Leviton 26CM-20 30 Amp, 250 Volt, Flush Mounting Locking Receptacle, Industrial Grade, Grounding, Corrosion Resistant, Yellow Engineered to IP 64 and NEMA 3R Protection Ratings Suitable for Industrial Indoor and Outdoor Use Gray, Glass-Filled Thermoplastic Cover and White, Nylon Device Dual Gaskets, One Under Plate and One Under Lid, for Weather-Resistant Fit Stainless Steel External Hardware Resists Corrosive Effects of Moisture