Locking Receptacle, Current Rating 50 A, Housing Color Black, Housing Material Composite, Mount Type Flush, NEMA Enclosure Rating Not Rated, NEMA Receptacle Configuration Non-NEMA, Number of Poles 3, Number of Wires 4, Phase Three, Polarized Yes, Shrouded No, Voltage Rating 250V DC/600V AC, Wire Connection Type Screw Terminals, Wiring Style Standard, Grade Industrial, Grounding Grounded