1. A system comprising:a sub-chassis comprising an electrically-conductive sub-chassis frame;
a drawer frame being electrically conductive and mechanically coupled to the sub-chassis;
a first power supply fixedly coupled relative to the sub-chassis and comprising a first terminal and a second terminal, the first power supply configured to drive a current via the first and second terminals to provide electrical power to an active device disposed in the drawer frame; and
a first power cable being electrically coupled to the first terminal of the first power supply via the sub-chassis frame and being electrically coupled to the active device via the drawer frame.