Marinco 15A Pigtail Shore Power Adapter Plus The Marinco 15 Amp Shore Power Pigtail Adapter Plus allows you to connect from one dockside receptacle to one boatside inlet or equipment with a different power configuration. The adapters are fully molded and equipped with the Marinco sealing collar and covers for use in wet locations. Pigtail Adapters are equipped with covers and sealing collars where indicated , and are for use in wet locations. Features a power -on indicaor and thumbgrip locator.