Plug Current Rating 30 A Horsepower Rating 30 hp Housing Color Gray Number of Poles 2 Number of Wires 2 Phase Single Voltage Rating 250V DC 600V AC Wire Connection Type Wire Leads Cap Type Screw-On Cap Connection Orientation Straight Face Diameter 1.86 in For Maximum Cable Diameter 1.125 in For Minimum Cable Diameter 0.5 in Grounding Grounded Grounding Style Style 1 Housing Material Copper-Free Aluminum Maximum Wire Size 8 AWG Minimum Wire Size 10 AWG