Straight Blade Receptacles: Type - Single; Rating - Amps - 30A; Rating - Volts - 125V; Number of Poles - 2P; Number of Wires - 3W; Ground - Grounding; NEMA - 5-30R; Mounting - Flush; Material - Thermoplastic; Color - Black; Face OD - 2.11"; Mounting Depth - 1.77"