Marinco Reverse 30A to 50A "Y" Shore Power AdapterThe Marinco Reverese Y Shore Power Adapter 30 to 50 AMP features two male plugs with power isolation circuitry for extra safety. The plugs provide 50 AMP 125/250V power when only two 30A 125V receptacles are available for use. Fully molded and equpped with the unique Marinco sealing collar for use in wet locations. Product Features Provides a boat with 50A 125/250V power from two 30A/125V locking receptacles.; The Reverse "Y" Adapter (167RYN) has two male plugs with special power isolation circuitry for added safety. When one plug is connected to a receptacle, the circuitry isolates the second plug. The reverse "Y" provides 50A 125/250V power when only 30A 125V receptacles are available.; Note: Reverse "Y" will NOT work with 50A, 125V, 3-wire inlets. Power is provided in both circuits to the 4-wire inlet, but the dockside receptacles limit the current in each circuit to 30A. The two 30A 125V receptacles must be supplied from a single power source providing from 208V to 250V between them for proper operation.; Interchangeable with: Marinco 153AY; Furrion F3052Y-SY; Click here to download Marinco Reverse 30A to 50A Y Adapter Owners Manual