Amazon.com: YOMILINK 25 Feet 30 Amp RV Power Cord with Locking Connector, TT-30P to L5-30R, Heavy Duty 10 Gauge 3 Wire STW Pure Copper Wire for RV Trailer Campers, with Cord Organizer,
What wire gauge should I use with a 30 amp breaker for a 220V welder? - Quora