Sierra SS2-50R Female Reverse “Y” Adapter to (2) 30A 125V (L5-30P) Male Shore Power This SSZ-50R Reverse Y Adapter is easy to apply and ideal for severe marine environments. The Reverse adapter employs two male plugs with unique power isolation for overall user safety to supply a single female plug. The adapter features a sealing ring watertight secure connection to shore power. It also includes a yellow PCV cord jacket for high resistance of carbon tracking. This adapter facilitates 50A 125V Female TO (2) 30A 125V Male (L5-30R). Features: PCV cord jacket Nylon plug body Nickel plated brass contacts Mechanical Spec: (2) L5-30P Male to L5-30R Female Twist-Lock Replaces: Marinco RY504-2-30