Plug, Current Rating 100 A, Hazardous Location Specification Class I, Div 1 and 2, Group B, C, D, Class II, Div 1 and 2, Group F, G, Class III, Div 1 and 2, Horsepower Rating 75 hp, Housing Color Gray, Number of Poles 4, Number of Wires 3, Phase Three, Voltage Rating 600V AC, Cap Type Screw-On Cap, Connection Orientation Straight, Face Diameter 2.47 in, For Maximum Cable Diameter 1.906 in, For Minimum Cable Diameter 0.875 in, Grounding Grounded, Grounding Style Style 2