Pin and Sleeve Plug Current Rating 20 A Hazardous Location Specification Class I Div 1 and 2 Group C D Horsepower Rating 1 hp Housing Color Gray Number of Poles 3 Number of Wires 2 Phase Single Voltage Rating 125 to 250V AC Cap Type No Cap or Cover Connection Orientation Straight Face Diameter 1.56 in For Maximum Cable Diameter 0.639 in For Minimum Cable Diameter 0.538 in Grounding Grounded Housing Material Copper-Free Aluminum Outside Diameter 1.86 in Reverse Service No