Locking Receptacle Connection Orientation Straight Current Rating 20 A Flange Type Non-Flanged Housing Color Black Housing Material Nylon Mount Type Flush NEMA Enclosure Rating 1 NEMA Receptacle Configuration L22-20R Number of Gangs 1 Number of Poles 4 Number of Wires 5 Phase Three Polarized Yes Shrouded No Voltage Rating 277/480V AC Wire Connection Type Screw Terminals Wiring Style Standard AFCI No Contact Material Brass Cover Type No Cover Flange Diameter Not Applicable