Sierra 30A 125V (L5-30P) male Pigtail Adapter To 30A 125/250V (SS2-50R)This L5-30P Pigtail Adapter authorizes the user to join a dockside receptacle to a boat side inlet of a different power configuration. This adapter facilitates 30A 125V (L5-30P) Male to 50A 125/250V (SS2-50R) female. The 30A pigtail adapter features a nickel plated brass contacts to withstand severe marine environments.Mechanical Spec: L5-30P Male to SS2-50R Female Twist-LockReplaces: Marinco 117A