Locking Receptacle, Shrouded / Non-Shrouded Non-Shrouded, Wiring Style Standard, Mounting Type Flush Mount, Grade Industrial, Material Nylon, 30 Amps, Voltage 120/208V AC, Number of Poles 4, Number of Wires 5, Color Black, L21-30R NEMA Configuration, NEMA Rating 1, IP Rating 20, Phase 3, HP 3.0, Standards UL/CSA, Special Features Corrosion Resistant