EEL "Y" Adapters. These adapters are equipped with sealing collars and are for use in wet locations.. Boat Side. Female Connector: Attaches to boat inlet or cordset. (2)30A-125V Locking w/ Sealing Collar System. Dock Side. Male Plug: Attaches to dockside receptacle or cordset. (1)50A-125/250V Locking 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. For more information go to P65Warnings.ca.gov.