1. A cargo loading system, comprising:a power drive unit (PDU) including a housing; and
a potted printed circuit board module, comprising:
an enclosure coupled to the housing;
a printed circuit board assembly disposed in the enclosure, the printed circuit board assembly comprising a plurality of electrical components in electrical communication with the PDU;
a dielectric sheet disposed adjacent to the enclosure, the enclosure and the dielectric sheet defining a cavity; and
a potting component disposed in the cavity.