Marinco CS503-25 Yellow 50A 125V Shore Power Cordset

The Marinco CS503-25 EEL ShorePower Cordset offers one hand, a simple twist, and full power. Its industry-first jaw-clamp design provides one-handed operation and a secure watertight seal, completely eliminating the need for a locking ring. The EEL (Easily Engaged Lock) connection is built for the harshest environments and is UL approved.

This easy-to-use cordset features a built-in LED cord light that serves as an alert to other boaters when the cord is left plugged in, guiding you to a secure connection every time, even in the dark. It works with your current inlet, and Marinco also offers a full set of pigtail and Y adapters using the same EEL technology. New wing-clamp technology provides a true, watertight connection every time, along with a secondary locking feature for added security.

Designed for use with standard NEMA inlets, this cordset delivers 50A at 125V capacity across a 25-foot length, meeting global industry standards including ABYC and UL. Browse more in our shore power category.

Key Features

• 50A 125V capacity
• 25' length
• EEL jaw-clamp single-handed operation
• watertight wing-clamp connection
• secondary locking feature
• built-in LED cord light
• eliminates need for sealing ring
• meets ABYC and UL standards
• Model: CS503-25 (EEL)

Additional Details: Length: 25ft; Certifications: ABYC, UL; Features: Single-Handed Operation, Built-In LED Cord Light, Secondary Locking Feature, No Sealing Ring Required; Weight: 20 lb.

Frequently Asked Questions

Does this cordset require a locking ring? No, the EEL jaw-clamp design and watertight wing-clamp connection completely eliminate the need for a locking ring.

What does the LED cord light do? It alerts other boaters when the cord is plugged in and guides you to a secure connection, even in the dark.

Will this work with my existing inlet? Yes, it's designed to work with your current standard NEMA inlet.