Sierra 5-15P Male Pigtail Adapter 15A 125V Straight Blade To 30A 125V L5-30R Female Locking This 15A 5-15P Pigtail Adapter authorizes the user to join a dockside receptacle to a boat side inlet of a different power configuration. This adapter facilitates 15A 125V 5-15P Male straight blade to 30A 125V L5-30R female locking. The 15A pigtail adapter features a nickel plated brass contacts to withstand severe marine environments. Mechanical Spec 5-15P Male to L5-30R Female Twist-Lock Replaces Marinc