Marinco model RY504-2-30 Reverse “Y” adapter
50A 125/250V female connector (locking w/ Sealing Collar System), and two 30A 125V locking male plugs.
The reverse “Y” adapter has two male plugs with special power isolation circuitry for added safety. They provide 50A 125/250V power when only two 30A 125V receptacles are available. Reverse “Y” adapters are fully molded and equipped with the Marinco unique sealing collar and covers (where indicated) for use in wet locations.