Shop Nilight RV Generator Adapter Cord 30 Amp to 50 Amp 3 Prong Pure Copper Heavy Duty Twist Lock Male Plug 10 Gauge Wire L5-30P to 14-50R 30M/50F for RV Camper Caravan Van Trailer in high quality, support 2 years warranty. The cord is coated with a heavy-duty flame retardant, heat resilient PVC sheath that serves as protection from the outdoor elements.