UL & cUL Listed Industrial 3-prongs Electric Range , Stove, Oven 10-50 extension cord 50 AMP 250 Volt. STW 6AWG/3C stranded wire cable with outdoor PVC jacket, support max 50 AMP loading, Max Rate 12500 Watt (250V). Pins and terminals are made with nickel-plated brass to prevent oxidation rust. Heavy-duty for Welder, 100% copper conductor inside. Universal to All Other Brands 10-50 3-pole plug of equipment. Length: 3, 20, 36, 50 FT (Feet). Color: Black