{"product_id":"gs-power-18-awg-duplex-marine-wire-200-ft-flexible-marine-grade","title":"GS Power 18 AWG Duplex Marine Wire 200 Ft - Flexible Marine Grade","description":"\u003cp\u003eIn this review of the GS Power 18 AWG duplex marine wire, the bottom line is clear: this cable is built for boaters and vehicle owners who need a flexible, weatherproof 18 gauge run for lighting, speakers, and low-voltage accessories. The reviewer found the single biggest reason to buy is its combination of ultra-flexible Type III stranding and tinned oxygen-free copper conductors, which make it easy to route in tight spaces while resisting corrosion in saltwater environments. Overall it reads like a practical workhorse for marine and outdoor wiring projects.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e200 ft duplex roll:\u003c\/strong\u003e Provides a long continuous length of paired red and black conductors for extended runs without splicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOxygen-free tinned copper:\u003c\/strong\u003e Tinning improves corrosion resistance for reliable electrical connection in marine and coastal use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-flexible Type III stranding:\u003c\/strong\u003e The 26\/0.0100 strand construction keeps the cable pliable for routing through conduits, tight engine bays, and around fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable insulation and jacket:\u003c\/strong\u003e The red and black conductor sheaths plus a white PVC outer jacket resist salt water, oil, gasoline, abrasion, and UV exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh temperature ratings:\u003c\/strong\u003e Rated 105C dry and 75C wet, so the wire tolerates heat and wet environments common on boats and trailers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards compliant:\u003c\/strong\u003e Engineered to meet SAE, ABYC, UL, and Coast Guard expectations for marine grade electrical wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe GS Power 18 AWG duplex wire is aimed at DIY boat owners, marine electricians, and vehicle technicians who need a flexible, corrosion-resistant 18 gauge run for radios, lighting, speakers, and accessory power in wet or outdoor environments. Its long 200 ft roll and paired conductors suit rewiring pontoon boats, bass boats, trailers, and RV or camper projects where durability matters.\u003c\/p\u003e\n\u003cp\u003eCustomers needing heavy current runs, main power feed lines, or stranded 10 or 12 gauge replacements should look at thicker gauges instead; this 18 AWG is intended for low-voltage accessories and signal or lighting circuits rather than high-amperage feeds.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent corrosion resistance from tinned oxygen-free copper, ideal for saltwater exposure.\u003c\/li\u003e\n\u003cli\u003eVery flexible Type III stranding makes routing and termination far easier in cramped spaces.\u003c\/li\u003e\n\u003cli\u003eDurable PVC jacket and conductor insulation resist chemicals, abrasion, and UV for long service life.\u003c\/li\u003e\n\u003cli\u003eLong 200 ft duplex roll reduces the need for splices on larger projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome users may find 18 AWG stiffer than expected compared with smaller signal wire, so handling feel can vary.\u003c\/li\u003e\n\u003cli\u003eNot suitable for high-amperage runs; choose a thicker gauge for power feeds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eGauge\u003c\/td\u003e\n\u003ctd\u003e18 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e200 ft duplex roll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConductor\u003c\/td\u003e\n\u003ctd\u003eOxygen-free tinned copper, 26\/0.0100 stranding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation\u003c\/td\u003e\n\u003ctd\u003eRed \u0026amp; black conductor sheaths with white PVC jacket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage rating\u003c\/td\u003e\n\u003ctd\u003e600 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature rating\u003c\/td\u003e\n\u003ctd\u003e105C dry \/ 75C wet, flexible to -40F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eMeets SAE, ABYC, UL, and Coast Guard requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe GS Power 18 AWG duplex marine wire is a solid choice for anyone rewiring boat accessories, speakers, lighting, or trailer circuits where corrosion resistance and flexibility matter. It delivers good value with a long 200 ft roll, tinned oxygen-free copper conductors, and robust insulation that stands up to marine conditions. Choose this cable for accessory and low-voltage runs, and step up to thicker gauges when you need higher current capacity.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this wire suitable for running speaker lines on a boat?\u003c\/strong\u003e\u003cbr\u003eYes. The tinned copper conductors and flexible stranding make it well suited for marine speaker wiring and other low-voltage audio runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this wire for trolling motor power?\u003c\/strong\u003e\u003cbr\u003eIt can be used for small accessory circuits but is not recommended for high-amperage trolling motor main feeds; use a heavier gauge for primary motor power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it handle salt water and UV?\u003c\/strong\u003e\u003cbr\u003eThe PVC jacket and tinned copper conductors are designed to resist salt water corrosion and UV degradation for reliable outdoor service.\u003c\/p\u003e","brand":"GS Power","offers":[{"title":"Default Title","offer_id":48256884343003,"sku":"B084KWNNGK","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/616EroiG8HL._AC_SL1500.jpg?v=1778326524","url":"https:\/\/gearmusthave.com\/products\/gs-power-18-awg-duplex-marine-wire-200-ft-flexible-marine-grade","provider":"GearMustHave","version":"1.0","type":"link"}