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

  • Save $5.00 USD
    Blue Sea Systems

    Blue Sea 2356 Water Resistant BusBar - 100 Amp w/Cover [2356]

    Regular price $54.99 USD
    Sale price $54.99 USD Regular price $59.99 USD

    2356 Water Resistant BusBar - 100 Amp with CoverProvides secure water-resistant bussing for harsh environments. The single side nesting design allows for wire entry from one...

  • Save $4.00 USD
    Blue Sea Systems

    Blue Sea 2307 Common 150A BusBar - (4) 1/4"-20 Studs w/Cover [2307]

    Regular price $42.99 USD
    Sale price $42.99 USD Regular price $46.99 USD

    2307 Common 150A BusBar - (4) 1/4"-20 Studs w/CoverFeatures: The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or...

  • BEP Marine

    BEP Pro Installer Insulated Stud - Single - 10mm [IST-10MM-1S]

    Regular price $21.73 USD
    Sale price $21.73 USD Regular price $0.00 USD

    Pro Installer Insulated Stud - Single - 10mmThe Pro Installer insulated studs are a smart choice for marine installers. An increased stainless steel stud length allows...

  • Blue Sea Systems

    Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]

    Regular price $22.99 USD
    Sale price $22.99 USD Regular price $0.00 USD

    PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications: Maximum Amperage: 200A Maximum Voltage: 48V DC Number of Terminal Studs: 2...

  • Save $9.63 USD
    BEP Marine

    BEP Dual Distribution Stud Module - 2 x 3/8" [702-2S]

    Regular price $55.99 USD
    Sale price $55.99 USD Regular price $65.62 USD

    Dual Distribution Stud Module - 2 x 3/8"The 702-2S was designed specifically for transom areas for connecting battery cables from outboards. It also has many other...

  • Save $41.97 USD
    BEP Marine

    BEP Pro Installer 5 Stud Bus Bar - 650A [777-BB5S-650]

    Regular price $162.99 USD
    Sale price $162.99 USD Regular price $204.96 USD

    Busbar HD 5 Stud 650A MC5Pro Installer buss bars are designed for flexibility and scalability. The snap-out side skirts allow for additional cable entry, and radius...

  • BEP Marine

    BEP Pro Installer Terminal Block - 6 Way - 30A [TB-118-6P/DSP]

    Regular price $17.51 USD
    Sale price $17.51 USD Regular price $0.00 USD

    BEP Pro Installer Terminal Block - 6 Way - 30AThis terminal block is ideal for isolated connections up to 30A and suitable for connecting tails from...

  • BEP Marine

    BEP Pro Installer Single Insulated Distribution Stud - 1/4" [IS-6MM-1/DSP]

    Regular price $16.69 USD
    Sale price $16.69 USD Regular price $0.00 USD

    Insulated Distribution Stud, Single 1/4"Insulated Distribution Stud, Single 1/4" - Made with high temperature plastic bases Stud covers push securely over the threaded stud covering to...

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