Cablemaster Corporation 50 Amp Marine Shore Power Cord Y-Adaptor, White - Free Same Day Shipping CMSPAC-50A4WM-2X30A125F-04-W Male Connector: Male Connector: 50A 125/250V Locking, attaches to dockside receptacle or cordset Female Connector: 2-30A 125V Locking with Sealing Collar System, attaches to cordset or boat inlet Built for extreme and harsh weather conditions Heavy duty construction