

ADVANCED NETWORKED LIGHTING CONTROL SYSTEM INCLUDING IMPROVED SYSTEMS AND METHODS FOR AUTOMATED SELF-GROUPING OF LIGHTING FIXTURES

LEVITON MANUFACTURING CO....

1. A system for commissioning a network of lighting fixtures, comprising:a plurality of lighting fixtures, each of the plurality of lighting fixtures including:
a lighting element;
an identifier unique to each of said plurality of lighting fixtures;
a sensor module including a light sensing element; and
a network coordinator configured to discover, group and control a portion of the plurality of lighting fixtures by communicating with each of the plurality of lighting fixtures;
wherein the network coordinator includes a processor programmed to:
receive, via a communication module, respective messages sent from each of the plurality of lighting fixtures, each of the respective messages including the identifier associated with the respective lighting fixture;
determine a respective signal strength associated with each of said respective messages; and
rank each of the plurality of lighting fixtures according to the determined signal strength.

US Pat. No. 10,151,890

DATA COMMUNICATION PORT INSERT CONFIGURABLE WITH INDICIA TO CUSTOMIZE DATA COMMUNICATION STATION LABELING AND IDENTIFICATION

Leviton Manufacturing Co....

1. A data communication station comprising:a. a frame including a connectivity interface, the connectivity interface having an aperture formed therein;
b. a blank insert including a front facing surface and a retention feature on the front facing surface, the blank insert inserted in the aperture formed in the connectivity interface; and
c. an identification icon attached to the retention feature on the front facing surface of the blank insert, wherein the identification icon receives indicia thereon,
wherein the retention feature is an aperture formed in the front facing surface of the blank insert, and the identification icon is inserted into the aperture formed in the front facing surface of the blank insert.

US Pat. No. 10,210,068

DEVICE TOPOLOGY DEFINITION SYSTEM

Leviton Manufacturing Co....

1. A system, comprising:a first memory that stores executable components; and
a processor, operatively coupled to the first memory, that executes the executable components, the executable components comprising:
a device monitoring component configured to remotely monitor, via one or more networks, status information for one or more networked devices, the one or more networked devices comprising at least one patch panel sensor bar;
a location indicia detection component configured to remotely detect, via the one or more networks, that a location indicia device containing topological data has been inserted into a sensor port of a patch panel sensor bar of the at least one patch panel sensor bar; and
a topology data association component configured to, in response to detection by the location indicia detection component that the location indicia device has been inserted into the sensor port;
read, via the one or more networks, topological data from a second memory of the location indicia device,
read, via the one or more networks, a device identifier of the patch panel sensor bar from a third memory of the patch panel sensor bar, and
create an association between the topological data and the device identifier of the patch panel sensor bar,
wherein the topological data identifies a location within an organizational topology and comprises at least a rack unit identifier.

US Pat. No. 10,276,332

ACTUATOR ALTERNATING INDICATOR LIGHT

LEVITON MANUFACTURING CO....

1. An electrical load control device comprising:a. an actuator assembly comprising:
i. a frame;
ii. an ON/OFF actuator pivotally coupled to the frame and moveable between a first position and a second position, the first and second positions alternately defining ON and OFF states of an electrical load, and the actuator including first and second surfaces;
iii. a light pipe arranged within the actuator, the light pipe including a first leg and a second leg, the first leg extending towards the first surface of the actuator and the second leg extending towards the second surface of the actuator; and
b. a light source configured to illuminate when the electrical load is in at least one of the ON and the OFF state, wherein when the actuator is in the first position, the light source is optically aligned with one of the first and second legs of the light pipe, and wherein when the actuator is in the second position, the light source is optically aligned with the other of the first and second legs of the light pipe;
wherein when the light source is illuminated, the respective leg of the first and second leg of the light pipe directs a substantial portion of the light emitted from the light source to the respective first and second surface of the actuator; and
wherein the actuator is a toggle switch, and the first and second surfaces are first and second toggle shoulders, respectively.

US Pat. No. 10,317,431

MULTIPLE CORE TRANSFORMER ASSEMBLY

Leviton Manufacturing Co....

1. A circuit interrupting device comprising:a core assembly defining a longitudinal axis and including:
a grounded neutral transformer core;
a high frequency transformer core, the grounded neutral transformer core and the high frequency transformer core are stacked along the longitudinal axis; and
a differential transformer core disposed within both the grounded neutral transformer core and the high frequency transformer core.

US Pat. No. 10,274,148

ADJUSTMENT ASSEMBLY FOR A LIGHTING DEVICE

Leviton Manufacturing Co....

1. A lighting device, comprising:an adjustable collar for accommodating different ceiling thicknesses;
a plaster frame having an opening for receiving the adjustable collar;
at least one support arm coupled to the plaster frame adjacent the opening;
a support assembly; and
an adjustment assembly for coupling the at least one support arm to the support assembly to enable the support assembly and the adjustable collar to be selectively movable;
wherein the adjustment assembly has a first configuration in which the adjustable collar is movable, and a second configuration in which the support assembly and the adjustable collar are fixed to the at least one support arm so that a bottom end of the adjustable collar extends beyond a bottom surface of the plaster frame.

US Pat. No. 10,278,264

SYSTEM FOR PREVENTING EXCESSIVE CABLE HEATING IN POWER OVER ETHERNET-BASED LIGHTING SYSTEMS

Leviton Manufacturing Co....

1. A system for controlling operation of an LED lighting system, comprising:a Power over Ethernet (PoE) LED driver connectable to a PoE switch via a power and communication link, the PoE LED driver comprising a microcontroller for controlling an LED driver chip to operate an associated LED lighting fixture;
a voltage and current measurement unit coupled to the microcontroller, the voltage and current measurement unit for receiving power from the power and communication link, and for providing signals to the microcontroller, the provided signals representative of an input electrical parameter of the power and communication link;
wherein the microcontroller is programmed to:
compare the signals representative of the input electrical parameter against a predetermined value; and
command operation of the LED driver chip based on the comparison.

US Pat. No. 10,264,643

DUAL OVER-CURRENT PROTECTION FOR PHASE CUT DIMMER

Leviton Manufacturing Co....

1. A phase cut dimmer, comprising:a power circuit component having an output coupled to a load;
a power device drive circuit component configured to generate a drive pulse signal for controlling the power circuit component;
a first over-current protection circuit component configured to disable the drive pulse signal based on a sensed current provided by the power circuit component exceeding a first threshold; and
a second over-current protection circuit component configured to disable the drive pulse signal based on a time-averaged value of the sensed current exceeding a second threshold,
wherein the sensed current is available simultaneously to the first and second over-current protection circuit components.

US Pat. No. 10,262,826

SNAP FIT CIRCUIT BREAKER AND LOAD CENTER SYSTEM

Leviton Manufacturing Co....

1. A circuit breaker, comprising:a housing having a longitudinal axis, top and bottom surfaces, and first and second ends, the housing further comprising a plurality of electrical connections for coupling line and load electrical connections of a load center to the circuit breaker, the plurality of electrical connections including:
a load phase electrical connection and a load neutral electrical connection disposed adjacent the second end of the housing; and
a line neutral electrical connection and a line phase electrical connection disposed adjacent the bottom surface of the housing, the line phase electrical connection positioned adjacent the first end and the line neutral electrical connection disposed between the first and second ends;
the housing further comprising one or more hook members disposed on the second end of the housing, the one or more hook members each having a hook axis oriented perpendicular to a longitudinal axis of the housing;
wherein the one or more hook members are configured to engage one or more ribs of the load center so that the circuit breaker is rotatable about the hook axis to align and engage the plurality of circuit breaker electrical connections with a plurality of electrical connections associated with the load center.

US Pat. No. 10,048,653

WALL MOUNTED PROGRAMMABLE TIMER SYSTEM

Leviton Manufacturing Com...

1. A method for wirelessly programming a timer, the method comprising:determining, by a controller of a timer, a number of available settings of the timer;
receiving input, by a wireless device, regarding parameters for at least one of the available settings;
transmitting, by the wireless device, the parameters to the timer; and
configuring, by the controller of the timer, at least one of the available settings based on the parameters,
wherein the parameters are customizable by a user of the wireless device such that the user of the wireless device can adjust magnitudes of the available settings.

US Pat. No. 10,433,455

WIRING DEVICE WITH HEAT REMOVAL SYSTEM

Leviton Manufacturing Co....

1. An in-wall electrical outlet comprising:a housing arranged and configured to be received within a single gang wall box located in a wall or ceiling, the housing including at least one of a line voltage port and a low voltage port for providing power to a removable load, the housing having an intake opening in a first surface thereof for directing cooling air into an internal portion of the housing, the housing having an exhaust opening in a second surface thereof for exhausting heated air from the internal portion of the housing,
a strap to fasten the housing to the single gang wall;
a fan disposed within the housing, the fan operable to draw the cooling air in through the intake opening and to exhaust the heated air through the exhaust opening;
a thermal load disposed within the housing, the thermal load positioned to receive the cooling air to reduce a temperature of the thermal load;
a temperature sensor for determining a sensed temperature of the internal portion of the housing;
a microcontroller logic circuit for energizing the fan based on the sensed temperature of the internal portion of the housing; and
a safety shut off to reduce or disconnect power to the low voltage port if the fan is determined to have failed;
wherein the microcontroller logic circuit energizes the fan when the sensed temperature of the internal portion of the housing is determined to exceed a first predetermined threshold; and
wherein the microcontroller logic circuit determines the fan has failed when the sensed temperature exceeds the first predetermined threshold by a predetermined value and controls the safety shut off to reduce or disconnect power to the low voltage port.

US Pat. No. 10,295,773

SEGREGATED FIBER IN A SPLICE CASSETTE

Leviton Manufacturing Co....

1. A fiber optic cassette, comprising:one or more splice holders configured to hold fiber optic splices that connect first ends of incoming optical fibers to second ends of patching fibers;
a first winding area comprising a first winding structure configured to hold first excess lengths of the incoming optical fibers;
a second winding area comprising a second winding structure configured to hold second excess lengths of the patching fibers; and
a dividing wall that curves around the first winding area and the second winding area, wherein at least a portion of the dividing wall is between the first winding structure and the second winding structure, and the dividing wall prevents the incoming optical fibers from crossing the patching fibers.

US Pat. No. 10,401,413

GROUND FAULT DETECTOR

Leviton Manufacturing Com...

1. An apparatus, comprising:an interruption circuit electrically connected in a power delivery path, the power delivery path including a phase conductive path and a neutral conductive path;
a fault detection circuit coupled to the interruption circuit and configured to provide a fault signal to selectively cause the interruption circuit to interrupt power delivery in at least one of the phase conductive path and the neutral conductive path;
a fault simulation circuit; and
a processor coupled to the fault simulation circuit and the fault detection circuit, the processor configured to selectively control the fault simulation circuit to simulate a fault in the power delivery path and detect a response of the fault detection circuit to the simulated fault; and
a power circuit including a solenoid coil, a rectifier, and a first resistor in parallel with the solenoid coil, wherein the processor and the fault detection circuit are powered from a line side of the power delivery path via the solenoid coil and rectifier, and the resistor is sized such that, if the solenoid coil is damaged, the resistor will not allow sufficient power for proper operation of both the processor and the fault detection circuit.

US Pat. No. 10,396,541

PROCESSOR-BASED CIRCUIT INTERRUPTING DEVICES

LEVITON MANUFACTURING CO....

1. A fault circuit interrupting device for selectively coupling a power source to a load, the fault circuit interrupting device comprising:a fault sensor configured to output a sensor signal;
a voltage sensor configured to output a reference voltage signal, wherein a characteristic of the reference voltage signal is indicative of noise on the power source; and
a controller configured to determine an occurrence of an actual fault based on the sensor signal and the noise on the power source.

US Pat. No. 10,371,902

DATA COMMUNICATION PORT INSERT CONFIGURABLE WITH INDICIA TO CUSTOMIZE DATA COMMUNICATION STATION LABELING AND IDENTIFICATION

Leviton Manufacturing Co....

1. A connectivity interface having a first aperture formed therein for receiving a blank insert, the blank insert comprising:a. a front facing surface including a second aperture formed therein;
b. an identification icon inserted in the second aperture formed in the front facing surface to retain the identification icon, wherein the identification icon receives indicia thereon; and
c. a second identification icon, wherein the front facing surface includes a third aperture formed therein, wherein the second identification icon is inserted in the third aperture to retain the identification icon, and wherein the second identification icon receives indicia thereon.

US Pat. No. 10,367,347

ARC FAULT CIRCUIT INTERRUPTER

Leviton Manufacturing Com...

1. A circuit interrupter, comprising:a first conductive path and a second conductive path;
a first arc fault detection circuit including a low frequency sensor, wherein the first conductive path passes through the low frequency sensor, the low frequency sensor including a first coil;
a second arc fault detection circuit including a high frequency sensor wherein the first and second conductive paths pass through the high frequency sensor and the high frequency sensor is configured to sense a difference in magnitude of currents respectively flowing in the first and second conductive paths, the high frequency sensor including a second coil and a third coil; and
a test block configured to perform a test of the high frequency sensor, the test block including:
a current supply configured to provide flow of a test current through the third coil;
a measuring circuit configured to measure a current flowing through the second coil;
logic configured to determine, based on the current flowing through the second coil, that the test current was detected by the second coil; and
an indicator configured to indicate a result of the test.

US Pat. No. 10,433,031

STACKABLE WALL MOUNT ENCLOSURE

LEVITON MANUFACTURING CO....

1. A telecommunications enclosure comprising:a chassis defining an interior having an opening, the chassis comprising a first through-hole and a grommet receiving opening, the first through-hole being configured to have at least one patching panel installed therein;
a door hingedly attached to the chassis, a different enclosure like the telecommunications enclosure being mountable on the door, the door being rotatable relative to the chassis between closed and open positions when the different enclosure is mounted thereto, the door blocking the opening when the door is in the closed position, the door allowing access to the interior through the opening when the door is in the open position;
a second through-hole formed in at least one of the chassis and the door, the second through-hole being configured to allow a telecommunications cable connected to the at least one patching panel to pass therethrough and exit the interior of the chassis; and
at least one fastener assembly configured to releasably lock the door in the closed position, the at least one fastener assembly comprising a grommet portion and a plunger portion, the grommet portion being installed on the door and moving therewith as a unit, the grommet receiving opening being configured to receive the grommet portion when the door in the closed position, the plunger portion being configured to be received by the grommet portion, the plunger portion being transitionable with respect to the grommet portion between a locked position and an unlocked position, the plunger portion locking the grommet portion inside the grommet receiving opening to thereby lock the door in the closed position when the plunger portion is in the locked position and the door in the closed position, the grommet portion not being locked inside the grommet receiving opening when the plunger portion is in the unlocked position, the plunger portion comprising a free distal end configured to extend into a different chassis of the different enclosure when the different enclosure is mounted on the door.

US Pat. No. 10,431,922

PIN AND SLEEVE DEVICE WITH CONTACT CARRIER FOR CAPTURING SET SCREWS

Leviton Manufacturing Co....

1. A pin and sleeve device, comprising:a housing; and
a contact carrier within the housing, the contact carrier including a plurality of contact openings each receiving a terminal, the contact carrier further including a tool opening extending between an outer perimeter and a first contact opening of the plurality of contact openings; and
a set screw positioned within the first contact opening of the plurality of contact openings, the set screw including a plurality of threads extending between a first end and a second end, the first end being operable to engage the terminal, the second end including a tool drive aligned with the tool opening, the set screw positioned directly adjacent a retainment wall defining a portion of the first contact opening of the plurality of contact openings, the retainment wall operable to prevent the set screw from passing through the tool opening;
wherein:
the contact carrier further includes a screw retainer defining a screw access channel aligned with the tool opening, the screw retainer including a contoured surface extending from the retainment wall, wherein the set screw is supported by the contoured surface; and
the terminal is a box terminal of a contact sleeve, the box terminal positioned within the first contact opening of the plurality of contact openings.