Flanged Power Inlets and Outlets: Type - Locking Flanged Outlet; Rating - Amps - 20A; Rating - Volts - 480V 3 Phase; Number of Poles - 3P; Number of Wires - 4W; Ground - Grounding; NEMA - L16-20R; Material - Thermoplastic; Color - Gray; Manufacturer Brand - Turnlok