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 2402 Terminal Black 20AMP - 2 Circuit [2402]

    Regular price $6.99 USD
    Sale price $6.99 USD Regular price $0.00 USD

    2402 Terminal Black 20AMP - 2 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow...

  • Blue Sea Systems

    Blue Sea 2300 150AMP Common BusBar 10 x #8-32 Screw Terminal w/Cover [2300]

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

    2300 150AMP Common BusBar 10 x #8-32 Screw Terminal with CoverFeatures: Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs...

  • Blue Sea Systems

    Blue Sea 2101 PowerPost Plus Cable Connector - 1/4" Stud [2101]

    Regular price $33.99 USD
    Sale price $33.99 USD Regular price $0.00 USD

    2101 PowerPost Plus Cable Connector - 1/4" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Features: 150AMP bus allows...

  • Blue Sea Systems

    Blue Sea 2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal [2305]

    Regular price $24.99 USD
    Sale price $24.99 USD Regular price $0.00 USD

    2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud TerminalFeatures:Great for limited space applications in electronics cabinets and under dashboardsWARNING: This product can expose you...

  • Blue Sea Systems

    Blue Sea 2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw Terminal [2701]

    Regular price $35.99 USD
    Sale price $35.99 USD Regular price $0.00 USD

    2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw TerminalFeatures:Combines negative and positive buses on one blockWARNING: This product can expose you to chemicals including...

  • Blue Sea Systems

    Blue Sea 2203 Black Terminal Feed Through Connector [2203]

    Regular price $35.99 USD
    Sale price $35.99 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 $4.00 USD
    Blue Sea Systems

    Blue Sea 2302 150AMP Common BusBar 20 x 8-32 Screw Terminal [2302]

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

    2302 150AMP Common BusBar 20 x 8-32 Screw TerminalFeatures: The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or...

  • Blue Sea Systems

    Blue Sea 2301 150AMP Common BusBar 10 x #8-32 Screw Terminal [2301]

    Regular price $29.99 USD
    Sale price $29.99 USD Regular price $0.00 USD

    2301 150AMP Common BusBar 10 x #8-32 Screw Terminal Features: Stud design provides direct terminal to bus contact for low resistant connection Stainless steel studs and screws allow...

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