Locking Device Turnlock Plug, 30 A, 480 V, 3 Poles, 3 Wires, Black/White, ThermoPlastic, -40 °C Operating Temperature, +75 °C Operating Temperature, 2.20 in;0.225 to 1.150 in (Cord) Diameter, 3.75 in Length, #18 to #8 AWG Wire Size, Impact and Corrosion Resistant, 0.35 lb