Leviton 5206 50 Amp, 125/250 Volt, NEMA 10-50R, 3P, 3W, Flush Mounting Receptacle, Straight Blade, Industrial Grade, Non-Grounding, Side Wired, Steel Strap, Black Fits all wallplates with 2.15" diameter center hole Terminals marked for easy identification and fast wiring All mounting hardware included Flush-mount devices fit single or two-gang outlet boxes Easy-to-wire terminals accept up to No. 4 AWG conductors