Wide Use: 30A male to 50A female adapter allows you to convert the power at the campground to fit your 50A RV. Electrical Rating: 30A (NEMA TT-30P) male to 50A (NEMA 14-50R) female adapter cord with LED power indicator. It's rated for 125V and 3750W, constructed with 10/3 gauge wires. ETL Listed: Our entire product is ETL/cETL certified, providing a higher level of safety for your RV compared to other brands that only have UL certification for their plugs or cables. Superior Durability: Molded and made of 100% pure copper wiring coated with a heavy duty flame retardant, UV-resistant polyvinyl plastic sleeve that serves as protection from outdoor elements, wear and tear. Disconnect Handle: Easier to plug in and plug out without damaging the cable, and it keeps your fingers away from the power source to avoid accidental injury.