Wiring Device-Kellems Pin and Sleeve Connector, Female Insulated Watertight Cord Mount, 600 VAC/250 VDC, 60 A, 3 Pole, 4 Wires, 3/4/4X NEMA Rating, -40 to 75 deg C, Pressure Screw Terminal, Composite, Black/Gray, 3.8 in Dia x 10.1 in L