Product details:

Marinco EEL Pigtail Adapter 30A Male to 50A 125/250V FemaleThe Marinco EEL Pigtail Adapter allows you to connect from one dockside receptacle to one boatside inlet or equipment. This adapter is fully molded and equipped with Marinco's unique sealing collar and covers for use in wet locations. The EEL is a patented, industry-first, jaw-clamp design that provides one-handed operation and a secure waterproof seal. This eliminates the use for a locking ring. The EEL connection is built for the harshest environments and is UL approved.