Marinco S20-15 (Old 80A) Straight Adapter Dock Side Male 20A/125V Locking to Boat Side Female 15 or 20A 125V Straight Blade
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The Marinco S20-15 (Old 80A) Straight Adapter connects dock power to a boat inlet with a dock-side locking male plug and a boat-side 15 or 20A 125V straight blade female connector. It features a built-in LED power indicator and Marine UL® listing, and is designed for use in dry, enclosed locations.
Key Features
- Dock-side male locking plug (20A/125V) designed to securely engage the dock receptacle or cordset
- Boat-side female connector (15 or 20A/125V straight blade) to match a straight-blade boat inlet/cordset
- Straight adapter style for end-to-end connection between dock and boat
- Built-in LED power indicator for quick visual confirmation when powered
- Marine UL® listed one-piece adapter design
Intended Use
- Shore power connection from a dock pedestal to a boat inlet using a compatible straight-blade boat-side connector
- Dockside 20A/125V locking male plug to boat-side 15 or 20A/125V straight blade inlet (dry, enclosed use only)
Product Details
- Manufacturer/Brand: Marinco
- Model/Title Identifier: S20-15 (Old 80A) Straight Adapter
- Adapter Type: Straight adapter
- Dock Side: Male plug, 20A/125V locking
- Boat Side: Female connector, 15 or 20A 125V straight blade
- LED Power Indicator: Built-in (LED)
- Sealing Collar: Not included
- Usage Location Guidance: Use only in an enclosed, dry location (not recommended for wet locations)
- Warranty: 5 year warranty
- SKU (Variant): 69-S2015
- SKU (No-dash): 69S2015
- Barcode (Variant): 093344051883
Parts Desk Insights
Best Use Case: Best for marina/shore power hookups where you can keep the adapter connection area dry—such as powering a boat from an indoor 15A power receptacle where the adapter can remain in an enclosed, dry location.
Common Issues: Avoid using in wet locations, since this adapter does not include sealing collars. If you’re not getting power, confirm the dock-side locking connection is fully engaged and that your boat inlet/cordset matches the 15 or 20A 125V straight blade female connector.
Related Products & Accessories
- Browse Shore Power - Search the Shore Power category for matching Marinco adapters, dock cords, and inlet/cordset connectors.
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.
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For return authorization, please contact our support team before shipping anything back.