Electrical - Busbars, Connectors & Insulators
Marine busbars, connectors, and insulators are essential components for creating safe, organized, and reliable electrical distribution systems onboard your vessel. Engineered for demanding freshwater and saltwater environments, these marine-grade components help manage power connections while providing secure conductivity, protection, and long-lasting performance. From positive and negative busbars, terminal blocks, power posts, cable connectors, distribution blocks, and insulated connection solutions to mounting hardware and protective covers, these products support efficient power distribution for batteries, marine electronics, lighting, pumps, and other onboard systems. Quality busbars and connectors help reduce wiring clutter, improve electrical organization, and provide dependable connections for critical equipment. Whether you're upgrading your boat's electrical system, completing a new installation, or improving power management, the right components help ensure safe and efficient operation on the water. Featuring premium products from trusted marine manufacturers, our Electrical – Busbars, Connectors & Insulators collection delivers the reliability and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal electrical connection solutions for your vessel.
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- Featured
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Vendor:Bluewater
Bluwater 5/16" Dual Stud Busbar Copper Link [312311-A-025]
- $16.61
$0.00- $16.61
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5/16" Dual Stud Busbar Copper LinkThis Dual Stud Busbar features an integrated copper link that connects both studs for continuous conductivity and efficient current distribution. Engineered for high performance, it minimizes resistance while maintaining durability in demanding electrical systems. Ideal for marine and industrial...- $16.61
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Vendor:Bluewater
Bluewater Dual Bus 10 Position Busbar 150 Amp [312723-B-022]
- $32.08
$0.00- $32.08
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Dual Bus 10 Position Busbar 150 AmpThis busbar features dual input studs for flexible routing and higher load balancing, supporting up to 150 amps across 10 positions. It’s built for clean, high-efficiency marine power setups.The Dual Bus configuration allows you to isolate or combine...- $32.08
$0.00- $32.08
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Vendor:Bluewater
Bluewater Red Cover f/4 Stud Heavy Duty Busbar [312315-B-205]
- $16.11
$0.00- $16.11
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Red Cover for 4 Stud Heavy Duty BusbarBluewater red cover for heavy-duty stud busbar, 4 gang.- $16.11
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Vendor:Bluewater
Bluewater Dual 4 Gang Busbar [313856-B-023]
- $27.50
$0.00- $27.50
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Dual 4 Gang BusbarOffering two separate 4-gang circuits in one unit, this dual terminal busbar provides flexibility for managing both positive and negative connections or isolating separate zones.Ideal for dual battery or split-load systems, this dual terminal busbar is perfect for streamlined wiring in...- $27.50
$0.00- $27.50
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Vendor:Bluewater
Bluewater Common Stud 4 Gang Negative Busbar Terminal Block [313756-B-023]
- $18.90
$0.00- $18.90
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Common Stud 4 Gang Negative Busbar Terminal BlockDesigned to simplify negative distribution, this 4-gang terminal block provides a central grounding point with a shared input stud. This negative bus bar is an excellent choice for managing battery or chassis returns in clean, reliable installations.Built...- $18.90
$0.00- $18.90
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Vendor:Bluewater
Bluewater Black Cover f/4 Stud Heavy Duty Busbar [312315-B-104]
- $16.11
$0.00- $16.11
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Black Cover for 4 Stud Heavy Duty BusbarBluewater black cover for heavy-duty stud busbar, 4 gang.- $16.11
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Vendor:Bluewater
Bluewater 14 Position Sealed FCI Molded Busbar [2314-B-000]
- $42.97
$0.00- $42.97
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14 Position Sealed FCI Molded BusbarGreat For: Reliable Marine Power Distribution, Reducing Wiring Clutter, And Handling 100a To 250a With Secure Connections.Features: Terminals: 5/16" Mounting Holes: 0.175" Distance between Mounting Holes: 4" Take 5/32" Pan Head Machine Screw Sealed IP67 Specifications: Max. Voltage: 48...- $42.97
$0.00- $42.97
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Vendor:Bluewater
Bluewater Cover f/Heavy Duty 8 Stud Busbar - Black [312315-B-108]
- $22.57
$0.00- $22.57
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Cover for Heavy Duty 8 Stud Busbar - BlackBluewater black cover for heavy-duty stud busbar, 8 gang.- $22.57
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Vendor:Bluewater
Bluewater Common Stud 4 Gang Positive Terminal Busbar w/Cover [313738-B-023]
- $18.90
$0.00- $18.90
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Common Stud 4 Gang Positive Terminal Busbar with CoverThis 4-gang positive terminal block features a common stud for shared power input. This Positive Terminal Busbar is perfect for distributing power from a single source to multiple outputs, with clear labeling for safe and simple...- $18.90
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Vendor:Bluewater
Bluewater 12 Terminal Busbar - 250 Amp [312105-B-020]
- $49.27
$0.00- $49.27
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12 Terminal Busbar - 250 AmpBuilt for high-capacity applications, this 12-terminal busbar delivers up to 250 amps of current handling. It’s ideal for distributing power to heavy loads or high-demand circuits in boats, RVs, and off-grid systems.The rugged construction ensures lasting performance in harsh...- $49.27
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Vendor:Bluewater
Bluewater 10 Terminal Busbar - 150 Amp [312301-B-020]
- $14.89
$0.00- $14.89
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10 Terminal Busbar - 150 AmpWith a 150 amp capacity, this 10-terminal electrical busbar offers efficient power distribution in mid-sized applications. It provides a durable, marine-grade solution for clean circuit organization and grounding.Designed to withstand harsh marine and industrial environments, this 10-terminal electrical busbar...- $14.89
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Vendor:Bluewater
Bluewater Common Stud Busbar 4 Gang - Red [312303-B-025]
- $18.31
$0.00- $18.31
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Common Stud Busbar 4 Gang - RedThis 4-gang common stud busbar simplifies grounding or positive distribution across multiple circuits. With a single input stud and four output studs, it’s a versatile choice for compact wiring systems.Ideal for marine, RV, and off-grid applications, this common...- $18.31
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Vendor:Bluewater
Bluewater Heavy-Duty 8 Stud Busbar [312315-B-008]
- $142.07
$0.00- $142.07
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Heavy-Duty 8 Stud BusbarBuilt for serious power distribution, this 8-stud heavy-duty busbar handles high current loads across multiple circuits. With corrosion-resistant studs and a rugged base, it’s ideal for organizing battery connections, inverter links, or grounding points in demanding marine and industrial setups.The heavy-duty...- $142.07
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Vendor:T-Spec
T-Spec VDB2 2-Position Distribution Block w/Cover [VDB2]
- $34.99
$38.99- $34.99
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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 connected securely and looking neat. You can also use this hefty little block to combine the ground...- $34.99
$38.99- $34.99
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Vendor:Blue Sea Systems
Blue Sea 2307 Common 150A BusBar - (4) 1/4"-20 Studs w/Cover [2307]
- $32.99
$46.99- $32.99
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2307 Common 150A BusBar - (4) 1/4"-20 Studs w/CoverFeatures: The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground circuits Specifications: Maximum Voltage: 300V AC / 48V DC Number of Terminal Studs: 4 Terminal Type:...- $32.99
$46.99- $32.99
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Vendor:Egis Mobile Electric
Egis 3 Hole L Shaped Busbar Connector [8793]
- $5.99
$6.80- $5.99
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3 Hole L Shaped Busbar ConnectorLink Together XD Single, Dual, and Triple XD Relays to multiple sealed fuse blocks or link fuse blocks together for compact installation.Tin-Plated Copper to ensure reliable circuit connectivity and anti-corrosive features keep it last long term.Specifications: Continuous Current (Amps):...- $5.99
$6.80- $5.99
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Vendor:Blue Sea Systems
Blue Sea 2356 Water Resistant BusBar - 100 Amp w/Cover [2356]
- $41.99
$59.99- $41.99
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2356 Water Resistant BusBar - 100 Amp with CoverProvides secure water-resistant bussing for harsh environments. The single side nesting design allows for wire entry from one side to maximize space.Features: Water-resistant design with standard ring or fork type terminals allows for simple wiring with...- $41.99
$59.99- $41.99
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Vendor:Blue Sea Systems
Blue Sea 2314 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with Cover [2314]
- $18.99
$26.99- $18.99
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MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with CoverPN: 2314 Great for limited space applications in electronics cabinets and under dashboards Snap on insulating cover attaches to studs and allows unobstructed wire access Raised bus provides easy access to multiple wires on...- $18.99
$26.99- $18.99
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Vendor:BEP Marine
BEP Pro Installer Dual Insulated Distribution Stud - 1/4" [IS-6MM-2/DSP]
- $14.99
$21.64- $14.99
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Insulated Distribution Stud, Dual 1/4" - (Black)Dual Stud Made with high temperature plastic bases Stud covers push securely over the threaded stud covering to ABYC standards Dual studs ideal for +ve / -ve connections, branch circuits, windlass or inverter installations Covers supplied with display...- $14.99
$21.64- $14.99
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Vendor:Blue Sea Systems
Blue Sea 5049 ST CLB Circuit Breaker Block Jumper - *Package of 5* [5049]
- $8.99
$10.99- $8.99
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ST CLB Circuit Breaker Block Jumper - Package of 5Specifications:5 per retail packageWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go...- $8.99
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