Marinco Shore Power Adapter 30A Boat to 15A Dock The Marinco Shore Power Adapter 30A Boat to 15A Dock is a one piece high quality adapter for use in similar usage to pigtail adapters. They do not feature sealing collars are are recommended for use in enclosed and dry locations. Perfect for powering your boat form a 15A power receptacle inside your house. Product Features 30 Amp Female to 15 Amp Male For use in enclosed dry locations One-Piece adapter Interchangeable with Furrion F1530AD-SS Calif