The present disclosure provides an electrical power supply structure comprising a plurality of conductors, each conductor extending longitudinally and configured to carry high amperage electrical power, a barrier support plate comprising one or more openings for receiving the plurality of conductors, a first support structure extending longitudinally from a first side of the barrier support plate, and a second support structure extending longitudinally from a second side of the barrier support plate. Each of the first and second support structures comprises a longitudinally extending enclosure having a plurality of transversely extending conductor support members for supporting the plurality of conductors.