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 $2.37 USD
    BEP Marine

    BEP Pro Installer Single Insulated Stud w/Power Tap Plate - 10mm [IST-10MM-1SPT]

    Regular price $34.99 USD
    Sale price $34.99 USD Regular price $37.36 USD

    Single 10mm Insulated Stud with Power Tap PlateThe Pro Installer insulated studs are a smart choice for marine installers. An increased stainless steel stud length allows...

  • Save $1.99 USD
    BEP Marine

    BEP ATC Bus bar - 6 Way - 5mm Input Stud [80-712-0039-00]

    Regular price $30.99 USD
    Sale price $30.99 USD Regular price $32.98 USD

    ATC Six Way Bus Bar with 5mm Input StudThe ATC Negative Bus uses the BEP Contour lock system to allow it to be joined to the...

  • Blue Sea Systems

    Blue Sea 2340 Battery Terminal Mount BusBars [2340]

    Regular price $34.99 USD
    Sale price $34.99 USD Regular price $0.00 USD

    Battery Terminal Mount BusBarsEasy to install.Specifications: Maximum Voltage: 32V DC Continuous Rating: 100A DC Bus Material: Tin-Plated Copper C11000 Mounting Hole: Clearance for 3/8 [M10] stud...

  • Save $34.00 USD
    Blue Sea Systems

    Blue Sea PowerBar 1000 - 8 5/16" Terminal Studs w/Cover [1992]

    Regular price $201.99 USD
    Sale price $201.99 USD Regular price $235.99 USD

    PowerBar 1000 - 8 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBar 1000 offers a 1,000...

  • Save $59.00 USD
    Blue Sea Systems

    Blue Sea PowerBar 1000 - 12 5/16" Terminal Studs w/Cover [1993]

    Regular price $236.99 USD
    Sale price $236.99 USD Regular price $295.99 USD

    PowerBar 1000 - 12 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBar 1000 offers a 1,000...

  • Save $59.00 USD
    Blue Sea Systems

    Blue Sea PowerBar 1000 - 12 3/8" Terminal Studs w/Cover [1991]

    Regular price $236.99 USD
    Sale price $236.99 USD Regular price $295.99 USD

    PowerBar 1000 - 12 3/8" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBar 1000 offers a 1,000...

  • Blue Sea Systems

    Blue Sea 5049 ST CLB Circuit Breaker Block Jumper - *Package of 5* [5049]

    Regular price $10.99 USD
    Sale price $10.99 USD Regular price $0.00 USD

    ST CLB Circuit Breaker Block Jumper - Package of 5Specifications:5 per retail packageWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known...

  • Save $5.00 USD
    Blue Sea Systems

    Blue Sea 2128 Maxibus 6 x #10-24(Screws) w/2 x 516"(Studs) [2128]

    Regular price $61.99 USD
    Sale price $61.99 USD Regular price $66.99 USD

    2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC MaximumBus...

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