{"product_id":"sea-dog-8-awg-tinned-copper-marine-wire-500ft-black","title":"Sea-Dog 8 AWG Tinned Copper Primary Wire, Black, 500 Foot","description":"\u003cp class=\"nvn-hero\"\u003eSea-Dog's 8 AWG tinned copper primary wire comes on a full 500 foot black spool, built for the DC wiring on boats. The tinned conductor shrugs off salt and bilge moisture, and it's ABYC and UL certified so it passes surveys and haul-out inspections. Finely stranded for clean, flexible runs on rewires and new builds.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThis is Sea-Dog's 8 AWG marine primary wire, wound on a full 500 foot spool in black. It's stranded tinned copper built for the DC wiring on boats, where salt air, spray, and bilge moisture chew through ordinary automotive wire in a season or two. If you're rigging a new build, rewiring an older hull, or stocking a shop for a run of jobs, a 500 foot reel gives you the length to pull clean, continuous runs without splicing partway.\u003c\/p\u003e\n\u003cp\u003eThe reason boaters pay for tinned wire instead of bare copper comes down to what happens where you can't see it. Every strand in this conductor carries a coating of tin, so when moisture works its way under a heat shrink boot or into a terminal, the copper underneath stays bright instead of turning green and brittle. Bare copper corrodes from the outside in, and a corroded conductor loses current-carrying capacity and builds heat right where you'd least want it. Tinned copper is the standard on any boat that spends real time in the water, and it's what surveyors expect to see.\u003c\/p\u003e\n\u003cp\u003eThis wire is ABYC and UL certified, which matters more than a marketing line. A boat wired to ABYC standards passes insurance surveys and haul-out inspections without a fight, and non-certified equivalents get flagged. If you're doing work that a surveyor or an insurer will eventually look at, starting with certified wire saves you from redoing it later.\u003c\/p\u003e\n\u003cp\u003eEight gauge sits in the middle of the marine wiring range. It's the size a lot of installers reach for on windlass feeds, bow and stern thruster runs, larger accessory circuits, and mid-length battery-to-panel runs where a thinner wire would drop too much voltage. Voltage drop is the whole game on a boat, because the longer the run and the higher the load, the more voltage you lose on the way. Sizing up to 8 AWG on a long run keeps your gear seeing the voltage it actually needs. Always size the wire to the load and the round-trip distance using an ABYC ampacity chart rather than guessing.\u003c\/p\u003e\n\u003cp\u003eThe conductor is finely stranded, so it bends around stringers, through bulkhead penetrations, and into tight electrical panels without kinking the way solid or coarse wire does. That flexibility is what makes a 500 foot pull practical. You can route it the long, clean way around an obstruction instead of forcing a hard bend. The black insulation is the conventional choice for negative and ground runs, and it's easy to label at both ends so the next person who opens the panel knows what they're looking at.\u003c\/p\u003e\n\u003cp\u003eA 500 foot spool is really built for people who wire boats for a living or who are taking on a whole-vessel project. It's enough to feed a full rewire, and reels like this tend to get reused across several jobs, so labeling your runs as you go pays off. If you only need a few feet for a single circuit, this is more wire than you'll use, but for anyone buying by the spool the cost per foot is where the value shows up.\u003c\/p\u003e\n\u003cp\u003eA few install notes from the field. Use adhesive-lined heat shrink terminals and lugs at every connection so moisture can't wick into the strands, and slip the run into loom or conduit anywhere it's exposed to UV or chafe. Black jackets can fade in sunlight over the years even while the conductor underneath stays clean, so protect exposed runs. When you crimp and torque your lugs, follow the terminal maker's torque spec. Over-tightening a screw terminal can crack fine strands and create the exact high-resistance hot spot you're trying to avoid.\u003c\/p\u003e\n\u003cp\u003eOne thing this wire is not. It's not AC cable, and it's not a shortcut around correct gauge sizing. It's single-conductor DC primary wire. Pair it with correctly rated breakers or fuses, match the gauge to your load and distance, and it'll carry current cleanly for the life of the boat.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e8 AWG gauge for windlass, thruster, and mid-length DC feeds where voltage drop matters\u003c\/li\u003e\n  \u003cli\u003eTinned copper conductor resists corrosion from salt air, spray, and bilge moisture\u003c\/li\u003e\n  \u003cli\u003eABYC and UL certified to pass insurance surveys and haul-out inspections\u003c\/li\u003e\n  \u003cli\u003eFinely stranded for flexible routing through bulkheads and into tight panels\u003c\/li\u003e\n  \u003cli\u003eFull 500 foot spool for continuous, splice-free runs on rewires and new builds\u003c\/li\u003e\n  \u003cli\u003eBlack insulation, the conventional choice for negative and ground runs\u003c\/li\u003e\n  \u003cli\u003eSingle-conductor DC primary wire for marine electrical systems\u003c\/li\u003e\n  \u003cli\u003eReel format suited to professional riggers and whole-vessel projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Sea-Dog reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this Sea-Dog wire tinned or bare copper?\u003c\/summary\u003e\n    \u003cp\u003eIt's tinned copper. Every strand carries a tin coating, so the conductor resists the corrosion that eats bare copper on a boat. That's why tinned wire is the marine standard and what a surveyor expects to find.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is 8 AWG marine wire typically used for?\u003c\/summary\u003e\n    \u003cp\u003eEight gauge is a common mid-range size for windlass feeds, bow and stern thruster runs, larger accessory circuits, and longer battery-to-panel runs where a thinner wire would drop too much voltage. Always size the wire to your load and round-trip distance.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this wire ABYC and UL certified?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's ABYC and UL certified, so a boat wired with it passes insurance surveys and haul-out inspections. Non-certified equivalents often get flagged during those inspections.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow much wire is on the spool?\u003c\/summary\u003e\n    \u003cp\u003eA full 500 feet, wound on one reel. That's enough for continuous runs on a rewire or new build without splicing partway, and reels like this get reused across several jobs.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use this for AC circuits?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is single-conductor DC primary wire. It's not AC cable. Use it for your boat's DC wiring and pair it with correctly rated breakers or fuses.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is the insulation black?\u003c\/summary\u003e\n    \u003cp\u003eBlack is the conventional color for negative and ground runs in DC wiring. It's easy to label at both ends so the next person into the panel knows what they're looking at.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I keep the connections from corroding over time?\u003c\/summary\u003e\n    \u003cp\u003eUse adhesive-lined heat shrink terminals and lugs at every connection so moisture can't wick into the strands, and run the wire in loom or conduit where it's exposed to UV or chafe. Follow the terminal maker's torque spec so you don't crack strands.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know 8 gauge is the right size for my run?\u003c\/summary\u003e\n    \u003cp\u003eSize the wire to the load and the full round-trip distance using an ABYC ampacity chart rather than guessing. Longer runs and higher loads lose more voltage, so a longer run often needs to size up to hold voltage drop in check.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eStranded Conductor; 8 Gauge; Black; 500 Foot; Tinned Copper; ABYC\/ UL Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSea-Dog\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e8008017\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e035514800143\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Gauge\u003c\/th\u003e\n\u003ctd\u003e8 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConductor Material\u003c\/th\u003e\n\u003ctd\u003eTinned Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConductor Type\u003c\/th\u003e\n\u003ctd\u003eStranded\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Type\u003c\/th\u003e\n\u003ctd\u003ePrimary Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInsulation Color\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e500 Feet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eABYC \/ UL Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eMarine DC Wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this Sea-Dog wire tinned or bare copper?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's tinned copper. Every strand carries a tin coating, so the conductor resists the corrosion that eats bare copper on a boat. That's why tinned wire is the marine standard and what a surveyor expects to find.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What is 8 AWG marine wire typically used for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Eight gauge is a common mid-range size for windlass feeds, bow and stern thruster runs, larger accessory circuits, and longer battery-to-panel runs where a thinner wire would drop too much voltage. Always size the wire to your load and round-trip distance.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this wire ABYC and UL certified?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It's ABYC and UL certified, so a boat wired with it passes insurance surveys and haul-out inspections. Non-certified equivalents often get flagged during those inspections.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How much wire is on the spool?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A full 500 feet, wound on one reel. That's enough for continuous runs on a rewire or new build without splicing partway, and reels like this get reused across several jobs.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can I use this for AC circuits?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This is single-conductor DC primary wire. It's not AC cable. Use it for your boat's DC wiring and pair it with correctly rated breakers or fuses.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why is the insulation black?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Black is the conventional color for negative and ground runs in DC wiring. It's easy to label at both ends so the next person into the panel knows what they're looking at.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I keep the connections from corroding over time?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Use adhesive-lined heat shrink terminals and lugs at every connection so moisture can't wick into the strands, and run the wire in loom or conduit where it's exposed to UV or chafe. Follow the terminal maker's torque spec so you don't crack strands.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I know 8 gauge is the right size for my run?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Size the wire to the load and the full round-trip distance using an ABYC ampacity chart rather than guessing. Longer runs and higher loads lose more voltage, so a longer run often needs to size up to hold voltage drop in check.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":44997416124509,"sku":"2007578","price":458.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_b99b2877-abd1-453b-8774-3bb026b4e01a.png?v=1788640107","url":"https:\/\/nvnmarine.com\/products\/sea-dog-8-awg-tinned-copper-marine-wire-500ft-black","provider":"NVN Marine","version":"1.0","type":"link"}