Pin and Sleeve Receptacle, Constructional Feature Weatherproof, Raintight, Voltage Rating 600 VAC/250 VDC, Current Rating 100 Ampere, Number of Poles 4, Number of Wires 3, Grounding Style 2, Shell, Extra Pole, Door Type Screw Cap, Material Epoxy Powder Coated Copper-Free Aluminum, Grade Shipping, Approval UL1682/1686, Wire Size 3 to 1 AWG, Spring Material Brass with Beryllium Copper