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Marinco P30-503 EEL Pigtail Adapter 30A Male to 50A 125V Female

Manufacturer

Marinco

<h3>About Marinco: Trusted Marine Electrical Innovation Since 1972</h3><p><strong>Marinco</strong> has been a cornerstone of the marine electrical industry for more than five decades. The brand traces its roots to 1972, when founder Bud Toly, frustrated by the poor quality of available marine electrical gear, set out to engineer something better from the ground up. That spirit of problem-solving and uncompromising quality has defined Marinco ever since. Today, the brand is part of the Navico Group — a global leader in marine technology — and continues to serve everyone from weekend bass anglers to commercial vessel operators and major OEM boatbuilders.</p><p><a href="/11273-marinco">Marinco</a> is best known as a world-class manufacturer of shore power systems, but its catalog spans far beyond that single category. The brand's engineers design products for the real-world punishment of salt, spray, and constant moisture — environments where inferior components fail quickly and safe, reliable electrical connections are non-negotiable. Industry involvement is baked into the brand's DNA: <a href="/11273-marinco">Marinco</a> actively participates on ABYC standards committees, helping shape the very regulations its products are built to exceed.</p><h3>Shore Power, Signaling, and Ventilation — Built for the Water</h3><p>At the core of Marinco's reputation is its shore power lineup: heavy-duty cordsets, inlets, outlets, and adapters engineered for both 30-amp and 50-amp applications. The patented EEL (Easily Engaged Lock) jaw-clamp system allows one-handed connection without the frustration of threaded locking rings, and many premium connectors feature built-in LED power indicators so boaters can confirm live power at a glance. Products are engineered to CSA and UL standards, and nickel-plated brass contacts are used throughout to resist the corrosion that plagues lesser marine connectors.</p><p>Beyond shore power, Marinco offers an impressive range of marine accessories that keep vessels safe and comfortable. The brand's <a href="/11273-marinco-air-horns-201608">air horns</a> are a staple on boats of all sizes, delivering the kind of authoritative, regulation-compliant signals that can genuinely protect lives on the water. And for boaters who want to keep cabin air fresh without running down their battery bank, Marinco's <a href="/11273-marinco-solar-cabin-vents-202545">solar cabin vents</a> from its trusted Nicro line provide around-the-clock ventilation powered entirely by the sun — and a built-in rechargeable battery when the sun goes down.</p><h3>Why Boaters Choose Marinco</h3><ul><li><strong>OEM Trust:</strong> Major boatbuilders specify Marinco electrical components from the factory, a testament to the brand's reliability standards.</li><li><strong>Standards Leadership:</strong> Active participation on ABYC committees means Marinco products don't just meet standards — they help write them.</li><li><strong>Marine-Grade Engineering:</strong> Every product is designed for salt air, vibration, and moisture, not just adapted from a land-based design.</li><li><strong>Complete System Thinking:</strong> With over 800 electrical products engineered to work together, Marinco makes it easy to build a cohesive, safe onboard electrical system.</li><li><strong>Decades of Refinement:</strong> Over 50 years of feedback from real boaters has shaped every product iteration, from connector geometry to diaphragm materials.</li></ul><p>Whether you're outfitting a new build, upgrading aging shore power hardware, adding a safety horn, or solving a below-decks ventilation problem, Marinco brings proven engineering and category-defining products to every corner of the job.</p>

Part Number

P30-503
06/01/2036 2:41 AM
Sale Price

$187.33

In Stock (6)

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Product Details

The Marinco P30-503 EEL (Easily Engaged Lock) ShorePower Pigtail Adapter allows you to connect your 50A 125V shore power cord to a 30A power pedestal. This essential marine adapter features Marinco's patented jaw-clamp technology that creates a secure, watertight connection with single-handed operation.

Key Features:

  • Patented EEL jaw-clamp design provides watertight seal without sealing rings
  • Built-in LED cord light in female connector for easy nighttime hookups
  • Power indicator lights at both ends confirm active power flow
  • Single-handed operation with secondary locking feature
  • Included sealing collar creates weatherproof seal when joining cables
  • Safe for use in wet marine environments
  • Exceeds UL testing standards for marine applications
  • Five-year manufacturer warranty

Technical Specifications:

  • Connections: NEMA SS1-50R Female Twist-Lock (boat side) to L5-30P Male Twist-Lock (shore side)
  • Amperage Rating: 30A
  • Voltage: 125V
  • Cable: 10AWG, 3-conductor
  • Overall Length: 18 inches
  • Construction: PVC jacket, nylon plug bodies, nickel-plated brass contacts

This adapter is ideal for boaters who need to adapt lower amperage shore power service to their vessel's higher capacity shore power system. The integrated LED indicators provide visual confirmation of proper power connection and flow.

Products specifications

Amperage

30 Amps50 Amps

Type

Pigtail Adapters

Voltage

125 Volts

Warranty Details

Five Years

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