Marinco Y Shore Power Adapter 50A Boat Connector to 50A DockThe Marinco Y Shore Power Adapter 50A Boat Connector to 50A Dock allows you to split one dock receptacle between two boat inlets of similar or different power configurations. Fully molded and equipped with Marinco's unique sealing collar and covers for use in wet marine environments.Product Features: Equipped with covers and sealing collars(where indicated).; For use in wet locations.; Boat side female connector atttaches to boat inlet or cordset.; Dock Side male plug attaches to dock side receptacle cordset.; 165AY Features: 2 - 50A 125/250V Female Locking w/ Sealing Collar System; 50A 125-250V Locking Male Plug; Interchangeable with: Furrion F5252Y-SY; Marinco Y504-2-504;