NUSET RV dogbone adapter 15 amp male to 30 amp female locking connector For use when RV is equipped with 30 AMP twist lock power inlet and needs to plug into 15 AMP power source 5-15P male plug L5-30R female 10AWG, 125V For use when RV is equipped with 30 AMP twist lock power inlet and needs to plug into 15 AMP power source 5-15P male plug L5-30R female 10AWG, 125V