Straight Blade Receptacles: Type - Single Locking; Rating - Amps - 20A; Rating - Volts - 480V 3 Phase; Number of Poles - 3P; Number of Wires - 3W; Ground - Non-Grounding; NEMA - L12-20R; Mounting - Flush; Material - Nylon; Color - Black; Face OD - 1.55 in; Manufacturer Brand - Turnlok