●50A 125V locking dock side male plug to 30A 125V locking w/ sealing collar system boat side female connector ●Fully molded and equipped with the Marinco unique sealing collar and covers for use in wet locations ●The EEL (Easily Engaged Lock) is a patented, industry first, jaw-clamp design providing one-handed operation and a secure waterproof seal which completely eliminates the need for a locking ring ●The EEL connection is built for the harshest environments and is UL approved