{"product_id":"sea-dog-8-2-awg-duplex-marine-wire-100-ft-tinned","title":"Sea-Dog 8\/2 AWG Duplex Flat Marine Wire, 100 ft, Red\/Yellow","description":"\u003cp class=\"nvn-hero\"\u003eThis is Sea-Dog's 8\/2 AWG duplex flat boat cable, a 100 foot run of tinned copper built for real DC work on the water. Red and yellow conductors under a flat PVC jacket, rated to 600 volts, and stamped UL 1426 and ABYC. It's the wire you run for windlasses, thrusters, and heavy accessory feeds that have to survive a salt environment.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eSea-Dog's 8\/2 AWG duplex safety wire is 100 feet of proper marine cable, the kind you want feeding the loads that actually matter on a boat. You get two 8-gauge conductors, one red and one yellow, laid flat inside a single PVC jacket. Both conductors are stranded tinned copper, and that tinning is the whole point. Bare copper corrodes fast in a salt environment, wicking green up under the insulation until a connection goes high-resistance and warm. Tinned strands shrug that off for years.\u003c\/p\u003e\n\u003cp\u003eThe 8 AWG size puts this in windlass, bow thruster, and heavy accessory territory. Think anchor windlass feeds, an inverter branch, a big livewell pump, or a run to a secondary distribution panel. At 8 gauge you've got real current capacity, but you still need to mind voltage drop on long runs. As a rough guide, a 30 amp load pushed 25 feet on this wire lands right around a 3 percent drop, which is the ABYC target for critical circuits. Go much longer or much heavier and you'll want to step up a gauge or split the load across a parallel run.\u003c\/p\u003e\n\u003cp\u003eThe flat encasement is a genuinely nice feature for tight boats. It lays down behind a headliner or against a stringer without the bulge you get from two round cables zip-tied together, which matters on a 30 to 40 foot hull where every inch of chase counts. Flat also sheds heat a little better in a warm engine space. One caution though. Anywhere the wire crosses a stringer, bulkhead, or sharp edge, give it chafe protection. Split loom or a rubber grommet is cheap insurance against a rub-through you won't find until it's a problem.\u003c\/p\u003e\n\u003cp\u003eWhy red and yellow instead of red and black? On a lot of newer boats yellow is the preferred DC negative color because it's hard to confuse with the black used for AC. Running red positive and yellow negative keeps your DC and AC systems visually separate, which is exactly what a surveyor and the next owner want to see. The whole cable is rated to 600 volts, so there's enormous headroom for any 12, 24, or 32 volt DC system you'll put it on.\u003c\/p\u003e\n\u003cp\u003eStripping it is easy. The red and yellow legs separate cleanly with a utility knife run down the seam, then strip each conductor with a proper wire stripper. Don't hack at the strands with side cutters. Nick a few and you've quietly lost capacity and created a hot spot. Terminate with quality tinned copper lugs and adhesive-lined heat shrink, and the connection will outlast the wire. Untinned terminals on tinned wire is a false economy that shows up as corrosion inside two seasons.\u003c\/p\u003e\n\u003cp\u003eA couple of real-world notes from pulling this stuff. A fresh 100 foot spool likes to hold memory kinks when you unroll it, so lay it out on deck and let it relax, or pull it straight before you feed it through conduit. And respect the temperature rating. The PVC is happy to 105 degrees C dry, but it softens if you route it hard against an exhaust riser or turbo. Keep it clear of those hot spots or add heat shielding.\u003c\/p\u003e\n\u003cp\u003eThis is UL 1426 boat cable and it carries the ABYC nod, so it'll pass a survey and it's the right call for permanent DC wiring below decks. What it isn't is AC shore-power cable or a substitute for battery cable on a starter run, where you want a larger, finer-stranded conductor. For 12 or 24 volt DC feeds in the 8 gauge range, though, this is exactly what belongs on the boat. Buy the 100 foot roll once and you'll be pulling from it for years to come.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e8\/2 AWG duplex construction: two 8-gauge conductors in one flat jacket for windlass, thruster, and heavy accessory feeds\u003c\/li\u003e\n  \u003cli\u003eStranded tinned copper conductors resist the salt corrosion that eats bare copper from the inside out\u003c\/li\u003e\n  \u003cli\u003eFlat PVC encasement lays flat behind headliners and against stringers without the bulge of two round cables\u003c\/li\u003e\n  \u003cli\u003eRated to 600 volts, plenty of headroom for any 12, 24, or 32 volt DC system\u003c\/li\u003e\n  \u003cli\u003ePVC insulation rated 105 degrees C dry and 75 degrees C wet, stays flexible in cold and resists salt water\u003c\/li\u003e\n  \u003cli\u003eRed and yellow conductor coding keeps DC wiring visually separate from AC black\u003c\/li\u003e\n  \u003cli\u003eUL 1426 listed and ABYC compliant, passes survey for permanent below-deck DC wiring\u003c\/li\u003e\n  \u003cli\u003e100 foot roll, enough for multiple runs or a full rewire on a mid-size boat\u003c\/li\u003e\n  \u003cli\u003eSplits cleanly along the seam with a utility knife for fast, clean termination\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\u003eWhat does 8\/2 AWG mean on this wire?\u003c\/summary\u003e\n    \u003cp\u003eIt's 8-gauge wire with 2 conductors, a red and a yellow, run side by side in one flat jacket. That's why it's called duplex. The 8-gauge size handles heavy DC loads like windlasses and thrusters.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat voltage and temperature is it rated for?\u003c\/summary\u003e\n    \u003cp\u003eThe cable is rated to 600 volts, and the PVC insulation is rated 105 degrees C dry and 75 degrees C wet. That gives you huge headroom on any 12, 24, or 32 volt DC system.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this genuine marine-grade wire?\u003c\/summary\u003e\n    \u003cp\u003eYes. The conductors are stranded tinned copper, not bare copper, so they resist salt corrosion. It's UL 1426 listed and ABYC compliant, which is exactly what belongs in a permanent boat installation.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat can I run on 8\/2 AWG duplex?\u003c\/summary\u003e\n    \u003cp\u003eIt suits heavy DC feeds: anchor windlasses, bow thrusters, inverter branches, large pumps, or a run to a secondary distribution panel. On longer runs, check voltage drop and step up a gauge if needed.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhy is it red and yellow instead of red and black?\u003c\/summary\u003e\n    \u003cp\u003eYellow is the preferred DC negative color on many modern boats because it won't be confused with the black used for AC wiring. Running red positive and yellow negative keeps your DC and AC systems clearly separated.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this the same as battery cable or shore-power cable?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is DC boat cable for branch and accessory circuits. It isn't AC shore-power cable, and for a starter or battery run you'd want larger, finer-stranded battery cable instead.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I strip flat duplex wire cleanly?\u003c\/summary\u003e\n    \u003cp\u003eRun a utility knife down the seam between the red and yellow legs to separate them, then strip each conductor with a proper wire stripper. Avoid side cutters, since nicking strands costs you capacity and creates hot spots.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow much voltage drop should I expect on a long run?\u003c\/summary\u003e\n    \u003cp\u003eAs a rough guide, a 30 amp load over 25 feet lands near a 3 percent drop, which is the ABYC target for critical circuits. For longer or heavier runs, upsize the gauge or split the load across a parallel run.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it pass a marine survey?\u003c\/summary\u003e\n    \u003cp\u003eYes. Because it's UL 1426 boat cable with ABYC compliance and tinned copper conductors, it meets the standard a surveyor looks for in permanent below-deck DC wiring.\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\/2 AWG; Flat Encasement; 100 Foot; Red\/ Yellow; Tinned Copper Conductor\/ PVC Insulation; UL\/ ABYC 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\u003e8008222\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e035514800242\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 Count\u003c\/th\u003e\n\u003ctd\u003e2 (Duplex)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConductor Type\u003c\/th\u003e\n\u003ctd\u003eStranded Tinned Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInsulation\u003c\/th\u003e\n\u003ctd\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eJacket Style\u003c\/th\u003e\n\u003ctd\u003eFlat Encasement\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eConductor Colors\u003c\/th\u003e\n\u003ctd\u003eRed \/ Yellow\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\u003eVoltage Rating\u003c\/th\u003e\n\u003ctd\u003e600 Volts\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eTemperature Rating\u003c\/th\u003e\n\u003ctd\u003e105 degrees C Dry \/ 75 degrees C Wet\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eStandards\u003c\/th\u003e\n\u003ctd\u003eUL 1426, ABYC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eDC Marine Wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eKeystone Part Number\u003c\/th\u003e\n\u003ctd\u003eSDG8008222\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\": \"What does 8\/2 AWG mean on this wire?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's 8-gauge wire with 2 conductors, a red and a yellow, run side by side in one flat jacket. That's why it's called duplex. The 8-gauge size handles heavy DC loads like windlasses and thrusters.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What voltage and temperature is it rated for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The cable is rated to 600 volts, and the PVC insulation is rated 105 degrees C dry and 75 degrees C wet. That gives you huge headroom on any 12, 24, or 32 volt DC system.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this genuine marine-grade wire?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The conductors are stranded tinned copper, not bare copper, so they resist salt corrosion. It's UL 1426 listed and ABYC compliant, which is exactly what belongs in a permanent boat installation.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What can I run on 8\/2 AWG duplex?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It suits heavy DC feeds: anchor windlasses, bow thrusters, inverter branches, large pumps, or a run to a secondary distribution panel. On longer runs, check voltage drop and step up a gauge if needed.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Why is it red and yellow instead of red and black?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yellow is the preferred DC negative color on many modern boats because it won't be confused with the black used for AC wiring. Running red positive and yellow negative keeps your DC and AC systems clearly separated.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this the same as battery cable or shore-power cable?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. This is DC boat cable for branch and accessory circuits. It isn't AC shore-power cable, and for a starter or battery run you'd want larger, finer-stranded battery cable instead.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I strip flat duplex wire cleanly?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Run a utility knife down the seam between the red and yellow legs to separate them, then strip each conductor with a proper wire stripper. Avoid side cutters, since nicking strands costs you capacity and creates hot spots.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How much voltage drop should I expect on a long run?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"As a rough guide, a 30 amp load over 25 feet lands near a 3 percent drop, which is the ABYC target for critical circuits. For longer or heavier runs, upsize the gauge or split the load across a parallel run.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it pass a marine survey?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Because it's UL 1426 boat cable with ABYC compliance and tinned copper conductors, it meets the standard a surveyor looks for in permanent below-deck DC wiring.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Sea-Dog","offers":[{"title":"Default Title","offer_id":45000395391069,"sku":"2007877","price":218.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_a6792520-25bb-4208-85c7-56b33bae8c52.png?v=1788742171","url":"https:\/\/nvnmarine.com\/products\/sea-dog-8-2-awg-duplex-marine-wire-100-ft-tinned","provider":"NVN Marine","version":"1.0","type":"link"}