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Electrical - Wire

Marine electrical wire is the foundation of a safe, reliable, and efficient onboard electrical system, delivering dependable power to your vessel's critical equipment and electronics. Engineered for demanding freshwater and saltwater environments, today's marine-grade wire features corrosion-resistant tinned copper conductors, flexible multi-strand construction, and durable insulation designed to withstand vibration, moisture, heat, UV exposure, and harsh marine conditions. From primary wire, battery cable, duplex and triplex cable, signal wire, and specialty marine wiring to a variety of gauges and lengths, these products support everything from engine starting and battery systems to navigation electronics, lighting, pumps, and communication equipment. Marine-grade wire helps reduce voltage drop, improve electrical reliability, and extend the life of your vessel's electrical system while meeting rigorous marine standards.

Featuring premium products from trusted marine manufacturers, our Electrical – Wire collection delivers the quality, durability, and performance serious boaters expect. Browse our selection today and let our knowledgeable team help you choose the ideal marine wire for your next installation, upgrade, or repair.

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  • Sea-Dog 18 AWG Yellow Primary Wire - 250' [8018034]
    Sea-Dog

    Sea-Dog 18 AWG Yellow Primary Wire - 250' [8018034]

    $49.60
    $115.09
    $49.60
    18 AWG Yellow 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...
    $49.60
    $115.09
    $49.60
  • Sea-Dog 16 AWG Yellow Primary Wire - 250' [8016034]
    Sea-Dog

    Sea-Dog 16 AWG Yellow Primary Wire - 250' [8016034]

    $59.81
    $139.52
    $59.81
    16 AWG Yellow 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...
    $59.81
    $139.52
    $59.81
  • Sea-Dog 2/0 AWG Black Battery Cable - 25' [8021010]
    Sea-Dog

    Sea-Dog 2/0 AWG Black Battery Cable - 25' [8021010]

    $227.63
    $532.99
    $227.63
    2/0 AWG Black 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...
    $227.63
    $532.99
    $227.63
  • Sea-Dog 4/0 AWG Yellow Battery Cable - 25' [8041030]
    Sea-Dog

    Sea-Dog 4/0 AWG Yellow Battery Cable - 25' [8041030]

    $363.34
    $886.91
    $363.34
    4/0 AWG Yellow Battery Cable - 25'Tinned Copper Stranded WireBattery 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.All 4 AWG- 4/0 AWG cables are designed...
    $363.34
    $886.91
    $363.34
  • Sea-Dog 16 AWG Black Primary Wire - 250' [8016014]
    Sea-Dog

    Sea-Dog 16 AWG Black Primary Wire - 250' [8016014]

    $59.81
    $139.52
    $59.81
    16 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...
    $59.81
    $139.52
    $59.81
  • Sea-Dog 16/2 AWG Flat Duplex Safety Wire - Red/Yellow - 250' [8016224]
    Sea-Dog

    Sea-Dog 16/2 AWG Flat Duplex Safety Wire - Red/Yellow - 250' [8016224]

    $154.67
    $362.58
    $154.67
    16/2 AWG Flat Duplex Safety Wire Red/Yellow - 250'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in 16/2- 6/2 gauges for duplex boat cable installations. All duplex cable is sheathed in PVC and is flat in construction. It is designed and manufactured for...
    $154.67
    $362.58
    $154.67
  • Sea-Dog 16/2 AWG Flat Duplex Wire - Red/Black - 100' [8016202]
    Sea-Dog

    Sea-Dog 16/2 AWG Flat Duplex Wire - Red/Black - 100' [8016202]

    $65.65
    $152.94
    $65.65
    16/2 AWG Flat Duplex Wire Red/Black - 100'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in 16/2- 6/2 gauges for duplex boat cable installations. All duplex cable is sheathed in PVC and is flat in construction. It is designed and manufactured for marine...
    $65.65
    $152.94
    $65.65
  • Sea-Dog 18 AWG Green Primary Wire - 250' [8018044]
    Sea-Dog

    Sea-Dog 18 AWG Green Primary Wire - 250' [8018044]

    $49.60
    $115.09
    $49.60
    18 AWG Green 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...
    $49.60
    $115.09
    $49.60
  • Sea-Dog 16/2 Flat Duplex Safety Wire - Red/Yellow - 100' [8016222]
    Sea-Dog

    Sea-Dog 16/2 Flat Duplex Safety Wire - Red/Yellow - 100' [8016222]

    $65.65
    $153.09
    $65.65
    16/2 AWG Flat Duplex Safety Wire Red/Yellow - 100'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in 16/2- 6/2 gauges for duplex boat cable installations. All duplex cable is sheathed in PVC and is flat in construction. It is designed and manufactured for...
    $65.65
    $153.09
    $65.65
  • Sea-Dog 18 AWG White Primary Wire - 250' [8018054]
    Sea-Dog

    Sea-Dog 18 AWG White Primary Wire - 250' [8018054]

    $49.60
    $115.09
    $49.60
    18 AWG White 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...
    $49.60
    $115.09
    $49.60
  • Sea-Dog 16 AWG White Primary Wire - 250' [8016054]
    Sea-Dog

    Sea-Dog 16 AWG White Primary Wire - 250' [8016054]

    $59.81
    $139.52
    $59.81
    16 AWG White 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...
    $59.81
    $139.52
    $59.81
  • Sea-Dog 2/0 AWG Yellow Battery Cable - 25' [8021030]
    Sea-Dog

    Sea-Dog 2/0 AWG Yellow Battery Cable - 25' [8021030]

    $227.63
    $532.99
    $227.63
    2/0 AWG Yellow 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...
    $227.63
    $532.99
    $227.63
  • Sea-Dog 18 AWG Red Primary Wire - 250' [8018024]
    Sea-Dog

    Sea-Dog 18 AWG Red Primary Wire - 250' [8018024]

    $49.60
    $115.09
    $49.60
    18 AWG Red 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...
    $49.60
    $115.09
    $49.60
  • Sea-Dog 12 AWG White Primary Wire - 250' [8012054]
    Sea-Dog

    Sea-Dog 12 AWG White Primary Wire - 250' [8012054]

    $121.10
    $283.50
    $121.10
    12 AWG White 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...
    $121.10
    $283.50
    $121.10
  • Sea-Dog 16 AWG Red Primary Wire - 250' [8016024]
    Sea-Dog

    Sea-Dog 16 AWG Red Primary Wire - 250' [8016024]

    $59.81
    $139.52
    $59.81
    16 AWG Red 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...
    $59.81
    $139.52
    $59.81
  • Sea-Dog 16/3 AWG Flat Triplex Wire - White/Green/Black - 100' [8016302]
    Sea-Dog

    Sea-Dog 16/3 AWG Flat Triplex Wire - White/Green/Black - 100' [8016302]

    $102.13
    $199.08
    $102.13
    16/3 AWG Flat Triplex Wire White/Green/Black - 100'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in 16/3- 6/3 gauges for triplex boat cable installations. All Triplex wire is sheathed in flexible PVC and is flat in construction. It is designed and manufactured for...
    $102.13
    $199.08
    $102.13
  • Sea-Dog 14/3 AWG Flat Triplex Wire - White/Green/Black - 100' [8014302]
    Sea-Dog

    Sea-Dog 14/3 AWG Flat Triplex Wire - White/Green/Black - 100' [8014302]

    $121.10
    $283.71
    $121.10
    14/3 AWG Flat Triplex Wire White/Green/Black - 100'Tinned Copper Stranded Wire. Sea-Dog Marine Wire™ is offered in 16/3- 6/3 gauges for triplex boat cable installations. All Triplex wire is sheathed in flexible PVC and is flat in construction. It is designed and manufactured for...
    $121.10
    $283.71
    $121.10
  • Sea-Dog 18 AWG Black Primary Wire - 250' [8018014]
    Sea-Dog

    Sea-Dog 18 AWG Black Primary Wire - 250' [8018014]

    $49.60
    $115.09
    $49.60
    18 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...
    $49.60
    $115.09
    $49.60
  • Sea-Dog 2/0 AWG Red Battery Cable - 25' [8021020]
    Sea-Dog

    Sea-Dog 2/0 AWG Red Battery Cable - 25' [8021020]

    $227.63
    $532.99
    $227.63
    2/0 AWG Red 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...
    $227.63
    $532.99
    $227.63
  • Sea-Dog 1/0 AWG Red Battery Cable - 25' [8011020]
    Sea-Dog

    Sea-Dog 1/0 AWG Red Battery Cable - 25' [8011020]

    $178.01
    $417.55
    $178.01
    1/0 AWG Red 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...
    $178.01
    $417.55
    $178.01