Collection: Electrical

Dependable power starts with the right marine electrical equipment.

Explore marine electrical supplies and power-system components for maintaining, repairing and upgrading your boat's onboard electrical systems. From battery management and shore power to wiring, circuit protection and power conversion, Roam & Harbor brings together the electrical essentials you need for dependable life on the water.

Shop marine electrical wire, battery chargers, battery management equipment, shore power supplies, inverters, DC-to-DC converters, solar panels, alternators, electrical panels, circuit breakers, fuse blocks, switches, terminals, busbars, meters, monitoring equipment, electrical tools and installation accessories for sailboats, powerboats, yachts and other marine applications.

Whether you're troubleshooting an existing system, replacing an electrical component, adding new electronics or planning a larger onboard power upgrade, find marine electrical products for projects throughout your vessel.

From the dock to open water, build your electrical system with the equipment needed to stay connected, charged and ready for what comes next.

Power the boat. Prepare the journey. Adventure Starts Here.™

3920 products

  • Blue Sea Systems

    Blue Sea 5243 20A ATO/ATC Fuse [5243]

    Regular price $3.99 USD
    Sale price $3.99 USD Regular price $0.00 USD

    5243ATO/ATC Fuse20A Fast-acting type fuse ideal for electronic devices Standard circuit protection device for automobiles and trucks Tin-plated connector blades for corrosion resistance Visible indication of...

  • Blue Sea Systems

    Blue Sea 2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw Terminal [2306]

    Regular price $11.99 USD
    Sale price $11.99 USD Regular price $0.00 USD

    2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets and under dashboardsWARNING: This product can expose...

  • Blue Sea Systems

    Blue Sea 4001 Rotating Single Entry CableCap - Small Pair [4001]

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

    4001 Rotating Single Entry CableCap - Small Pair Features: Cable Size - All Pair - Red/Black Top rotates 360° to allow cable entry from any angle For...

  • Blue Sea Systems

    Blue Sea 7226 AC/DC Single Pole Magnetic World Circuit Breaker - 40AMP [7226]

    Regular price $30.99 USD
    Sale price $30.99 USD Regular price $0.00 USD

    7226 AC/DC Single Pole Magnetic World Circuit Breaker - 40AMPThe World Circuit Breaker meets all American Boat and Yacht Council (ABYC) Standards, is UL 1077 Recognized,...

  • Blue Sea Systems

    Blue Sea 4008 CableCap - Red 0.47 to 0.13 Stud [4008]

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

    4008 CableCap - Red 0.47 to 0.13 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: This product can expose you to...

  • Save $3.00 USD
    Blue Sea Systems

    Blue Sea 2723 DualBus Plus 5/16" Stud - 5 x 10 - 32 Screw Terminal [2723]

    Regular price $40.99 USD
    Sale price $40.99 USD Regular price $43.99 USD

    2723 DualBus Plus 5/16" Stud - 5 x 10 - 32 Screw TerminalFeatures: Combines negative and positive buses on one block Clear polycarbonate cover snaps on...

  • Save $101.00 USD
    Blue Sea Systems

    Blue Sea 8043 AC Main +3 Positions Toggle Circuit Breaker Panel - White Switches [8043]

    Regular price $397.99 USD
    Sale price $397.99 USD Regular price $498.99 USD

    8043 AC Main +3 Positions Toggle Circuit Breaker Panel - White SwitchesFeatures: Red reverse polarity indicating LED All hot, neutral and safety ground buses installed, fully...

  • Save $7.00 USD
    Blue Sea Systems

    Blue Sea 9003e e-Series Battery Switch Single Circuit ON/OFF [9003E]

    Regular price $52.99 USD
    Sale price $52.99 USD Regular price $59.99 USD

    9003e e-Series Battery Switch Single Circuit ON/OFF Features: CE Marked Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface or rear panel...

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