Busbars, Connectors & Insulators

View our list of the best brands of Marine Busbars, Connectors & Insulators and then purchase your Busbars, Connectors & Insulators at discount prices from CE Marine.

We offer flat rate shipping and can help you locate hard to find items or we can recommend alternatives.

Call us today at 1-414-254-1559 for personalized service and help locating / replacing hard to find marine electrical equipment.

Blue Sea 2716 Cover f/BusBar 2302 [2716]
Save 32%
$8.87
$5.99

Blue Sea 2716 Cover f/BusBar 2302 [2716]

Blue Sea Systems

Cover for Busbar The industry standard busbar for positive distribution The industry standard busbar for the collection of negative or AC ground ...

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$8.87
$5.99
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Blue Sea 4009 CableCap - Black 0.47 to 0.13 Stud [4009]
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$3.31
$2.99

Blue Sea 4009 CableCap - Black 0.47 to 0.13 Stud [4009]

Blue Sea Systems

C4009 CableCap - Black 0.47 to 0.13 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage device...

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$3.31
$2.99
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Blue Sea 4008 CableCap - Red 0.47 to 0.13 Stud [4008]
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$3.31
$2.99

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

Blue Sea Systems

4008 CableCap - Red 0.47 to 0.13 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWA...

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$3.31
$2.99
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Blue Sea 4014 CableCap - Red 1.25 to 0.70 [4014]
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$4.37
$3.99

Blue Sea 4014 CableCap - Red 1.25 to 0.70 [4014]

Blue Sea Systems

4014 CableCap - Red 1.25 to 0.70Features:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING...

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$4.37
$3.99
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Blue Sea 2508 Terminal Block 30AMP - 8 Circuit [2508]
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$12.69
$8.99

Blue Sea 2508 Terminal Block 30AMP - 8 Circuit [2508]

Blue Sea Systems

2508 Terminal Block 30AMP - 8 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...

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$12.69
$8.99
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Blue Sea 4015 CableCap - Black 1.25 to 0.70 [4015]
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$4.37
$3.99

Blue Sea 4015 CableCap - Black 1.25 to 0.70 [4015]

Blue Sea Systems

CableCap - Black 1.25 to 0.70Features:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: T...

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$4.37
$3.99
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Blue Sea 4010 CableCap - Red 0.70 to 0.30 Stud [4010]
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$3.48
$2.99

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

Blue Sea Systems

4010 CableCap - Red 0.70 to 0.30 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWA...

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$3.48
$2.99
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Blue Sea 2202 Red Terminal Feed Through Connectors [2202]
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$29.41
$20.99

Blue Sea 2202 Red Terminal Feed Through Connectors [2202]

Blue Sea Systems

Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...

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$29.41
$20.99
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Blue Sea 4002 Cable Cap Dual Entry - Black [4002]
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$9.08
$6.99

Blue Sea 4002 Cable Cap Dual Entry - Black [4002]

Blue Sea Systems

Dual Entry PowerPost Cable Insulator, BlackPart# 4002 Protects against accidental short circuits Top lid allows for easy access to connection poi...

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$9.08
$6.99
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Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]
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$17.64
$12.99

Blue Sea 2001 Power Post High Amperage Cable Connector 1/4" Stud [2001]

Blue Sea Systems

PowerPost High Amperage Cable Connector 1/4" StudFeatures: Connects high amperage cables securely Glass-Reinforced Nylon 48 Volts DC Maximum Not r...

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$17.64
$12.99
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Blue Sea 2126 Maxibus 6 x 516-18 Stud Common [2126]
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$105.92
$54.99

Blue Sea 2126 Maxibus 6 x 516-18 Stud Common [2126]

Blue Sea Systems

6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage t250 Amperes AC/DCVoltage Rating t300 Volts AC Maximum / 48 Volts DC Maximu...

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$105.92
$54.99
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Blue Sea 2201 Black Terminal Feed Through Connector [2201]
Save 29%
$29.41
$20.99

Blue Sea 2201 Black Terminal Feed Through Connector [2201]

Blue Sea Systems

Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...

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$29.41
$20.99
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Blue Sea 2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal [2305]
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$25.46
$12.99

Blue Sea 2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal [2305]

Blue Sea Systems

2305 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud TerminalFeatures:Great for limited space applications in electronics cabinets and under dashb...

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$25.46
$12.99
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Blue Sea 2314 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with Cover [2314]
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$26.63
$13.99

Blue Sea 2314 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with Cover [2314]

Blue Sea Systems

MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal with CoverPN:   2314 Great for limited space applications in electronics cabinets and und...

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$26.63
$13.99
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Blue Sea 2302 150AMP Common BusBar 20 x 8-32 Screw Terminal [2302]
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$47.07
$24.99

Blue Sea 2302 150AMP Common BusBar 20 x 8-32 Screw Terminal [2302]

Blue Sea Systems

2302 150AMP Common BusBar 20 x 8-32 Screw TerminalFeatures: The industry standard busbar for positive distribution The industry standard busbar fo...

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$47.07
$24.99
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Blue Sea 2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal [2304]
Save 48%
$23.10
$11.99

Blue Sea 2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw Terminal [2304]

Blue Sea Systems

2304 MiniBus 100 Ampere Common BusBar 5 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets and under dashb...

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$23.10
$11.99
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Blue Sea 4012 CableCap - Red 0.50 Stud [4012]
Save 26%
$4.03
$2.99

Blue Sea 4012 CableCap - Red 0.50 Stud [4012]

Blue Sea Systems

4012 CableCap - Red 0.50 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING: T...

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$4.03
$2.99
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Blue Sea 2300 150AMP Common BusBar 10 x #8-32 Screw Terminal w/Cover [2300]
Save 46%
$34.87
$18.99

Blue Sea 2300 150AMP Common BusBar 10 x #8-32 Screw Terminal w/Cover [2300]

Blue Sea Systems

2300 150AMP Common BusBar 10 x #8-32 Screw Terminal with CoverFeatures: Stud design provides direct terminal to bus contact for low resistant conn...

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$34.87
$18.99
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Blue Sea 4011 CableCap - Black 0.70 to 0.30 Stud [4011]
Save 14%
$3.48
$2.99

Blue Sea 4011 CableCap - Black 0.70 to 0.30 Stud [4011]

Blue Sea Systems

4011 CableCap - Black 0.70 to 0.30 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devices...

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$3.48
$2.99
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Blue Sea 2722 DualBus Plus 1/4" Stud, 5 x 10-32 Screw Terminal [2722]
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$38.40
$26.99

Blue Sea 2722 DualBus Plus 1/4" Stud, 5 x 10-32 Screw Terminal [2722]

Blue Sea Systems

2722 DualBus Plus 1/4" Stud, 5 x 10-32 Screw TerminalFeatures: Combines negative and positive buses on one block Clear polycarbonate cover snaps o...

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$38.40
$26.99
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Blue Sea 4003 Cable Cap Dual Entry - Red [4003]
Save 23%
$9.08
$6.99

Blue Sea 4003 Cable Cap Dual Entry - Red [4003]

Blue Sea Systems

Dual Entry PowerPost Cable Insulator, RedPart# 4003 Protects against accidental short circuits Top lid allows for easy access to connection point...

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$9.08
$6.99
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Blue Sea 2151 Terminal Fuse Block - 3/8" Mounting Hole - 2 Terminal Studs [2151]
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$46.27
$31.99

Blue Sea 2151 Terminal Fuse Block - 3/8" Mounting Hole - 2 Terminal Studs [2151]

Blue Sea Systems

2151Features: New isolated stud design uses standard 5/16" hardware and permits stacking of terminals Compact, high-amp fuse-Appropriate for DC ...

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$46.27
$31.99
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Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]
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$17.64
$12.99

Blue Sea 2002 PowerPost High Amperage Cable Connector 5/16" Stud [2002]

Blue Sea Systems

2002 PowerPost High Amperage Cable Connector 5/16" Stud Insulated single stainless steel stud terminates multiple large conductors.Features: Conne...

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$17.64
$12.99
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Blue Sea 2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud Terminal [2104]
Save 31%
$145.40
$99.99

Blue Sea 2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud Terminal [2104]

Blue Sea Systems

2104 PowerBar 600AMP Cable Connector 4 x 3/8 16 Stud TerminalSpecifications: Max Voltage: 300 V AC/48 V DC Number of Terminal Studs: 4 Terminal Ty...

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$145.40
$99.99
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Blue Sea 2203 Black Terminal Feed Through Connector [2203]
Save 30%
$33.05
$22.99

Blue Sea 2203 Black Terminal Feed Through Connector [2203]

Blue Sea Systems

Terminal Feed Through ConnectorsEliminates chage and provides strain relief when passing high current through hulls, decks and bulkheads.Features:...

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$33.05
$22.99
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Blue Sea 4017 Straight Terminal CableCap - Large [4017]
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$5.55
$3.99

Blue Sea 4017 Straight Terminal CableCap - Large [4017]

Blue Sea Systems

4017 Straight Terminal CableCap - LargeInsulates battery terminals which have standard automotive posts.Features:Designed to fit standard automoti...

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$5.55
$3.99
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Blue Sea 2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw Terminal [2701]
Save 46%
$29.41
$15.99

Blue Sea 2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw Terminal [2701]

Blue Sea Systems

2701 DualBus 100 Ampere Common BusBars 5 x 8-32 Screw TerminalFeatures:Combines negative and positive buses on one blockWARNING: This product can ...

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$29.41
$15.99
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Blue Sea 2406 Terminal Block 20AMP - 6 Circuit [2406]
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$8.22
$5.99

Blue Sea 2406 Terminal Block 20AMP - 6 Circuit [2406]

Blue Sea Systems

2406 Terminal Block 20AMP - 6 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...

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$8.22
$5.99
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Blue Sea 2718 Maxibus Cover f/2105 & 2106 [2718]
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$45.46
$31.99

Blue Sea 2718 Maxibus Cover f/2105 & 2106 [2718]

Blue Sea Systems

Maxibus CoverPart# 2718Cover for 2105 & 2106WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which...

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$45.46
$31.99
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Blue Sea 2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw Terminal [2702]
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$38.40
$19.99

Blue Sea 2702 DualBus 100AMP Common BusBar 10 x 8-32 Screw Terminal [2702]

Blue Sea Systems

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

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$38.40
$19.99
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Blue Sea 1003 CableClam 1.39" [1003]
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$26.76
$18.99

Blue Sea 1003 CableClam 1.39" [1003]

Blue Sea Systems

1003 CableClam 1.39" Features: Perfect for antenna installation Waterproof co-axial installation without removing connectors Save the expense of r...

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$26.76
$18.99
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Blue Sea 2710 Cover f/DualBus 2702 [2710]
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$20.11
$13.99

Blue Sea 2710 Cover f/DualBus 2702 [2710]

Blue Sea Systems

2710 Cover for DualBus 2702Specifications: Length: 6-3/8" Height: 7/8" Width: 2-3/8" Weight: 0.04lb WARNING: This product can expose you to chemic...

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$20.11
$13.99
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Blue Sea 9218 Terminal Block Jumpers f/2400 Series Blocks [9218]
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$5.34
$3.99

Blue Sea 9218 Terminal Block Jumpers f/2400 Series Blocks [9218]

Blue Sea Systems

9218 Terminal Block Jumpers for 2400 Series BlocksFeatures: Jumpers allow creation of common circuits on independent connectors Fits 20 AMP termin...

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$5.34
$3.99
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Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]
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$11.76
$8.99

Blue Sea 2011 PowerPost Mini High Amperage Cable Connector - 1/4" Stud [2011]

Blue Sea Systems

2011 PowerPost Mini High Amperage Cable Connector - 1/4" StudInsulated single stainless steel stud terminates multiple large conductors.Features: ...

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$11.76
$8.99
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Blue Sea 9217 Terminal Block Jumpers f/2500 Series Blocks [9217]
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$5.34
$3.99

Blue Sea 9217 Terminal Block Jumpers f/2500 Series Blocks [9217]

Blue Sea Systems

9217 Terminal Block Jumpers for 2500 Series BlocksFeatures: Jumpers allow creation of common circuits on independent connectors Fits 30 Ampere ter...

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$5.34
$3.99
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Blue Sea 5049 ST CLB Circuit Breaker Block Jumper [5049]
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$6.54
$4.99

Blue Sea 5049 ST CLB Circuit Breaker Block Jumper [5049]

Blue Sea Systems

ST CLB Circuit Breaker Block JumperWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to ...

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$6.54
$4.99
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Blue Sea 2715 Cover f/BusBar 2301  2303 [2715]
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$5.34
$3.99

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

Blue Sea Systems

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

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$5.34
$3.99
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Blue Sea 2512 Terminal Block 30AMP - 12 Circuit [2512]
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$16.69
$11.99

Blue Sea 2512 Terminal Block 30AMP - 12 Circuit [2512]

Blue Sea Systems

2512 Terminal Block 30AMP - 12 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...

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$16.69
$11.99
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Blue Sea 2504 Terminal Block 30AMP - 4 Circuit [2504]
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$8.10
$5.99

Blue Sea 2504 Terminal Block 30AMP - 4 Circuit [2504]

Blue Sea Systems

2504 Terminal Block 30AMP - 4 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...

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$8.10
$5.99
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Blue Sea 2604 Terminal Block 65AMP - 4 Circuit [2604]
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$15.64
$10.99

Blue Sea 2604 Terminal Block 65AMP - 4 Circuit [2604]

Blue Sea Systems

2604 Terminal Block 65AMP - 4 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...

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$15.64
$10.99
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Blue Sea 2410 Terminal Block 20AMP - 10 Circuit [2410]
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$12.69
$8.99

Blue Sea 2410 Terminal Block 20AMP - 10 Circuit [2410]

Blue Sea Systems

2410 Terminal Block 20AMP - 10 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...

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$12.69
$8.99
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Blue Sea 2502 Terminal Block 30AMP - 2 Circuit [2502]
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$6.52
$4.99

Blue Sea 2502 Terminal Block 30AMP - 2 Circuit [2502]

Blue Sea Systems

2502 Terminal Block 30AMP - 2 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...

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$6.52
$4.99
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Blue Sea 2404 Terminal Black 20AMP - 4 Circuit [2404]
Save 16%
$5.92
$4.99

Blue Sea 2404 Terminal Black 20AMP - 4 Circuit [2404]

Blue Sea Systems

2404 Terminal Black 20AMP - 4 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolat...

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$5.92
$4.99
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Blue Sea 2713 Minibus Cover [2713]
Save 19%
$4.91
$3.99

Blue Sea 2713 Minibus Cover [2713]

Blue Sea Systems

Cover for 2304 and 2305Great for limited space applicationsBase Material: Reinforced PolycarbonateCover Material: Clear PolycarbonateContinuous ...

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$4.91
$3.99
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Blue Sea 5503 ANL 750 Fuse Block w/ Cover [5503]
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$68.94
$47.99

Blue Sea 5503 ANL 750 Fuse Block w/ Cover [5503]

Blue Sea Systems

5503 Cover included Accepts 5/16" (M8) ring terminals For use on systems up to 32 Volts DC Swing out design allows replacement of the fuse without...

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$68.94
$47.99
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Blue Sea 2307 Common 150A BusBar - (4) 1/4"-20 Studs w/Cover [2307]
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$46.75
$23.99

Blue Sea 2307 Common 150A BusBar - (4) 1/4"-20 Studs w/Cover [2307]

Blue Sea Systems

2307 Common 150A BusBar - (4) 1/4"-20 Studs w/CoverFeatures: The industry standard busbar for positive distribution The industry standard busbar f...

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$46.75
$23.99
Save 49%
Blue Sea 2127 Maxibus 4 x 516-18 Stud Common [2127]
Save 47%
$67.93
$35.99

Blue Sea 2127 Maxibus 4 x 516-18 Stud Common [2127]

Blue Sea Systems

4 x 5⁄16- 18 Stud TerminalPart# 2127 SpecificationsContinuous Amperage t250 Amperes AC/DCVoltage Rating t300 Volts AC Maximum / 48 Volts DC Maximu...

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$67.93
$35.99
Save 47%
Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]
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$28.88
$19.99

Blue Sea 2018 Dual PowerPost Cable Connectors - 1 X 5/16" - 1 X 3/8" [2018]

Blue Sea Systems

Dual PowerPost Connectors Designed for outboard engine installation when factory cables need to be extended Includes one black and one red insula...

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$28.88
$19.99
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