Wiring Device-Kellems Straight Blade Plug, 3-Phase Heavy Duty Male Non-Grounding Cord Mount, 120/208 VAC, 60 A, 7.5 hp, 4 Pole, 4 Wires, 18-60P NEMA Rating, Commercial/Industrial Grade, IP20 Enclosure, 0.625 to 1.31 in Diameter Cord, -40 to 75 deg C, Screw Terminal, Nylon, Black, 4.13 x 2.88 x 2.88 in