Collection: Electrical - Busbars, Connectors & Insulators

Build cleaner connections and dependable onboard power distribution.

Explore marine busbars, connectors and insulators designed for organizing electrical connections and distributing power throughout your vessel. From battery installations to DC electrical systems, the right connection components help create clean, accessible and dependable onboard electrical installations.

Shop marine busbars, power distribution blocks, terminal blocks, battery connectors, electrical connectors, insulating covers, standoffs and related installation accessories for sailboats, powerboats, yachts and other marine applications.

Whether you're upgrading a battery bank, adding electrical equipment, reorganizing existing wiring or building a new power-distribution system, Roam & Harbor makes it easier to find the components needed for a professional marine electrical installation.

Connect the system. Distribute the power. Keep exploring.

155 products

  • Blue Sea Systems

    Blue Sea 2314 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with Cover [2314]

    Regular price $26.99 USD
    Sale price $26.99 USD Regular price $0.00 USD

    MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with CoverPN:   2314 Great for limited space applications in electronics cabinets and under dashboards Snap on insulating...

  • Blue Sea Systems

    Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]

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

    Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insulator WARNING: This product can...

  • Blue Sea Systems

    Blue Sea 2713 Minibus Cover [2713]

    Regular price $5.99 USD
    Sale price $5.99 USD Regular price $0.00 USD

    Cover for 2304 and 2305Great for limited space applicationsBase Material: Reinforced PolycarbonateCover Material: Clear PolycarbonateContinuous Amperage: 100 Amperes AC/DCVoltage Rating: 300 Volts AC Maximum / 48...

  • Blue Sea Systems

    Blue Sea 4016 Straight Terminal CableCap - Small [4016]

    Regular price $8.99 USD
    Sale price $8.99 USD Regular price $0.00 USD

    4016 Straight Terminal CableCap - SmallInsulates battery terminals which have standard automotive posts.Features:Designed to fit standard automotive postsWARNING: This product can expose you to chemicals including...

  • Blue Sea Systems

    Blue Sea 2716 Cover f/BusBar 2302 [2716]

    Regular price $8.99 USD
    Sale price $8.99 USD Regular price $0.00 USD

    Cover for Busbar The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground circuits WARNING: This product...

  • Blue Sea Systems

    Blue Sea 2315 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with Cover [2315]

    Regular price $30.99 USD
    Sale price $30.99 USD Regular price $0.00 USD

    MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with CoverPN:  2315 Great for limited space applications in electronics cabinets and under dashboards Snap on insulating...

  • Save $4.00 USD
    Blue Sea Systems

    Blue Sea 2312, 150 Ampere Common Busbar 20 x 8-32 Screw Terminal with Cover [2312]

    Regular price $51.99 USD
    Sale price $51.99 USD Regular price $55.99 USD

    150 Ampere Common Busbar 20 x 8-32 Screw Terminal with CoverPN:   2312 Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs...

  • Blue Sea Systems

    Blue Sea 4009 CableCap - Black 0.47 to 0.13 Stud [4009]

    Regular price $4.99 USD
    Sale price $4.99 USD Regular price $0.00 USD

    C4009 CableCap - Black 0.47 to 0.13 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: This product can expose you to...

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