Product details:

EEL Pigtail Adapters - Dockside (male) 30 amp 125V locking plug to Boatside (female) 50 amp 125V locking connector w/ Sealing Collar System (P30-503) EEL Shore Power 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 (30 amp 10 gauge, 50 amp 6 gauge). Watertight molded plug and connector ends for safety and durability. Corrosion resistant, nickel-plated contacts. Suitable for use in wet.