Locking Receptacle Connection Orientation Straight Current Rating 20 A Flange Type Non-Flanged Housing Color Gray Housing Material Valox Mount Type Surface NEMA Enclosure Rating 1 NEMA Receptacle Configuration L21-20R Number of Gangs 1 Number of Poles 4 Number of Wires 5 Phase Three Polarized Yes Shrouded Yes Voltage Rating 120/208V AC Wire Connection Type Screw Terminals Wiring Style Standard AFCI No Contact Material Brass Cover Type No Cover Flange Diameter Not Applicable