{"product_id":"sea-dog-8-awg-tinned-marine-primary-wire-100-ft","title":"Sea-Dog 8 AWG Black Tinned Copper Primary Wire, 100 Foot","description":"\u003cp class=\"nvn-hero\"\u003eThe Sea-Dog 8 AWG black primary wire gives you 100 feet of stranded, tinned copper on a single spool, the kind you reach for when you're wiring a windlass, an inverter feed, or a run of heavy grounds. It's UL and ABYC certified, so it passes inspection and holds up to salt air the way plain copper never will.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eBlack 8 AWG primary wire is one of those things you always want more of on the boat. This is Sea-Dog's 100-foot spool of single-conductor 8 gauge, stranded and tinned all the way through. It's the wire you pull out when a circuit is drawing real current and thinner gauge just won't cut it. Windlass feeds, inverter runs, a bank of bilge pumps, a heavy ground back to the battery. Eight gauge handles it.\u003c\/p\u003e\n\u003cp\u003eThe tinning is the part that matters most out there. Plain copper starts to corrode the moment salt air gets to a nicked strand or an open terminal, and once the green creeps in, resistance climbs and the circuit gets unreliable. Every strand in this wire is coated in tin, so it shrugs off moisture and stays bright for years. That's why UL and ABYC both call for tinned copper on boats, and it's why we won't sell you automotive-grade wire for a marine install.\u003c\/p\u003e\n\u003cp\u003eIt's finely stranded, not solid, so it flexes around bulkheads and takes vibration without work-hardening and cracking. That flexibility matters when you're fishing a run from the engine room up to the helm or snaking wire behind a console. One thing to watch: even good tinned strands can break if you bend them hard right at a battery switch or a stud. Support the wire near heavy terminals and you'll never have a problem.\u003c\/p\u003e\n\u003cp\u003eBlack is your negative and ground color under standard marine color code. Pair this spool with 8 AWG red for your positive runs and you keep everything readable for the next person who opens the panel, including you three seasons from now. A lot of boaters keep a black and a red 100-foot spool aboard for exactly that reason. When a pump dies at the dock, you're not driving to town for wire.\u003c\/p\u003e\n\u003cp\u003eThe 100-foot length is the sweet spot for a working boat. It's enough to knock out several short runs, a couple of pump circuits, some nav light grounds, an inverter feed, with plenty left over. On a trawler or a larger cruiser, 100 feet often covers a single engine-room-to-helm run for a 50-amp panel without a splice, and fewer splices means fewer places for corrosion to start.\u003c\/p\u003e\n\u003cp\u003eSizing wire is about voltage drop as much as amperage. Eight gauge carries a lot of current, but the longer the run, the more voltage you lose along the way, and a sensitive load like an electronics circuit or a windlass motor cares about that. Before you commit, run a quick 3 percent voltage-drop calculation for the length and load you're feeding. If the number comes back tight, step up a size. We're always happy to help you work it out.\u003c\/p\u003e\n\u003cp\u003eFor a clean install, finish your ends with adhesive-lined heat-shrink terminals and fuse the circuit properly at the source, an ANL or similar fuse sized to the load. If any of this wire runs exposed on deck or in a locker that sees sun, run it in conduit or loom. Tinned copper handles salt just fine, but the PVC insulation will chalk and crack after a few hard seasons of direct UV. Keep it protected and this wire will outlast most of the gear it's feeding.\u003c\/p\u003e\n\u003cp\u003eThe UL and ABYC certification isn't just a sticker. It tells an insurance surveyor or a charter inspector that the wire meets marine standards, and inspectors do flag untinned or undersized wire on heavier circuits like this one. If you're rigging a boat you plan to insure, charter, or sell, using certified marine wire from the start saves you an argument later. This is the good stuff, priced right for a full 100-foot spool.\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 (8 gauge) stranded conductor, sized for high-current runs like windlass feeds, inverter circuits, and heavy grounds\u003c\/li\u003e\n  \u003cli\u003eTinned copper throughout, resists salt corrosion and stays low-resistance where plain copper would green over and fail\u003c\/li\u003e\n  \u003cli\u003e100-foot spool, enough for several pump, nav light, or ground runs with wire left over for the next repair\u003c\/li\u003e\n  \u003cli\u003eFine stranding flexes around bulkheads and takes engine-room vibration without work-hardening\u003c\/li\u003e\n  \u003cli\u003eBlack insulation follows standard marine color code for negative and ground circuits\u003c\/li\u003e\n  \u003cli\u003ePVC insulation pairs with adhesive-lined heat-shrink terminals for a sealed, corrosion-proof connection\u003c\/li\u003e\n  \u003cli\u003eUL and ABYC certified, passes surveyor and charter inspections that flag untinned wire on heavier circuits\u003c\/li\u003e\n  \u003cli\u003eSingle-conductor primary wire, run it wherever you need one leg of a 12V or 24V DC circuit\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\u003eHow many amps will 8 AWG stranded wire carry?\u003c\/summary\u003e\n    \u003cp\u003eIt depends on the insulation rating, how the wire is bundled, and the length of the run. In practice, boaters commonly use 8 gauge for circuits in the 50-amp range, like a windlass or an inverter feed. The longer the run, the more voltage drop matters, so always run a voltage-drop calculation before you settle on a gauge.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan 8 gauge wire handle 100 amps?\u003c\/summary\u003e\n    \u003cp\u003eNot for a continuous marine circuit. Eight gauge is a great fit up in the 50-amp range with proper fusing, but a sustained 100-amp load calls for heavier cable. If you're feeding that kind of current, step up a size or two and fuse it correctly at the source.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this wire tinned or bare copper?\u003c\/summary\u003e\n    \u003cp\u003eEvery strand is tinned copper. The tin coating is what keeps the wire from corroding in salt air. Bare copper looks the same on day one, but it greens over at nicks and terminals, resistance climbs, and the circuit turns unreliable. Tinned is the only way to go on a boat.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is the wire black?\u003c\/summary\u003e\n    \u003cp\u003eBlack is the standard marine color code for negative and ground circuits. Pair this spool with 8 AWG red for your positive runs so the wiring stays readable for anyone who opens the panel later, including you.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow long is the spool, and is it a single conductor?\u003c\/summary\u003e\n    \u003cp\u003eIt's a 100-foot spool of single-conductor primary wire, so it's one leg of a circuit. Buy a matching red spool for the positive side. A 100-foot roll is enough to cover several short runs with wire left over.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it UL and ABYC certified?\u003c\/summary\u003e\n    \u003cp\u003eYes. It meets UL and ABYC standards for marine wire, which matters if a surveyor, insurer, or charter inspector ever looks at your wiring. Inspectors do flag untinned or undersized wire on heavier circuits, so certified wire saves you the argument.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow should I terminate and protect it?\u003c\/summary\u003e\n    \u003cp\u003eFinish your ends with adhesive-lined heat-shrink terminals and fuse the circuit at the source with an ANL or similar fuse sized to the load. If a run is exposed to sun, put it in conduit or loom. The tinned copper handles salt, but PVC insulation can chalk and crack under years of direct UV.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's this wire commonly used for?\u003c\/summary\u003e\n    \u003cp\u003eAnything on the boat that pulls real current on one leg of a DC circuit. Windlass feeds, inverter runs, heavy grounds, and banks of bilge pumps are the usual jobs. On a trawler or larger cruiser, 100 feet often handles an engine-room-to-helm run for a 50-amp panel without a splice.\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\u003eSea-Dog 8 AWG Black Tinned Copper Primary Wire, 100 Foot\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\u003e8008012\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e035514800112\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Type\u003c\/th\u003e\n\u003ctd\u003eSingle-Conductor Primary Wire\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWire Gauge\u003c\/th\u003e\n\u003ctd\u003e8 AWG (8 Gauge)\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 Construction\u003c\/th\u003e\n\u003ctd\u003eStranded\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\u003eInsulation Material\u003c\/th\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e100 Feet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eUL \/ ABYC\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\": \"How many amps will 8 AWG stranded wire carry?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It depends on the insulation rating, how the wire is bundled, and the length of the run. In practice, boaters commonly use 8 gauge for circuits in the 50-amp range, like a windlass or an inverter feed. The longer the run, the more voltage drop matters, so always run a voltage-drop calculation before you settle on a gauge.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Can 8 gauge wire handle 100 amps?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Not for a continuous marine circuit. Eight gauge is a great fit up in the 50-amp range with proper fusing, but a sustained 100-amp load calls for heavier cable. If you're feeding that kind of current, step up a size or two and fuse it correctly at the source.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this wire tinned or bare copper?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Every strand is tinned copper. The tin coating is what keeps the wire from corroding in salt air. Bare copper looks the same on day one, but it greens over at nicks and terminals, resistance climbs, and the circuit turns unreliable. Tinned is the only way to go on a boat.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why is the wire black?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Black is the standard marine color code for negative and ground circuits. Pair this spool with 8 AWG red for your positive runs so the wiring stays readable for anyone who opens the panel later, including you.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How long is the spool, and is it a single conductor?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a 100-foot spool of single-conductor primary wire, so it's one leg of a circuit. Buy a matching red spool for the positive side. A 100-foot roll is enough to cover several short runs with wire left over.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it UL and ABYC certified?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. It meets UL and ABYC standards for marine wire, which matters if a surveyor, insurer, or charter inspector ever looks at your wiring. Inspectors do flag untinned or undersized wire on heavier circuits, so certified wire saves you the argument.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How should I terminate and protect it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Finish your ends with adhesive-lined heat-shrink terminals and fuse the circuit at the source with an ANL or similar fuse sized to the load. If a run is exposed to sun, put it in conduit or loom. The tinned copper handles salt, but PVC insulation can chalk and crack under years of direct UV.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's this wire commonly used for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Anything on the boat that pulls real current on one leg of a DC circuit. Windlass feeds, inverter runs, heavy grounds, and banks of bilge pumps are the usual jobs. On a trawler or larger cruiser, 100 feet often handles an engine-room-to-helm run for a 50-amp panel without a splice.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":45060706959453,"sku":"2008507","price":103.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_4b9ab751-fb1f-4199-9c8c-640f023e2db3.png?v=1789532493","url":"https:\/\/nvnmarine.com\/products\/sea-dog-8-awg-tinned-marine-primary-wire-100-ft","provider":"NVN Marine","version":"1.0","type":"link"}