Quality: The body is made of durable thermoplastic material and is also high-impact resistant 14-30r, UL/CUL Listed, Industrial Grade, Straight Blade, Grounding, Zinc-Plated Steel Strap for corrosion resistance, White Outlet Specifications: 125V/250V, 30 Amp, works safely with with Electrical Clothing Dryers Wiring: 4 wire grounding device (Hot, Hot, Neutral, Ground), 125/ 250V 30Amp rating. Only accepts 10, 8, 6, and 4 gauge (AWG) Copper Wires Easy installation: Fits in BOTH single and 2-Gang box styles, terminals marked for easy identification and fast wiring, all mounting hardware included. 1-year warranty.