Cable Matters 3-Pack 15A 125V 3 Prong Replacement Plug, UL Listed (2 Pole 3 Wire NEMA 5-15P Straight Blade Electrical Plug) in Brown - Walmart.com
parkworld 1 ft. 12/3 3-Wire 30 Amp 125/250-Volt 4-Prong Locking NEMA L14-30P Plug to 20 Amp 250-Volt 6-20R Receptacle Adapter Cord 885101 - The Home Depot
Fyydes Tail Light Converter,2-to-3 Wire Converter,2-to-3 Wire Splice Trailer Converter Electrical System Wire Harness Adapter US Type - Walmart.com
parkworld 2 ft. 12/3 3-Wire Household 15 Amp 125-Volt 3-Prong Plug NEMA 5-15P to Generator 3-Prong Locking L14-30R Adapter Cord 886726 - The Home Depot
2-to-3 Wire Splice Trailer Converter Electrical System Wire Harness Adapter US Type Protective Frames Car Protector ABS - AliExpress
Tail Light Converter- Converts 3-Wire Systems To 2-Wire