Welder Adapter NEMA 10-30P, 30 Amp, 125/250 Volt NEMA 6-50R, 50 Amp, 250 Volt Escort your welding! PLUG : Dryer 10-30P 125V/250V 30A molded 3 prong plug; Welder NEMA 6-50R 250V 50A molded female receptacle. POWER CORD: The conductor is 10AWG x 3C all-copper wires, STW Jacket have features excellent abrasion. SUPERIOR DURABILITY: 100% copper wiring coated, flame retardant, UV-resistant, suitable for outdoor use. UNIVERSAL COMPATIBILITY: This 3 prong dryer to welder adapter is with most welders on the market. BEAWARE: Please choose the correct plug style according to actual needs. If you have any questions, feel to .