Locking Connector, Connection Orientation Straight, Current Rating 30 A, Housing Color Black, White, Housing Material Nylon, IP Rating IP20, NEMA Receptacle Configuration L21-30R, Number of Poles 4, Number of Wires 5, Phase Three, Resistance Properties Impact , Shrouded No, Voltage Rating 120/208V AC, Wire Connection Type Spring Clamp Terminals, Wiring Style Standard, Cap Type No Cap or Cover, Grade Federal Specification, Grounding Grounded, Market Industrial, Midget Locking No