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Marine Electrical systems are the backbone of a dependable and efficient vessel, delivering the power needed to keep your essential equipment operating at its best. Designed to perform in demanding marine environments, today's electrical components combine rugged durability, reliable performance, and advanced technology to withstand moisture, vibration, and corrosion. From batteries, battery chargers, inverters, switches, circuit protection, wiring, and power distribution panels to complete electrical accessories, the right equipment helps ensure safe, consistent power throughout your boat. Whether you're upgrading an existing electrical system or building a new one, premium marine electrical products provide the reliability and confidence trusted by boaters and marine professionals alike. Explore our selection of marine electrical solutions and let our experts help you find the right components to power every adventure on the water.

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  • Sea-Dog 6 AWG Green Battery Cable - 25' [8006040]
    Sea-Dog

    Sea-Dog 6 AWG Green Battery Cable - 25' [8006040]

    $56.37
    $131.79
    $56.37
    6 AWG Green Battery Cable - 25'Tinned Copper Stranded Wire. Battery Cable is available in all colors in accordance with ABYC standard. 600V 105°C DRY (75°C WET) and oil resistant. UL Listed Boat Cable. Made in the U.S.A.WARNING: This product can expose you to...
    $56.37
    $131.79
    $56.37
  • Sea-Dog 10 AWG Black Primary Wire - 250' [8010014]
    Sea-Dog

    Sea-Dog 10 AWG Black Primary Wire - 250' [8010014]

    $177.83
    $416.92
    $177.83
    10 AWG Black Primary Wire - 250'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in all gauges and colors for primary marine wire applications. All 18 AWG - 6 AWG wire is designed and manufactured for marine use with tinned copper wire for...
    $177.83
    $416.92
    $177.83
  • Sea-Dog Battery Terminal Covers - Red/Black - 5/8" [415115-1]
    Sea-Dog

    Sea-Dog Battery Terminal Covers - Red/Black - 5/8" [415115-1]

    $11.55
    $15.83
    $11.55
    Battery Terminal Covers - Red/Black - 5/8" These Battery Terminal Covers are designed to insulate integral marine wing nut terminals protecting battery cables from corrosion and shorting. Constructed of injection molded PVC. These covers satisfy USCG and ABYC requirements for the prevention of accidental grounding...
    $11.55
    $15.83
    $11.55
  • BEP 500 Amp Class T Fuse
    BEP

    BEP 500 Amp Class T Fuse

    $239.97
    $424.22
    $239.97
    BEP 500 Amp Class T FuseModel: FT-500-BThese corrosion resistant fuses are time delayed to allow temporary harmless in-rush currents to pass, but open quickly on sustained overloads to protect circuits from overloads and short circuits. Each fuse is tested twice to ensure the highest...
    $239.97
    $424.22
    $239.97
  • Sea-Dog 14 AWG White Primary Wire - 25' [8014050]
    Sea-Dog

    Sea-Dog 14 AWG White Primary Wire - 25' [8014050]

    $11.55
    $24.36
    $11.55
    14 AWG White Primary Wire - 25'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in all gauges and colors for primary marine wire applications. All 18 AWG - 6 AWG wire is designed and manufactured for marine use with tinned copper wire for corrosion...
    $11.55
    $24.36
    $11.55
  • Sea-Dog 144" SAE Power Cable Polarized Electrical Connector [426912-1]
    Sea-Dog

    Sea-Dog 144" SAE Power Cable Polarized Electrical Connector [426912-1]

    $20.23
    $27.40
    $20.23
    144" SAE Power Cable Polarized Electrical ConnectorThis SAE-type polarized electrical connector is a two-prong plug and socket connector set. Features:14-gauge duplex wireSpecifications: Length: 144 in. Volts: 12-24 Max Amps: 20A @ 12V Wire Gauge: 14 AWM Weight: 0.44 lb. Specifications: Type: Cables Box Dimensions: 2"H...
    $20.23
    $27.40
    $20.23
  • Sea-Dog Round Voltage Meter 5V-15VDC w/Rainbow Dial [421616-1]
    Sea-Dog

    Sea-Dog Round Voltage Meter 5V-15VDC w/Rainbow Dial [421616-1]

    $37.58
    $57.76
    $37.58
    Round Voltage Meter 5V-15VDC with Rainbow DialThis digital dual-round volt meter displays voltage for the main and auxiliary batteries simultaneously. With the same compact size as a standard 12V receptacle socket, this volt meter supports many installation options. Features: Constructed of injection-molded nylon Red LED...
    $37.58
    $57.76
    $37.58
  • Sea-Dog USB USB-C Rocker Switch Style Power Socket [426521-1]Sea-Dog USB USB-C Rocker Switch Style Power Socket [426521-1]
    Sea-Dog

    Sea-Dog USB USB-C Rocker Switch Style Power Socket [426521-1]

    $36.13
    $51.98
    $36.13
    USB & USB-C Rocker Switch Style Power SocketThis USB & USB-C Rocker Switch Style Power Socket charges two devices simultaneously. Fits into any 13/16” x 1-7/16” rocker switch hole. The total output 4.8A load is split 2.4A per side as needed. USB-C features Power...
    $36.13
    $51.98
    $36.13
  • SmartPlug Weather Door - Horizontal [RDPWL]SmartPlug Weather Door - Horizontal [RDPWL]
    SmartPlug

    SmartPlug Weather Door - Horizontal [RDPWL]

    $84.58
    $93.98
    $84.58
    Weather Door - Horizontal SmartPlug receptacles can be installed in industry standard outdoor electrical boxes when used in conjunction with our spring loaded weather doors.  SmartPlug plugs self-align with these receptacles and have an automatic lock system when engaged.  The push in design provides self...
    $84.58
    $93.98
    $84.58
  • Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]
    Samlex America

    Samlex 160A Automatic Charge Isolator - 12V or 24V [ACR-160]

    $234.52
    $293.08
    $234.52
    160A Automatic Charge Isolator - 12V or 24VThe ACR-160 combines battery banks for charging and isolates them when charging has stopped. It provides priority for charging only the starter battery first and protects from excessive discharging of the starter battery.The Automatic Charge Isolator is...
    $234.52
    $293.08
    $234.52
  • SmartPlug 50 AMP Male Non-Metallic Inlet Cover - Grey [BM50PG]
    SmartPlug

    SmartPlug 50 AMP Male Non-Metallic Inlet Cover - Grey [BM50PG]

    $218.62
    $242.91
    $218.62
    50 AMP Male Non-Metallic Inlet Cover - BlackSmartPlug’s 50 AMP 125/250 V inlets provide 20X’s more electrical contact area eliminating the overheating conditions seen with twist-type connectors.  The solid sleeve connection and weatherproof seal makes it a preferred option.  The mounting flange holes match...
    $218.62
    $242.91
    $218.62
  • SmartPlug 30 AMP Male Non-Metallic Inlet Cover - White [BM30PW]
    SmartPlug

    SmartPlug 30 AMP Male Non-Metallic Inlet Cover - White [BM30PW]

    $186.08
    $206.76
    $186.08
    30 AMP Male Non-Metallic Inlet Cover - WhiteSmartPlug’s 30 AMP 125 V inlets provide 20X’s more electrical contact area eliminating the overheating conditions seen with twist-type connectors.  The solid sleeve connection and weatherproof seal makes it a preferred option.  The mounting flange holes match...
    $186.08
    $206.76
    $186.08
  • SmartPlug 30 AMP SmartPlug/Twist Type Cordset - 25' [C30253]
    SmartPlug

    SmartPlug 30 AMP SmartPlug/Twist Type Cordset - 25' [C30253]

    $490.59
    $545.10
    $490.59
    30 AMP SmartPlug/Twist Type Cordset 25'For many years boaters have experienced the safety, security and simplicity of SmartPlug products on the boatside while still dealing with the same old issues created by legacy twist-type products on the dockside.   Those days are changing with...
    $490.59
    $545.10
    $490.59
  • Egis MRBF Terminal Fuse - 40A [3603-040]
    Egis Mobile Electric

    Egis MRBF Terminal Fuse - 40A [3603-040]

    $11.55
    $28.92
    $11.55
    MRBF Terminal Fuse - 40AFeatures: Transparent Easy Visual of Fuse Status Ignition Protected SAE/J1171-ISO8846 High Interrupt Rating Satisfies ABYC Requirements For DC Main Circuit Protection On Large Battery Banks Color Coded For Easy ID Of Amperage Rating This product may not be returned to...
    $11.55
    $28.92
    $11.55
  • Sea-Dog 18 AWG Black Primary Wire - 25' [8018010]
    Sea-Dog

    Sea-Dog 18 AWG Black Primary Wire - 25' [8018010]

    $10.11
    $23.15
    $10.11
    18 AWG Black Primary Wire - 25'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in all gauges and colors for primary marine wire applications. All 18 AWG - 6 AWG wire is designed and manufactured for marine use with tinned copper wire for...
    $10.11
    $23.15
    $10.11
  • Sea-Dog 16 AWG Light Blue Primary Wire - 100' [8016132]
    Sea-Dog

    Sea-Dog 16 AWG Light Blue Primary Wire - 100' [8016132]

    $27.46
    $57.40
    $27.46
    16 AWG Light Blue Primary Wire - 100'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in all gauges and colors for primary marine wire applications. All 18 AWG - 6 AWG wire is designed and manufactured for marine use with tinned copper wire for...
    $27.46
    $57.40
    $27.46
  • Sea-Dog 72" SAE Power Cable Polarized Electrical Connector [426906-1]
    Sea-Dog

    Sea-Dog 72" SAE Power Cable Polarized Electrical Connector [426906-1]

    $13.00
    $18.72
    $13.00
    72" SAE Power Cable Polarized Electrical ConnectorThis SAE-type polarized electrical connector is a two-prong plug and socket connector set. Features:14-gauge duplex wireSpecifications: Length: 72 in. Volts: 12-24 Max Amps: 20A @ 12V Wire Gauge: 14 AWM Weight: 0.26 lb. Specifications: Type: Cables Box Dimensions: 2"H...
    $13.00
    $18.72
    $13.00
  • Sea-Dog Double Gang Wall Switch - Stainless Steel [403020-1]
    Sea-Dog

    Sea-Dog Double Gang Wall Switch - Stainless Steel [403020-1]

    $23.12
    $31.62
    $23.12
    Double Gang Wall Switch - Stainless Steel Wall Switch Panels are constructed with a stamped 304 stainless steel switch plate and two black SPDT switches rated @ 15 amps each. Installs with two #6 RH fasteners (not included). WARNING: This product can expose you to...
    $23.12
    $31.62
    $23.12
  • Bluewater 12 Position Female Deutsch Connector w/Wedge Lock [DT06-12S]
    Bluewater

    Bluewater 12 Position Female Deutsch Connector w/Wedge Lock [DT06-12S]

    $6.62
    $0.00
    $6.62
    12 Position Female Deutsch Connector with Wedge LockThe DTO4-12P and DTO6-12S connectors are part of the DT series and form a complete 12-cavity connection. These Deutsch-compatible connectors are fully interchangeable with matching Deutsch parts.Designed for reliability in harsh environments, the DT series can deliver...
    $6.62
    $0.00
    $6.62
  • Mastervolt Mac Plus 12/48-15 [81203205]Mastervolt Mac Plus 12/48-15 [81203205]
    Mastervolt

    Mastervolt Mac Plus 12/48-15 [81203205]

    $816.91
    $1,108.97
    $816.91
    Mac Plus 12/48-15Boost Your Service BatteryToo often, service batteries don’t get the charge they need. This is a problem made worse by smart alternators and start/stop systems, which result in slow and insufficient charges. The Mac Plus 48V and 36V solve that problem. With...
    $816.91
    $1,108.97
    $816.91