Powertite Grounding Style 2 Receptacle, Number Of Poles: 4, Number Of Wires: 3, Wire Size: 4 - 1 AWG (Building), 4 - 2 AWG (Extra Flex), Amperage Rating: 100 AMP, Voltage Rating: 600 VAC At 50 - 400 HZ, 250 VDC, Phase: 3 PH, Material: Cop