Feature125/250 Volt, 3 Pole, 4 Wire, 50 Amp Surface mount Nema 14-50 receptacle. MaterialImpact-resistant themoplastic cover for long service life. Heavy galvanized steel and mounting strap to resist corrosion. High quality, industrial grade. Easy InstallationSurface mount 14-50 outlet with knockouts on the back and bottom, allowing wiring, accept up to #4 AWG. ApplicationIdeal for any high amperage residential and commercial power connectivity application, EV RV oven stove and range receptacle. UL listedDesigned and tested in accordance with UL requirement.