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.

167 products

  • 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 $9.00 USD
    Blue Sea Systems

    Blue Sea 2126 Maxibus 6 x 516-18 Stud Common [2126]

    Regular price $96.99 USD
    Sale price $96.99 USD Regular price $105.99 USD

    6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC MaximumBus Material Tin-Plated Copper CDA...

  • Blue Sea Systems

    Blue Sea 2201 Black Terminal Feed Through Connector [2201]

    Regular price $31.99 USD
    Sale price $31.99 USD Regular price $0.00 USD

    Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features: Perfect for passing high current cables through hulls,...

  • Blue Sea Systems

    Blue Sea 2202 Red Terminal Feed Through Connectors [2202]

    Regular price $31.99 USD
    Sale price $31.99 USD Regular price $0.00 USD

    Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features: Perfect for passing high current cables through hulls,...

  • 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 2003 PowerPost High Amperage Cable Connector 3/8" Stud [2003]

    Regular price $17.99 USD
    Sale price $17.99 USD Regular price $0.00 USD

    2003 PowerPost High Amperage Cable Connector 3/8" StudInsulated single stainless steel stud terminates multiple large conductors.Features: Connects high amperage cables securely Stud dimensions: 3/8" x 7/8"...

  • 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 $2.61 USD
    BEP Marine

    BEP Pro Installer Link Bar 35.5 - 42.5mm *5-Pack [779-LB-2-B5]

    Regular price $38.99 USD
    Sale price $38.99 USD Regular price $41.60 USD

    Pro Installer Link Bar 35.5 - 42.5mm *5-PackPro Installer link bars provide the fastest and most economical way of connecting the Pro Installer line of products...

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