EEL pigtail adapters enable you to connect from one dockside receptacle (or other power source receptacle) to one boat side inlet or equipment of dissimilar power configuration. In addition to the EEL system, the pigtail adapters incorporate the highest quality, marine grade contruction. Sealing collar (where applicable) to create a weatherproof seal when joining cables together. Suitable for use in wet locations. Watertight molded plug and connector ends for safety and durability. Heavy duty, super flexible marine grade cable. Corrosion resistant, nickel plated contacts. 5 year warranty.