Hubbell Wiring Device-Kellems, HBL420C7W, Pin and Sleeve Connector, Female Heavy Duty Insulated Standard Watertight Cord Mount, 480 V AC, 20 A, 3 Pole, 4 Wires, 4X NEMA Rating, Industrial Grade, IP67 Enclosure, -40 to 75 deg C, Pressure Screw Terminal, Composite, Red, 7.9 in L x 3.66 in H Dimensions