Leviton 5462-IG 20 Amp, 250 Volt, Industrial Heavy Duty Grade, Duplex Receptacle, Straight Blade, Isolated Ground, Orange Impact-Resistant Thermoplastic Nylon Face and Body Smooth Face Does not Collect Dirt Large, Triple-Wipe Brass "T" Contacts for Superior Contact and Conductivity Back and Side-Wiring Options Backed by a Limited Ten Year Warranty