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

  • Bluewater

    Bluewater Dual Deutsch DTP 4 Position Busbar - 5/16" Studs [2324-D-056]

    Regular price $41.25 USD
    Sale price $41.25 USD Regular price $0.00 USD

    Dual Deutsch DTP 4 Position Busbar - 5/16" StudsWith 4 positions for Deutsch DTP connectors, this sealed busbar delivers high-current capacity with protected terminations. It’s built...

  • Save $0.03 USD
    BEP Marine

    BEP Pro Installer Link Joiner 5-Way [779-LBJ-5]

    Regular price $27.99 USD
    Sale price $27.99 USD Regular price $28.02 USD

    Pro Installer Link Joiner 5-WayThis tin-plated bus bar can be used to link 5 adjacent DC products together.  The rating varies from 400-650 Amps, depending on...

  • Save $28.01 USD
    Egis Mobile Electric

    Egis MaxiBus - 6 5/16" Studs - 250 AMP [6250-600]

    Regular price $42.99 USD
    Sale price $42.99 USD Regular price $71.00 USD

    MaxiBus - 6 5/16" Studs - 250 AMPThe Egis Mobile Electric 6250-600 is a 250A-rated MaxiBus power distribution block featuring six 5/16" (M8) studs, designed for...

  • Blue Sea Systems

    Blue Sea 2708 BusBar Cover f/PowerBar 2104 [2708]

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

    2708 BusBar Cover for PowerBar 2104Specifications:Dimensions: 8.500" x 3.375" x 2.750"WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the...

  • 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,...

  • Blue Sea Systems

    Blue Sea 2204 Red Terminal Feed Through Connector [2204]

    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,...

  • Blue Sea Systems

    Blue Sea 2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal [2304]

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

    2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets and under dashboardsWARNING: This product can expose you...

  • Save $9.50 USD
    BEP Marine

    BEP Pro Installer Bus Bar - 12 Way - 2 x 100A [BB-12W-2NC/DSP]

    Regular price $57.99 USD
    Sale price $57.99 USD Regular price $67.49 USD

    Multi Purpose Bus Bar, 12 Way/2 x 100A (with covers)BEP bus bars include tin-plated, brass-insulated mounting bases and flame-resistant flexible plastic covers. The covers are color-coded...

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