Collection: Electrical - Accessories

The finishing details for dependable onboard electrical systems.

Explore marine electrical accessories designed to support the installation, maintenance, organization and protection of your vessel’s electrical equipment. From small replacement components to installation hardware, the right accessories can make electrical projects cleaner, more organized and easier to maintain.

Shop marine wiring accessories, electrical connectors, protective covers, mounting hardware, cable accessories, boots, caps, adapters and electrical installation supplies for sailboats, powerboats, yachts and other marine applications.

Whether you're completing a new electronics installation, upgrading an existing electrical system, replacing worn components or stocking your onboard tool and spare-parts supply, Roam & Harbor makes it easier to find the electrical essentials that help finish the job.

Finish the installation. Protect the system. Keep exploring.

453 products

  • Pro-Guide Batteries

    Pro-Guide Single AC Receptacle [TWPS]

    Regular price $28.99 USD
    Sale price $28.99 USD Regular price $0.00 USD

    Single AC ReceptacleThe TWPs is an AC receptacle featuring a built-in extension cable for maximum flexibility and easy installation. Designed for exterior mounting on any vehicle,...

  • Scotty

    Scotty 2123 Marine Grade Plug - 12V [2123]

    Regular price $31.49 USD
    Sale price $31.49 USD Regular price $0.00 USD

    2123 Marine Grade Plug - 12VFor all Scotty High Performance Downriggers, Depthpower Downriggers, and Line Pullers.Features: IP67-rated 12V 30A marine-grade electric plug Rated for use with...

  • Save $383.01 USD
    Dolphin Charger

    Dolphin Charger DC-DC Converter - 24/48V - 15A [99203]

    Regular price $1,229.99 USD
    Sale price $1,229.99 USD Regular price $1,613.00 USD

    DC-DC Converter - 24/48V - 15AYour boat has a 12V alternator, and you need to charge a 24V or 36V battery “on the run”? Dolphin has...

  • Scotty

    Scotty 2122 Marine Grade Socket - 12V [2122]

    Regular price $34.49 USD
    Sale price $34.49 USD Regular price $0.00 USD

    2122 Marine Grade Socket - 12VFor all Scotty High Performance Downriggers, Depthpower Downriggers, and Line Pullers.Features: IP67-rated 12V 30A marine-grade electric socket with watertight cap Rated...

  • Save $187.01 USD
    Dolphin Charger

    Dolphin Charger DC-DC Converter - 12/36V - 20A [99204]

    Regular price $811.99 USD
    Sale price $811.99 USD Regular price $999.00 USD

    DC-DC Converter - 12/36V - 20AYour boat has a 12V alternator, and you need to charge a 24V or 36V battery “on the run”? Dolphin has...

  • Save $40.01 USD
    Egis Mobile Electric

    Egis PDM 14 Circuit + Ground 175A 12V w/Kill Switch [2601]

    Regular price $215.99 USD
    Sale price $215.99 USD Regular price $256.00 USD

    PDM 14 Circuit + Ground 175A 12V with Kill SwitchDesigned for professional installers, this is a compact solution that combines battery protection, power switching, circuit protection,...

  • Star brite

    Star brite Liquid Electrical Tape - Black - 1 oz [84154]

    Regular price $11.99 USD
    Sale price $11.99 USD Regular price $0.00 USD

    Liquid Electrical Tape - Black - 1 ozCreates an airtight, waterproof, and UV-resistant seal on electrical connections and wires. Designed for bilge pumps, outdoor wiring, marine...

  • Save $302.01 USD
    Dolphin Charger

    Dolphin Charger DC-DC Converter - 24/24V - 30A [99202]

    Regular price $971.99 USD
    Sale price $971.99 USD Regular price $1,274.00 USD

    DC-DC Converter - 24/24V - 30AYour boat has a 12V alternator, and you need to charge a 24V or 36V battery “on the run”? Dolphin has...

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