Shop Nilight 15Amp to 50Amp RV Power Adapter 125 Volt Heavy Duty RV Plug 5-15P to 14-50R 15A Male to 50A Female Receptacle for RV/EV Camper Caravan Trailer Generator in high quality, support 2 year warranty. Rated for 125 Volts. The 15 Amp (NEMA 5-15P) male to 50 Amp (NEMA 14-50R) female heavy duty power adapter. Molded and made of pure copper, ensuring high conductivity and a solid, safe construction for use on electric generator or power supplies for household appliances on your RV.