EEL ShorePower Pigtail adapters enable you to connect from one dockside receptacle (or other power source receptacle) to one boatside inlet or equipment of dissimilar power configuration. Sealing collar (where applicable) to create a weatherproof seal when joining cables together. Heavy-duty, super flexible marine grade cable. Watertight molded plug and connector ends for safety and durability. Corrosion-resistant nickel-plated contacts.