Leviton, 2733, Locking Connector, 3-Phase Grounding Cable Mount, 480 V AC, 30 A, 10 hp, 3 Pole, 4 Wires, NEMA L16-30R 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 3.78 in L Dimensions