MARINCO PIGTAIL ADAPTER PLUS 30A LOCKING TO 15A WITH - Pigtail Adapter Plus - 104SPP - Product Features: - Plus version of the 104A with LED power indicator light - 30A 125V locking female to 15A 125V male with locking screw - Boat Side: Female Connector 30A 125V - Locking w/Sealing Collar System - Attaches to boat inlet or cordset Dock Side: Male Plug 15A 125V - Locking - Attaches to dockside receptacle or cordset -