NEMA 6-50R to L14-30P adapter cable for generator, 220V – KickingHorse® Welder USA
NEMA 14-50P to 14-30R Compact 120V/240V 50 Amp 4 Prong Male Plug to 30 Amp Female Receptacle RV Generator Welder Dryer EV Charger Power Cord Adapter : Amazon.ca: Tools & Home Improvement