Marinco Y504-2-30 EEL "Y" Adapter Dock Side Male 50A 125/250V Locking to Boat Side Female 2-30A/125V Locking With Sealing Collar System
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The Marinco EEL “Y” Adapter (Y504-2-30 / 69-Y504230) is designed to split a single dockside 50A 125/250V locking connection into two separate 30A 125V locking boat-side inlets—using Marinco’s sealing collar system for a weather-sealing connection in wet locations.
Key Features
- Y-adapter design splits one dockside receptacle into two boat inlets of similar or dissimilar power configurations
- Dock side male plug: 50A 125/250V locking
- Boat side female outlets: (2) 30A 125V locking with sealing collar system
- Sealing collar system helps create a weatherproof seal when joining cables together
- Suitable for wet locations with molded plug/connector ends for durability
- EEL (Easily Engaged Lock) style locking connection for secure mating
- LED power indicator
- Corrosion-resistant nickel-plated contacts
- Heavy-duty marine-grade cable: 30 Amp 10 gauge and 50 Amp 6 gauge (super flexible)
- Marine UL® listed
- 5-year warranty
Intended Use
- Marine shore power connections
- Dockside-to-boat power splitting when you need two separate 30A 125V feeds from a single 50A 125/250V dock connection
Product Details
- SKU: 69-Y504230
- Dock Side (Male Plug): 50A 125/250V Locking
- Boat Side (Female Outlets): (2) 30A 125V Locking with Sealing Collar System
- Marine-grade cable sizes: 30 Amp 10 gauge, 50 Amp 6 gauge (super flexible)
- Sealing: Sealing collar system for weatherproof sealing when joining cables together
- Indicator: LED power indicator
- Contacts: Nickel-plated, corrosion-resistant
- Listing/Warranty: Marine UL® listed; 5 year warranty
- Style/Type: Marinco EEL “Y” Adapter (Y504-2-30)
Parts Desk Insights
Best Use Case: Best for marina setups where your dock power is 50A 125/250V, but your boat-side inlets require separate 30A 125V locking connections.
Common Issues: If a connection feels difficult to engage, confirm both plugs are aligned and fully seated before locking; also check that the sealing collar is properly positioned for the weatherproof seal in wet environments. For troubleshooting, verify shore power availability at the source and inspect mating surfaces for dirt/salt before re-connecting.
Related Products & Accessories
- Browse Shore Power accessories - Search the Shore Power category for matching Marinco EEL cords/adapters and sealing components.
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.