Amazon.com: AOWEITOUR 30 Amp to 50 Amp RV Generator Adapter Cord, NEMA L5-30P Twist Lock Male Plug to NEMA 14-50R Female, Outdoor Ower Equipment Suitable for RV Trailer Camper, Heavy Duty STW
RV Dual 30 Amp Plug to 50 Amp Generator Y Adapter - RecPro
4 Prong Generator Cord, Electrical Power Dogbone with Grip Handle – aoweitour
parkworld Generator 30 Amp Locking 4-Prong L14-30P Plug to 30 Amp 3-Prong L5-30R Outlet Splitter Adapter(NEMA L14-30P to L5-30R) 884913 - The Home Depot
TT30 P male to L14-30 R female RV to Generator Adapter, twist lock, 120 voltage adapter | GenInterlock