Shop Nilight EV Charger Adapter Cord 50 Amp to 50 Amp 4 Prong Pure Copper 250V Welder Outlet to EV Plug Conversion Heavy Duty 10 Gauge Wire 6-50P to 14-50R 50M/50F in high quality, support 2 Years Warranty. Allows you to charge Your EV at the garage or home with 3-prong welder outlet. The NEMA 6-50P 3 prong plug is compatible with the welder outlet, please check if the receptacle is NEMA 6-50R. Note: This item is 250V 50 Amp, and cannot transform to 120V. NOT FOR RV. The plug is 6-50P instead of 5-15P.