Pin and Sleeve Plug, Type Compressor, Generator, Pump, Welder, Clamping Ring, Constructional Feature Weatherproof, Voltage Rating 600 VAC, 250 VDC, Current Rating 30 Ampere, Number of Poles 3, Number of Wires 2, Grounding Style 2, Shell, Extra Pole, Minimum Cable Outer Diameter 0.625 Inch, Maximum Cable Outer Diameter 0.75 Inch, Material Epoxy Powder Coated Copper-Free Aluminum, Approval UL 1682/1689, Contact Material Brass, InsulationG+ç+¬Block Material FiberG+ç+¬GlassG+ç+¬ReinforcedG+ç+¬Phenolic, Application Compressor, Generator Unit, Pump, Shipping Docks, Shipping Ports, Welding