Conntek PL1430650 Welder Adaper Generator L14-30 Plug( 4 Prong 30Amp) to NEMA 6-50R 50 Amp 250-volt Adapter Cord - Walmart.com
Amazon.com: L6-30P MALE TWIST LOCK 3-PIN GENERATOR PLUG to TT-30R 3-PRONG FEMALE RECEPTACLE NEMA 220-250V INPUT 110-125V OUTPUT RV Camper Power Cord Adapter : Tools & Home Improvement
AC WORKS 1.5 ft. Welder Adaper Generator L14-30 Plug (4-Prong 30 Amp) to NEMA 6-50R 50 Amp 250-Volt Adapter Cord L1430650-018 - The Home Depot
AC WORKS 1ft NEMA 6-50P to NEMA 6-20R with Breaker 20-Amp 3-wire Grounding Single To Single Orange Basic Flexible Adapter in the Adapters & Splitters department at Lowes.com
1.5FT 30A 4-Prong L14-30P Locking Plug to 6-15/20 Outlet W/ 20A Breaker – AC Connectors