Marinco P503-30 EEL Pigtail Adapter Dock Side Male 50A 125V Locking to Boat Side Female 30A 125V Locking With Sealing Collar System
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The Marinco P503-30 EEL Pigtail Adapter is designed to adapt a dock-side locking 50A 125V male connection to a boat-side locking 30A 125V female connection using the EEL sealing collar system for a weather-resistant seal. It features molded, watertight connector ends, corrosion-resistant nickel-plated contacts, and a dockside power indicator LED.
Key Features
- Dock-to-boat power adaptation for dissimilar shore power configurations
- Dock side: Male locking 50A 125V (as stated in product title)
- Boat side: Female locking 30A 125V (as stated in product title)
- Sealing collar system to help create a weatherproof seal when joining cables together
- Weatherproof EEL shore power pigtail adapter construction
- Watertight molded plug/connector ends for safety and durability
- Corrosion-resistant, nickel-plated contacts
- LED power indicator to show power flow while plugged in
- Marine-grade super flexible cable
- Suitable for wet locations
- 5 year warranty (as stated in provided description)
- Marine UL® listed (as stated in provided description)
Intended Use
- Marine shore power pigtail adapter for adapting dock-side locking power to a boat inlet/cordset with different power configuration
- Use with Marinco EEL ShorePower dock and boat locking components
- Wet-location shore power connections where the EEL sealing collar system is indicated
Product Details
- SKU: 69-P50330
- Product: Marinco P503-30 EEL Pigtail Adapter
- Dock Side: Male locking 50A 125V (as stated in product title)
- Boat Side: Female locking 30A 125V (as stated in product title)
- Sealing collar system (as stated in product title and description)
- Marine UL® listed (as stated in provided description)
- 5 year warranty (as stated in provided description)
- Cable: super flexible marine grade cable rated 30 Amp 10 gauge and 50 Amp 6 gauge (as stated in provided description)
- Connector construction: watertight molded plug and connector ends (as stated in provided description)
- Contacts: corrosion-resistant nickel-plated contacts (as stated in provided description)
- Indicator: LED power indicator (as stated in provided description)
- Intended environment: suitable for use in wet locations (as stated in provided description)
Parts Desk Insights
Best Use Case: A solid choice when you need to adapt from a dock-side locking 50A 125V power receptacle to a boat-side locking 30A 125V inlet using the EEL sealing collar system for added weather resistance at the connection.
Common Issues: If the sealing collar system is not positioned correctly during installation, the joint may not achieve the intended weatherproof sealing. Also confirm you’re matching the dock-side male locking plug and the boat-side female locking connector type before connecting—shore power adapters are configuration-specific.
Related Products & Accessories
- Browse Shore Power - Browse the Shore Power collection for compatible Marinco EEL cords, inlets, and adapters.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.