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

  • Save $89.85 USD
    Victron Energy

    Victron Autotransformer 120/240V - 100A [ITR000100102]

    Regular price $509.15 USD
    Sale price $509.15 USD Regular price $599.00 USD

    Autotransformer 120/240V - 100AAn Autotransformer can be used for step-up, step-down, and split-phase output balancing purposes.While the step-up and step-down functions are fairly straightforward, split-phase output...

  • Save $23.96 USD
    DS18

    DS18 Hydro Power Amplifier Install Kit - 8GA [MOFCKIT8]

    Regular price $95.99 USD
    Sale price $95.99 USD Regular price $119.95 USD

    Hydro Power Amplifier Install Kit - 8GA  High quality wiring at it's best!  This DS18 wiring kit comes with everything you need to install your new amplifier....

  • Save $6.00 USD
    Blue Sea Systems

    Blue Sea 1698 Marine-Grade Dual GFCI Receptacle [1698]

    Regular price $61.99 USD
    Sale price $61.99 USD Regular price $67.99 USD

    1698 Marine-Grade Dual GFCI ReceptacleFeatures: Delivers continuous ground fault protection Automatically self-tests to ensure it can respond to feedback The status indicator light provides simple, intuitive...

  • Save $7.61 USD
    Egis Mobile Electric

    Egis TH3 Dual Relay 2 x 80A - 24V [7422-24]

    Regular price $70.99 USD
    Sale price $70.99 USD Regular price $78.60 USD

    TH3 Dual Relay 2 x 80A - 24VFeatures: Replaces Manual Battery Switches: Reduces battery cable run lengths and resulting voltage drop Connect to the Ignition Signal...

  • Save $23.87 USD
    Egis Mobile Electric

    Egis TH3 Universal Voltage Sensing Relay w/OPT Time Delay 160A [7618]

    Regular price $131.99 USD
    Sale price $131.99 USD Regular price $155.86 USD

    TH3 Universal Voltage Sensing Relay with OPT Time Delay 160AFeatures: Four Functions in One Flexible Device: Time Delay Relay, Low Voltage Disconnect, Automatic Charging Relay/Battery Isolator,...

  • Save $6.81 USD
    Egis Mobile Electric

    Egis TH3 Relay 160A - 24V [7421-24]

    Regular price $68.99 USD
    Sale price $68.99 USD Regular price $75.80 USD

    TH3 Relay 160A - 24VFeatures: Replaces Manual Battery Switches: Reduces battery cable run lengths and resulting voltage drop Connect to the Ignition Signal for simple battery...

  • Save $27.31 USD
    Egis Mobile Electric

    Egis XD Dual Flex 2 Relay/Relay w/Knobs - Tinned Wires [8720-1550]

    Regular price $248.99 USD
    Sale price $248.99 USD Regular price $276.30 USD

    XD Dual Flex 2 Relay/Relay with Knobs - Tinned WiresFeatures: Compact 35-75% smaller installation footprint than competitive solutions Flexible functionality via dip switches: utilize each as...

  • Egis Mobile Electric

    Egis C Series White Toggle Panel Mount Circuit Breaker - Single Pole 60A [3501-060]

    Regular price $36.10 USD
    Sale price $36.10 USD Regular price $0.00 USD

    C Series White Toggle Panel Mount Circuit Breaker - Single Pole 60AFeatures: Easily Mounts In Standard Panels, accepting A-Series and C-Series magnetic-hydraulic circuit breakers. Includes mounting...

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