DuroMax XP3050RV RV Adapter, 30 to 50-Amp The NEMA 14-50R plug connects directly to all standard 50 Amp RV's Heavy 10/4 copper wire prevents any loss of power 24" Cord allows heavy plug ends to lay on the ground preventing any panel damage Nylon lined prong slots and flip-up pull handle for easy unplugging Works on DuroMax and DuroStar models with rated output of 8000 watts or more