Hubbell Wiring Device-Kellems, HBL420P7W, Pin and Sleeve Plug, 3-Phase Grounding Male Non-NEMA Portable Standard Watertight Cord Mount, 480 V AC, 20 A, 3 Pole, 4 Wires, Industrial Grade, IP67 Enclosure, -40 to 75 deg C, Pressure Screw Terminal, Composite, Red, 3.19 in Dia x 7 in L Dimensions