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 L21-20R, Number of Gangs 1, Number of Poles 4, Number of Wires 5, Phase Three, Polarized Yes, Shrouded No, Voltage Rating 120/208V AC, AFCI No, Contact Material Brass, Cover Type No Cover, Face Diameter 1.563 in, Face Plate Height 2.77 in, Face Plate Width 1.7 in