Pin and Sleeve Plug, Type Reverse Service, Compressor, Generator, Pump, Welder, Clamping Ring, Constructional Feature Weatherproof, Water Resistant, Voltage Rating 600 VAC at 50 to 400 Hz, 250 VDC, Current Rating 100 Ampere, Number of Poles 3, Number of Wires 2, Grounding Style 2, Shell, Extra Pole, Minimum Cable Outer Diameter 0.875 Inch, Maximum Cable Outer Diameter 1.906 Inch, Material Epoxy Powder Coated Copper-Free Aluminum, Approval UL 1682/1689/50E, CSA C22.2, Contact Material Brass, Application Compressor, Generator Unit, Pump, Shipping Docks, Shipping Ports, Welding