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 4018 Square CableCap Insulators Pair RedBlack 4018
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$12.99
$8.99

Blue Sea 4018 Square CableCap Insulators Pair Red/Black [4018]

Blue Sea Systems

Square CableCap Insulators Pair Red/BlackSquare CableCap insulators - Cable size 1/0Pair: 1 Red/1 BlackWARNING: This product can expose you to che...

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$12.99
$8.99
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Blue Sea 2202 Red Terminal Feed Through Connectors 2202
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$35.99
$23.99

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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$35.99
$23.99
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Blue Sea 2610 Terminal Block 65AMP  10 Circuit 2610
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$43.99
$29.99

Blue Sea 2610 Terminal Block 65AMP - 10 Circuit [2610]

Blue Sea Systems

2610 Terminal Block 65AMP - 10 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isola...

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$43.99
$29.99
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Blue Sea 2020 PowerBar Dual BusBar  Two 3816 Studs 2020
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$25.99
$16.99

Blue Sea 2020 PowerBar Dual BusBar - Two 3/8"-16 Studs [2020]

Blue Sea Systems

PowerBar Dual BusBar - Two 3/8"-16 StudsProvides compact high-ampere busing with 3/8" terminal studsSpecifications: Maximum Amperage: 200A Maximu...

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$25.99
$16.99
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Blue Sea 2356100  Water Resistant 100A Busbar wCover 2356100
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$56.99
$37.99

Blue Sea 2356100 - Water Resistant 100A Busbar w/Cover [2356100]

Blue Sea Systems

2356100 - Water Resistant 100A Busbar with CoverWater-resistant bussing for harsh environments.  Built with wing screws for toolless access.Featur...

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$56.99
$37.99
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Blue Sea 2356 Water Resistant BusBar  100 Amp wCover 2356
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$54.99
$36.99

Blue Sea 2356 Water Resistant BusBar - 100 Amp w/Cover [2356]

Blue Sea Systems

2356 Water Resistant BusBar - 100 Amp with CoverProvides secure water-resistant bussing for harsh environments. The single side nesting design all...

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$54.99
$36.99
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Blue Sea 2307 Common 150A BusBar  4 1420 Studs wCover 2307
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$38.99
$25.99

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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$38.99
$25.99
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Blue Sea 2340 Battery Terminal Mount BusBars 2340
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$38.99
$25.99

Blue Sea 2340 Battery Terminal Mount BusBars [2340]

Blue Sea Systems

Battery Terminal Mount BusBarsEasy to install.Specifications: Maximum Voltage: 32V DC Continuous Rating: 100A DC Bus Material: Tin-Plated Cop...

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$38.99
$25.99
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Blue Sea PowerBar 1000  8 516 Terminal Studs wCover 1992
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$265.99
$174.99

Blue Sea PowerBar 1000 - 8 5/16" Terminal Studs w/Cover [1992]

Blue Sea Systems

PowerBar 1000 - 8 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBa...

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$265.99
$174.99
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Blue Sea PowerBar 1000  8 38 Terminal Studs wCover 1990
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$265.99
$174.99

Blue Sea PowerBar 1000 - 8 3/8" Terminal Studs w/Cover [1990]

Blue Sea Systems

PowerBar 1000 - 8 3/8" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBar...

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$265.99
$174.99
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Blue Sea PowerBar 1000  12 516 Terminal Studs wCover 1993
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$331.99
$218.99

Blue Sea PowerBar 1000 - 12 5/16" Terminal Studs w/Cover [1993]

Blue Sea Systems

PowerBar 1000 - 12 5/16" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerB...

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$331.99
$218.99
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Blue Sea PowerBar 1000  12 38 Terminal Studs wCover 1991
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$331.99
$218.99

Blue Sea PowerBar 1000 - 12 3/8" Terminal Studs w/Cover [1991]

Blue Sea Systems

PowerBar 1000 - 12 3/8" Terminal Studs w/CoverComplex wiring systems require a single point to consolidate large and small conductors. The PowerBa...

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$331.99
$218.99
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Blue Sea 5049 ST CLB Circuit Breaker Block Jumper  Package of 5 5049
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$9.99
$6.99

Blue Sea 5049 ST CLB Circuit Breaker Block Jumper - *Package of 5* [5049]

Blue Sea Systems

ST CLB Circuit Breaker Block Jumper - Package of 5Specifications:5 per retail packageWARNING: This product can expose you to chemicals including d...

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$9.99
$6.99
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Blue Sea 2126 Maxibus 6 x 51618 Stud Common 2126
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$89.99
$59.99

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

Blue Sea Systems

6 x 5⁄16- 18 Stud TerminalPart# 2126 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC Maximu...

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$89.99
$59.99
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Blue Sea 2719 Maxibus Cover f2127  2128 2719
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$42.99
$28.99

Blue Sea 2719 Maxibus Cover f/2127 & 2128 [2719]

Blue Sea Systems

Maxibus CoverPart# 2719Cover for 2127 & 2128WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which...

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$42.99
$28.99
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Blue Sea 2127 Maxibus 4 x 51618 Stud Common 2127
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$69.99
$46.99

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

Blue Sea Systems

4 x 5⁄16- 18 Stud TerminalPart# 2127 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC Maximum / 48 Volts DC Maximu...

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$69.99
$46.99
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Blue Sea 2128 Maxibus 6 x 1024Screws w2 x 516Studs 2128
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$55.99
$36.99

Blue Sea 2128 Maxibus 6 x #10-24(Screws) w/2 x 516"(Studs) [2128]

Blue Sea Systems

2 x 5⁄16"- 18 Stud Terminal6 x#10-24 Terminal Screws Part# 2128 SpecificationsContinuous Amperage 250 Amperes AC/DCVoltage Rating 300 Volts AC M...

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$55.99
$36.99
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Blue Sea 4003 Cable Cap Dual Entry  Red 4003
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$12.99
$8.99

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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$12.99
$8.99
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Blue Sea 4002 Cable Cap Dual Entry  Black 4002
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$12.99
$8.99

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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$12.99
$8.99
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Blue Sea 2718 Maxibus Cover f2105  2106 2718
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$50.99
$33.99

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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$50.99
$33.99
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Blue Sea 2151 Terminal Fuse Block  38 Mounting Hole  2 Terminal Studs 2151
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$62.99
$41.99

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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$62.99
$41.99
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Blue Sea 5503 ANL 750 Fuse Block w Cover 5503
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$77.99
$51.99

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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$77.99
$51.99
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Blue Sea 2019 PowerBar Common BusBar  Dual 38 x 16 2019
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$34.99
$23.99

Blue Sea 2019 PowerBar Common BusBar - Dual 3/8" x 16 [2019]

Blue Sea Systems

PowerBar Common BusBarTerminal Studs: 2x3/8"-16Provides compact high-ampere busing with 3/8" terminal studsWARNING: This product can expose you to...

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$34.99
$23.99
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Blue Sea 2018 Dual PowerPost Cable Connectors  1 X 516  1 X 38 2018
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$31.99
$21.99

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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$31.99
$21.99
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Blue Sea 2016 Dual PowerPost Cable Connectors  2 X 516 2016
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$31.99
$21.99

Blue Sea 2016 Dual PowerPost Cable Connectors - 2 X 5/16" [2016]

Blue Sea Systems

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...

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$31.99
$21.99
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Blue Sea 2017 Dual PowerPost Cable Connectors  2 x 38 2017
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$31.99
$21.99

Blue Sea 2017 Dual PowerPost Cable Connectors - 2 x 3/8" [2017]

Blue Sea Systems

Dual PowerPost Connectors Designed for connecting high amp conductors Includes one black and one red insulator WARNING: This product can expose y...

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$31.99
$21.99
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Blue Sea 2713 Minibus Cover 2713
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$5.99
$4.99

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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$5.99
$4.99
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Blue Sea 2314 MiniBus 100 Ampere Common BusBar 5 x 832 Screw Terminal with Cover 2314
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$22.99
$14.99

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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$22.99
$14.99
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Blue Sea 2716 Cover fBusBar 2302 2716
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$9.99
$6.99

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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$9.99
$6.99
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Blue Sea 2315 MiniBus 100 Ampere Common BusBar 4 x 1032 Stud Terminal with Cover 2315
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$25.99
$17.99

Blue Sea 2315 MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with Cover [2315]

Blue Sea Systems

MiniBus 100 Ampere Common BusBar 4 x 10-32 Stud Terminal with CoverPN:  2315 Great for limited space applications in electronics cabinets and unde...

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$25.99
$17.99
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Blue Sea 2312 150 Ampere Common Busbar 20 x 832 Screw Terminal with Cover 2312
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$46.99
$31.99

Blue Sea 2312, 150 Ampere Common Busbar 20 x 8-32 Screw Terminal with Cover [2312]

Blue Sea Systems

150 Ampere Common Busbar 20 x 8-32 Screw Terminal with CoverPN:   2312 Stud design provides direct terminal to bus contact for low resistant conne...

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$46.99
$31.99
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Blue Sea 4014 CableCap  Red 125 to 070 4014
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$8.99
$5.99

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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$8.99
$5.99
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Blue Sea 2010 PowerPost High Amperage Cable Connector 10 Stud 2010
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$12.99
$8.99

Blue Sea 2010 PowerPost High Amperage Cable Connector #10 Stud [2010]

Blue Sea Systems

PowerPost High Amperage Cable Connector #10 StudFeatures:  Insulated single stainless steel stud terminates multiple large conductors Connects hig...

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$12.99
$8.99
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Blue Sea 4011 CableCap  Black 070 to 030 Stud 4011
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$4.99
$3.99

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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$4.99
$3.99
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Blue Sea 4001 Rotating Single Entry CableCap  Small Pair 4001
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$10.99
$7.99

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

Blue Sea Systems

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

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$10.99
$7.99
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Blue Sea 4015 CableCap  Black 125 to 070 4015
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$8.99
$5.99

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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$8.99
$5.99
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Blue Sea 4005 Standard CableCap  Small Pair 4005
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$8.99
$5.99

Blue Sea 4005 Standard CableCap - Small Pair [4005]

Blue Sea Systems

4005 Standard CableCap - Small PairFeatures: Cable Size - 4, 2, 1 Pair - Red/Black Insulates battery terminals which have added adapter terminals ...

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$8.99
$5.99
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Blue Sea 2204 Red Terminal Feed Through Connector 2204
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$39.99
$26.99

Blue Sea 2204 Red Terminal Feed Through Connector [2204]

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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$39.99
$26.99
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Blue Sea 4012 CableCap  Red 050 Stud 4012
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$7.99
$5.99

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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$7.99
$5.99
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Blue Sea 4008 CableCap  Red 047 to 013 Stud 4008
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$4.99
$3.99

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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$4.99
$3.99
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Blue Sea 2201 Black Terminal Feed Through Connector 2201
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$35.99
$23.99

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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$35.99
$23.99
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Blue Sea 2107 PowerBar 600AMP Cable Connector  8 x 38 16 Stud Terminal 2107
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$244.99
$161.99

Blue Sea 2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud Terminal [2107]

Blue Sea Systems

2107 PowerBar 600AMP Cable Connector - 8 x 3/8" 16 Stud TerminalSpecifications: Maximum Voltage: 300 V AC/48V DC Number of Terminal Studs: 8 Termi...

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$244.99
$161.99
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Blue Sea 2606 Terminal Black 65AMP  6 Circuit 2606
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$32.99
$21.99

Blue Sea 2606 Terminal Black 65AMP - 6 Circuit [2606]

Blue Sea Systems

Terminal Block 65AMP - 6 CircuitFeatures: Closed back design completely insulates power from the mounting surface Each screw pair is 1 isolated ci...

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$32.99
$21.99
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Blue Sea 4017 Straight Terminal CableCap  Large 4017
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$7.99
$5.99

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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$7.99
$5.99
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Blue Sea 2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 832 Screw Terminal 2306
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$9.99
$6.99

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

Blue Sea Systems

2306 MiniBus 100AMP Common BusBar Grounding BusBar 6 x 8-32 Screw TerminalFeatures:Great for limited space applications in electronics cabinets an...

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$9.99
$6.99
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Blue Sea 4006 Standard CableCap  Large Pair 4006
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$8.99
$5.99

Blue Sea 4006 Standard CableCap - Large Pair [4006]

Blue Sea Systems

4006 Standard CableCap - Large PairFeatures: Cable Size - 1/0, 2/0 Pair - Red/Black For batteries with marine adapter terminals added on WARNING: ...

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$8.99
$5.99
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Blue Sea 4013 CableCap  Black 050 Stud 4013
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$7.99
$5.99

Blue Sea 4013 CableCap - Black 0.50 Stud [4013]

Blue Sea Systems

4013 CableCap - Black 0.50 StudFeatures:Insulate stud type connectors on alternators, starters, windlasses and other high amperage devicesWARNING:...

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$7.99
$5.99
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Blue Sea 2722 DualBus Plus 14 Stud 5 x 1032 Screw Terminal 2722
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$42.99
$28.99

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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$42.99
$28.99
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