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 $6.75 USD
    Victron Energy

    Victron Busbar to Connect 5 Mega Fuse Holders - Busbar Only Fuse Holders Sold Separately [CIP100400060]

    Regular price $38.25 USD
    Sale price $38.25 USD Regular price $45.00 USD

    Busbar to Connect 5 Mega Fuse Holders Busbar Only Fuse Holders Sold SeparatelyPlease contact your dealer for any returns, repairs or support issues related to this product....

  • Save $8.40 USD
    Victron Energy

    Victron Busbar 250A 2P w/6 Screws Cover [VBB125020620]

    Regular price $47.60 USD
    Sale price $47.60 USD Regular price $56.00 USD

    Busbar 250A 2P with 6 Screws & CoverBusbars are used for high current distribution and at the same time they provide connections for batteries and/or DC...

  • Save $4.00 USD
    T-Spec

    T-Spec VDB2 2-Position Distribution Block w/Cover [VDB2]

    Regular price $34.99 USD
    Sale price $34.99 USD Regular price $38.99 USD

    VDB2 2-Position Distribution Block with CoverT-Spec designed their VDB2 distribution block to handle the high-current power distribution for two (2) power sources while keeping your wiring...

  • Save $4.00 USD
    T-Spec

    T-Spec VDB4 4-Position Distribution Block w/Cover [VDB4]

    Regular price $35.99 USD
    Sale price $35.99 USD Regular price $39.99 USD

    VDB4 4-Position Distribution Block with CoverT-Spec designed their VDB4 distribution block to handle the high-current power distribution for four (4) power sources while keeping your wiring...

  • Save $4.00 USD
    T-Spec

    T-Spec VPNB2 MANL 2 Position All-In-One Distribution Block w/Cover [VPNB2]

    Regular price $35.99 USD
    Sale price $35.99 USD Regular price $39.99 USD

    VPNB2 MANL 2 Position All-In-One Distribution Block with CoverT-Spec designed VPNB2 distribution block to handle the high-current power and ground distribution for two (2) power sources,...

  • Save $5.00 USD
    T-Spec

    T-Spec 8 Position Battery Terminal - POS/NEG [VBTPN]

    Regular price $42.99 USD
    Sale price $42.99 USD Regular price $47.99 USD

    8 Position Battery Terminal - POS/NEGThe VBTPN is an eight-position battery terminal that can accept up to (4) 4/8/10 AWG set screw outputs and (4) 1/0...

  • Save $6.00 USD
    T-Spec

    T-Spec VFDB4 MANL 4 Position Distribution Block w/Cover [VFDB4]

    Regular price $49.99 USD
    Sale price $49.99 USD Regular price $55.99 USD

    VFDB4 MANL 4 Position Distribution Block with CoverThis compact distribution block from T-Spec will handle the high-current power distribution for your single source to four (4)...

  • Save $7.95 USD
    Victron Energy

    Victron Busbar to Connect 6 Modular Holders [CIP100400070]

    Regular price $45.05 USD
    Sale price $45.05 USD Regular price $53.00 USD

    Busbar to Connect 6 Modular HoldersFeatures: Six position high current bus bar (1500 A) With two M10 input connections. Input current up to 2000 A. Recommended...

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