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 2502 Terminal Block 30AMP - 2 Circuit [2502]

    Regular price $7.99 USD
    Sale price $7.99 USD Regular price $0.00 USD

    2502 Terminal Block 30AMP - 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 2504 Terminal Block 30AMP - 4 Circuit [2504]

    Regular price $9.99 USD
    Sale price $9.99 USD Regular price $0.00 USD

    2504 Terminal Block 30AMP - 4 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 2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw Terminal [2702]

    Regular price $37.99 USD
    Sale price $37.99 USD Regular price $0.00 USD

    2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw TerminalFeatures: Combines negative and positive buses on one block Tin-Plated Copper CDA 110 / UNS 11000 UL...

  • Blue Sea Systems

    Blue Sea 2715 Cover f/BusBar 2301 2303 [2715]

    Regular price $5.99 USD
    Sale price $5.99 USD Regular price $0.00 USD

    2715 Cover for BusBar 2301 & 2303Features:Weight: 0.08lb (0.04 kg)WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State...

  • Blue Sea Systems

    Blue Sea 4010 CableCap - Red 0.70 to 0.30 Stud [4010]

    Regular price $4.99 USD
    Sale price $4.99 USD Regular price $0.00 USD

    4010 CableCap - Red 0.70 to 0.30 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: This product can expose you to...

  • Blue Sea Systems

    Blue Sea 2102 PowerPost Plus Cable Connector - 5/16" Stud [2102]

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

    2102 PowerPost Plus Cable Connector - 5/16" StudEnables connection of multiple smaller wires in spaces where a traditional bus bar may not fit.Features: 150 Ampere bus...

  • Blue Sea Systems

    Blue Sea 9216 Terminal Block Jumper f/2600 Series Blocks - *Package of 5* [9216]

    Regular price $5.99 USD
    Sale price $5.99 USD Regular price $0.00 USD

    9216 Terminal Block Jumper for 2600 Series Blocks - Package of 5Features: Jumpers allow creation of common circuits on independent connectors Fits 65AMP terminal blocks (2600...

  • Blue Sea Systems

    Blue Sea 2602 Terminal Block 65AMP - 2 Circuit [2602]

    Regular price $12.99 USD
    Sale price $12.99 USD Regular price $0.00 USD

    2602 Terminal Block 65AMP - 2 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated circuit Jumpers allow...

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