Watertight Locking Receptacle, Connection Orientation Straight, Current Rating 20 A, Flange Shape Rectangular, Flange Type Flanged, Housing Color Yellow, Housing Material Elastomer, Mount Type Flush, NEMA Enclosure Rating 12, 4, 4X, 6, 6P, NEMA Receptacle Configuration L7-20R, Number of Gangs 1, Number of Poles 2, Number of Wires 3, Phase Single, Polarized Yes, Shrouded No, Voltage Rating 277V AC, Wire Connection Type Screw Terminals, Wiring Style Standard, AFCI No