Marinco 167RYN2 Reverse Y Molded Adapter

Reverse Y Molded Adapter Female: Boat Side - 50A 125V/250V Locking/Male: Two 30A 125V Locking    Provides a boat with 50A 125/ 250B power from two 30A/125V locking receptacles.  Prevents 50 amp 125/250V need from hazardous use of two 30 amp 125V dock receptacles by use of separate mechanical relays that will not permit power to energize second plug, offering protection from the exposed blades. Also prevents short circuit. Female with sealing collar. 5 year warranty.