Wiring Device-Kellems Pin and Sleeve Receptacle, 1/3-Phase Flanged Grounding Non-NEMA Single Reversed Standard Watertight Screw Mount, 600 VAC, 30 A, 3 Pole, 4 Wires, Industrial Grade, -40 to 75 deg C, Pressure Screw Terminal, Thermoplastic, Black/Gray, 3.19 in D x 3.89 in H