Locking Plug, Industrial, NEMA Configuration L17-30P, Number of Poles 3, Number of Wires 4, Amps 30, Voltage 600, Phase Three, Body Material EPTR Rubber, Housing Material Thermoplastic, Color Yellow, NEMA Rating 3, 3S, 4, 4X, 6, 6P, Cord Dia. .655-.785 In., Standards UL/CSA/NOM Watertight Wetguard DevicesCorrosion-resistant and suitable for dust-laden, damp, or wet (IP66) environments, including temporary submersion (IP67). UL Listed, CSA and NOM Certified. Devices are IP66/IP67, UL Type (NEMA) 3, 3S, 4, 4X, 6, and 6P. Devices and caps are made of UV-resistant ethylene propylene thermoplastic rubber. FD boxes are glass-filled polyester. Covers are Valox PBT with stainless steel hardware. 007847796904