Straight Blade Receptacles: Type - Single; Rating - Amps - 50A; Rating - Volts - 125/250V; Number of Poles - 3P; Number of Wires - 3W; Ground - Non-Grounding; NEMA - 10-50R; Mounting - Flush; Material - Urea; Color - Black; Face OD - 2.12"; Mounting Depth - 1.61"