Straight Blade Receptacles: Type - Single Locking; Rating - Amps - 30A; Rating - Volts - 480V 3 Phase; Number of Poles - 3P; Number of Wires - 4W; Ground - Grounding; NEMA - L16-30R; Mounting - Flush; Material - Nylon; Color - Black; Face OD - 1.56 in; Manufacturer Brand - Turnlok