Cablemaster 30 Amp Marine Shore Power Y-adapter, Yellow - Free Same Day Shipping Marine, shore power, power, cords, cable Male Connector: 30A 125V Locking, attaches to dockside receptacle or cordset Female Connector: 2-30A 125V Locking w/ Sealing Collar System, attaches to cordset or boat inlet Built for extreme and harsh weather conditions Heavy duty construction