Locking Plug, Connection Orientation Straight, Current Rating 50 A, Housing Color Black, Housing Material Composite, NEMA Plug Configuration Non-NEMA, Number of Blades 4, Number of Poles 3, Phase Single, Three, Polarized Yes, Resistance Properties , Impact , Voltage Rating 250V DC/600V AC, Wire Connection Type Screw Terminals, Wiring Style Standard, For Maximum Cable Diameter 1.25 in, For Minimum Cable Diameter 0.83 in, Grade Industrial, IP Rating IP20