Locking Plug, Connection Orientation Straight, Current Rating 20/30 A, Housing Color Black, White, Housing Material Nylon, NEMA Plug Configuration Non-NEMA, Number of Blades 5, Number of Poles 4, Phase Three, Polarized Yes, Resistance Properties , Impact , Voltage Rating 250V DC/600V AC, Wire Connection Type Screw Terminals, Wiring Style Standard, For Maximum Cable Diameter 1.2 in, For Minimum Cable Diameter 0.7 in, Grade Industrial, Grounding Grounded, IP Rating IP30