Receptacle, With Neutral, Ground, Horsepower Rating 5 HP at 480 V, Short Circuit Rating 100 KAMP, Standard: UL, CSA, NOM, IEC, CE, NFPA 70E, Number Of Poles: 3, Number Of Wires: 5, Wire Size: 14 to 12AWG, Amperage Rating: 20AMP, Voltage Rating: 277/480V,