Flanged Locking Inlet Current Rating 20 A Housing Color White IP Rating IP20 Mount Type Flush NEMA Enclosure Rating 12 4X NEMA Plug Configuration L21-20P Number of Blades 5 Number of Poles 4 Phase Three Voltage Rating 120/208V AC Wiring Style Standard Flange Type Flanged Grounding Grounded Horsepower Rating 2 hp Housing Material Nylon Includes Mounting Hardware Yes Maximum Wire Size 8 AWG Minimum Wire Size 16 AWG