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 30 Ampere, Number of Poles 2, Number of Wires 2, Grounding Style 1, Shell, Minimum Cable Outer Diameter 0.5 Inch, Maximum Cable Outer Diameter 1.25 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