Straight Blade Receptacles: Type - Single Locking; Rating - Amps - 20A; Rating - Volts - 125/250V; Number of Poles - 3P; Number of Wires - 4W; Ground - Grounding; NEMA - L14-20R; Mounting - Flush; Material - Nylon Face; Color - Black; Face OD - 1.56 in; Manufacturer Brand - Twist-Lock