Marinco Straight Adapter 15Amp Straight Male to 30Amp Locking Female Connector [S15-30]Shore Power Adapter Replaces the 83A Straight Adapter Not recommended for useis wet locations Boat Side: Female Connector Attaches to boat inlet or cordset 30A 125V Locking Dock Side: Male Plug Attaches to dockside receptacle or cordset 15A 125V Straight Blade WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm.