Parkworld 885989 Welding Adapter cord L6-30 Plug 3-Prong 30A Locking Male to Dryer 14-30 Receptacle 30 AMP Female (Only For 125V, Two Hots pole bridged in female) - Walmart.com
14-50P 4-Prong 50A Stove Plug to a 6-50R 50A 3-Prong Receptacle for Welder - Walmart.com