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    DockMaster Undermount 50 ft Extension Cord with Waterproof Quick Connectors

    Type: Lighting
    Regular Price $39.00
    Item # FL-HG-DM260EXT50
    • 50 ft extension cord with waterproof quick connectors
    • Compatible with DockMaster undermount and SF model lights
    • IP68-rated connectors for submerged marine applications
    • 18 AWG 2-conductor SJOOW marine-grade cable
    • Includes adapter kit for older model lights

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    Description
    The DockMaster undermount 50 ft extension cord is designed for installations requiring extended reach while maintaining dependable marine-grade performance. Constructed with durable 18 AWG 2-conductor SJOOW cable and IP68-rated waterproof quick connectors, this extension cord ensures secure power delivery in wet and submerged dock environments. It supports DockMaster and SF model lights and includes an adapter kit for compatibility with older lighting systems, making it ideal for upgrades and new installations alike.
    Additional Info
    Item #:FL-HG-DM260EXT50
    Cord Length:50 ft
    Cable Type:18 AWG 2C SJOOW
    Connector Rating:IP68 (Rated to 50 ft depth)
    Compatibility:DockMaster & SF model lights
    Adapter Included:Yes (for older model lights)

    *All specifications are approximate

    Why Choose Dockbuilders?

    With nearly 30 years of experience, Dock Builders Supply delivers dependable marine construction materials for projects of all sizes. Our products are selected with precision for durability, performance, and real-world dock applications.

    Backed by a knowledgeable team and supported with detailed estimates and drawings, we help you plan with clarity and build with confidence — from residential docks to large-scale marina installations.

    How It Works

    • Plan & Design

      Share your dock goals, and we’ll create a custom layout and materials list.

    • Select Components

      Choose durable, marine-grade parts tailored to your design.

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