Pin and Sleeve Plug, Type Reverse Service, Compressor, Generator, Pump, Welder, Clamping Ring, Constructional Feature Weatherproof, Voltage Rating 600 VAC, 250 VDC, Current Rating 100 Ampere, Number of Poles 4, Number of Wires 4, Grounding Style 1, Shell, Minimum Cable Outer Diameter 0.875 Inch, Maximum Cable Outer Diameter 1.75 Inch, Material Epoxy Powder Coated Copper-Free Aluminum, Approval UL 1682/1689, Contact Material Brass, InsulationBlock Material FiberGlassReinforcedPhenolic, Application Compressor, Generator Unit, Pump, Shipping Docks, Shipping Ports, Welding