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 $7.48 USD
    BEP Marine

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

    Regular price $43.99 USD
    Sale price $43.99 USD Regular price $51.47 USD

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

  • Newmar Power

    Newmar BB-5 Bus Bar [BB-5]

    Regular price $138.00 USD
    Sale price $138.00 USD Regular price $0.00 USD

    BB-5 Bus BarIdeal as a DC ground tie point or positive bus, this heavy-duty, 500-amp-rated bus bar assembly features 5/16 in. studs on 1 in. center...

  • Save $3.25 USD
    BEP Marine

    BEP Pro Installer Bus Bar - 6 Way - 100A [BB-6W-2S/DSP]

    Regular price $42.99 USD
    Sale price $42.99 USD Regular price $46.24 USD

    Bus Bar - 6 Way/100A with 2 Input Studs (with Red and Black)BEP bus bars include tin-plated, brass-insulated mounting bases and flame-resistant flexible plastic covers. The...

  • Save $1.72 USD
    BEP Marine

    BEP Pro Installer Double Insulated Stud - 10mm [IST-10MM-2S]

    Regular price $33.99 USD
    Sale price $33.99 USD Regular price $35.71 USD

    10mm Double Instulated StudThe Pro Installer insulated studs are a smart choice for marine installers. An increased stainless steel stud length allows up to three cable...

  • Save $5.00 USD
    T-Spec

    T-Spec 4 Position Battery Terminal - POS/NEG [V-BATT-TML]

    Regular price $39.99 USD
    Sale price $39.99 USD Regular price $44.99 USD

    4 Position Battery Terminal - POS/NEGThe V-BATT-TML is a four-position battery terminal that can accept up to (2) 1/0 AWG and (2) 4 AWG, down to...

  • Bluewater

    Bluewater Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" Stud [2314-D-256]

    Regular price $55.00 USD
    Sale price $55.00 USD Regular price $0.00 USD

    Dual 12 Position Male Sealed Deutsch Connector Busbar - 5/16" StudThis sealed dual-input busbar features 12 positions for Deutsch DT connectors, offering secure, waterproof connections for...

  • Newmar Power

    Newmar BB-2 Bus Bar [BB-2]

    Regular price $75.00 USD
    Sale price $75.00 USD Regular price $0.00 USD

    BB-2 Bus BarIdeal as a DC ground tie point or positive bus, this heavy-duty, 500-amp-rated bus bar assembly features 5/16 in. studs on 1 in. center...

  • Egis Mobile Electric

    Egis XD Relay Cross-Over Bus Bar [8791]

    Regular price $13.40 USD
    Sale price $13.40 USD Regular price $0.00 USD

    XD Relay Cross-Over Bus BarThe XD Relay Cross-Over Bus Bar allows users to link together Egis XD Single, Dual, and Triple XD Relays to each other...

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