Marinco Y Shore Power Adapter 30A Boat to 30A DockThe Marinco Y Shore Power Adapter 30A Boat to 30A Dock allows you to split one dock side receptacle between two boat inlets of similar or different power configurations. Fully molded and equipped with the Marinco unique sealing collar and covers for use in wet locations.Product Features: Equipped with covers and sealing collars(where indicated).; For use in wet locations.; Boat side female connector attaches to boat inlet or cordset.; Dock Side male plug attaches to dock side receptacle cordset; 157AY Features: 2 - 30A 125V Female Locking w/Sealing Collar System; 30A 125V MaleLocking Plug; Interchangeable with: Marinco Y30-2-30; Furrion F3030Y-SY;