Pigtail Adapter. These adapters are equipped with covers and sealing collars (where indicated), and are for use in wet locations.. Boat Side: Female Connector. 30A 125V. Locking w/Sealing Collar System. Attaches to boat inlet or cordset. Dock Side: Male Plug. 50A 125V. Locking. Attaches to dockside receptacle or cordset. 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.