MARVINE 15A male to 30A female shore power adapter makes it easy to convert power to fit your RV or boat.

Product Detail:
Plug: NEMA 5-15P molded straight blade
Connector: NEMA L5-30R connector with sealing collar provides a tight connection and prevents moisture from entering.
Electrical Rating: 15A(Male) to 30A(Female); 125V
Cable Spec: 10/3 STW
Wire Material: 100% copper