Leviton, 2711, Locking Plug, 3-Phase Grounding Cable Mount, 125/250 V AC, 30 A, 2 hp, 3 Pole, 4 Wires, NEMA L14-30P NEMA Rating, Industrial Grade, 0.595 to 1.15 in Diameter Cord, -40 to 60 deg C, Screw Terminal, Nylon, Black/White, 2.22 in Dia x 2.7 in L Dimensions