Leviton 66W47 20A, 125 Volt, NEMA L5-20, 2P, 3W, Single Locking Inlet, IP66 Cover, Industrial Grade, Grounding, Corrosion Resistant, Wetguard, Yellow Impact and chemical resistant Valox PBT cover and lid provide extended life in abusive environments Spring-loaded flip lid cover ensures a watertight seal when the cover is closed Dual-hasp provides additional lockout/tagout option for added security Electro less nickel-coated brass blades, contacts, wiring screws and wiring clamps resist corrosion Stainless steel mounting and assembly screws provide corrosion resistance; triple-drive head facilitates proper tightening