How to wire a 220 Cord-Plug-Outlet for Welder - Electric Motor - Machine - YouTube
6-30P Male 3-Pin Welder Plug to 6-50R Female Socket Receptacle Outlet Electric Power Cord Cable Miller Lincoln Hobart Adapter/Converter NEMA FX502 - Amazon.com
S7 220 Adapter Plug, 20Inch 10-30P to 6-50R Heavy Duty 30 Amp(Dryer Male) Plug to 50 Amp (Welder) Socket Adapter Cable, Adapter Cord 30A Dryer 10-30P to Welder 6-50R 50A, Welding Adapter