Ground Continuity Monitoring Locking Connector, Connection Orientation Straight, Current Rating 30 A, Housing Color Black, White, Housing Material Nylon, IP Rating Not Rated, NEMA Receptacle Configuration L14-30R, Number of Poles 3, Number of Wires 4, Phase Three, Resistance Properties , Impact , Shrouded No, Voltage Rating 125/250V AC, Wiring Style Standard, Contact Material Brass, For Maximum Cable Diameter 1.15 in, For Minimum Cable Diameter 0.225 in