AC WORKS RV Generator Adapter NEMA L14-30P 30 Amp 125-Volt/250-Volt 4-Prong Locking Plug to RV TT-30R 30 Amp RV Female Connector RVL1430TT - The Home Depot
parkworld Generator 30 Amp to RV 30 Amp Power Adapter NEMA L14-30P to TT-30R Locking 4-Prong Plug to RV 3-Prong Outlet Yellow 691784Y - The Home Depot