Locking Connector, Connection Orientation Straight, Current Rating 20 A, Housing Color Black, White, Housing Material Nylon, IP Rating IP20, NEMA Receptacle Configuration L16-20R, Number of Poles 3, Number of Wires 4, Phase Three, Polarized Yes, Resistance Properties Chemical Resistant, Impact Resistant, Shrouded No, Voltage Rating 480V AC, Wire Connection Type Screw Terminals, Wiring Style Standard, Cap Type No Cap or Cover, Grade Industrial, Grounding Grounded, Horsepower Rating 5 hp