Leisure Cords 50 Amp male to 30 Amp Female NEMA 14-50P to TT-30R: Rated at 125V / 3,750W 50Amp (14-50P) male plug to 30Amp ( TT-30R ) female receptacles, converts the 50Amp power to 30A RV campers recreational vehicles.12" end-to-end adapter length. Please review compatible connection prior to installation.