Locking Device Plug, 50 A, 125/250 V Ac, 3 Poles, 4 Wires, Black/White, -40 °C Operating Temperature, +75 °C Operating Temperature, Screw Terminal, 2.563 In Diameter, Cord Mounted, 6.375 In Length, #8 to #4 Awg (Stranded Copper) Wire Size, Impact and Heat Resistant, 1.25 LB