{"product_id":"14mm-heat-shrink-tubing-2-1-electrical-insulation-sleeving","title":"14mm Heat Shrink Tubing 2:1 — Electrical Insulation Sleeving, 7 Colors","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right length of heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the total cable run you need to cover, then add 10–15% extra for trimming and overlap. For example, a 3-meter wire harness typically needs at least a 5-meter roll to allow for cuts and positioning. Available lengths range from 1 meter (≈3.3 ft) to 30 meters (≈98.4 ft).\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What shrink ratio does this tubing use, and what does 2:1 mean?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This tubing uses a 2:1 shrink ratio, meaning it shrinks to approximately half its original diameter when heat is applied. The 14mm pre-shrink inner diameter generally reduces to around 7mm (≈9\/32\\u2033) after shrinking.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What temperature is needed to shrink this tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin heat shrink tubing typically activates at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is recommended for even, controlled shrinkage. A lighter can work in a pinch but may cause uneven results or scorching.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this heat shrink tubing suitable for outdoor or marine use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Standard polyolefin 2:1 tubing generally provides good moisture resistance for indoor and light outdoor use. For fully waterproof or marine applications, an adhesive-lined (3:1 or 4:1) variant is generally recommended. Contact us to confirm suitability for your specific environment.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What wire gauge or cable diameter fits inside 14mm heat shrink tubing?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The 14mm pre-shrink inner diameter typically accommodates cable bundles or connectors up to about 12–13mm in diameter. After shrinking, it fits snugly around cables typically in the 6–8mm range. Always measure your cable's outer diameter before selecting a size.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this tubing flame-retardant and RoHS compliant?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Polyolefin heat shrink tubing of this type is generally flame-retardant and meets common electrical safety standards. RoHS compliance is typical for this material category. Contact us to confirm certification documentation for your specific application.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use this tubing for automotive wiring repairs?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, 14mm heat shrink tubing is commonly used for automotive wiring harnesses, connector insulation, and cable bundling. It handles the vibration and temperature ranges typically found in engine bays and interior wiring. For high-heat zones near exhaust components, verify the operating temperature range before use.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e14mm Heat Shrink Tubing 2:1 — Reliable Electrical Insulation for Every Wire Job\u003c\/h2\u003e\n    \u003cp\u003eWhether you're rewiring a car, tidying up a home electrical panel, or protecting exposed cables in a workshop, finding tubing that actually grips, insulates, and holds up over time is half the battle. This 14mm heat shrink tubing is built for DIYers, electricians, and hobbyists who need a dependable, clean-looking solution without overpaying for a bulk industrial spool.\u003c\/p\u003e\n    \u003cp\u003eEach order includes a continuous length of polyolefin heat shrink tubing with a 2:1 shrink ratio and a pre-shrink inner diameter of 14mm (≈9\/16\"). Available in lengths from 1 meter (≈3.3 ft) to 30 meters (≈98.4 ft), and in 7 colors — Black, White, Red, Green, Yellow, Blue, and Transparent — so you can color-code circuits or match your existing wiring scheme.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include automotive wiring harness repair, electrical cable insulation for home DIY projects, marine wire bundling in low-moisture environments, and color-coded circuit identification in control panels or hobby electronics builds.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔌\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits cables and connectors with an outer diameter up to approximately 12–13mm. After shrinking, inner diameter is typically around 7mm (≈9\/32\"). Verify your cable OD before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These 14mm Heat Shrink Tubes\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e2:1 Shrink Ratio\u003c\/strong\u003e — Shrinks to approximately half its original diameter, creating a firm, uniform grip around cables and connectors for secure electrical insulation.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e7 Color Options\u003c\/strong\u003e — Available in Black, White, Red, Green, Yellow, Blue, and Transparent for easy color-coded wiring identification in automotive, marine, and DIY electrical projects.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlame-Retardant Polyolefin\u003c\/strong\u003e — Made from polyolefin material that is generally flame-retardant and resistant to moisture, chemicals, and abrasion — suitable for indoor wiring and light outdoor cable protection.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Length Selection\u003c\/strong\u003e — Choose from 1m, 5m, 10m, 15m, 20m, or 30m rolls so you only buy what you need, whether it's a single repair or a full wiring harness job.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow Activation Temperature\u003c\/strong\u003e — Begins shrinking at approximately 90°C (194°F), making it compatible with standard heat guns and easy to apply without scorching surrounding materials.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eEasy to Cut and Position\u003c\/strong\u003e — The tubing cuts cleanly with standard scissors or a utility knife and slides easily over connectors before shrinking, reducing installation time on heat shrink wire insulation jobs.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — 14mm Heat Shrink Tubing\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyolefin\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShrink Ratio\u003c\/th\u003e\n\u003ctd\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePre-Shrink Inner Diameter\u003c\/th\u003e\n\u003ctd\u003e14mm (≈9\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePost-Shrink Inner Diameter\u003c\/th\u003e\n\u003ctd\u003eTypically ~7mm (≈9\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eActivation Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically ~90°C (194°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFull Shrink Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically ~120°C (248°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOperating Temperature Range\u003c\/th\u003e\n\u003ctd\u003eSee variant options \/ Contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColors Available\u003c\/th\u003e\n\u003ctd\u003eBlack, White, Red, Green, Yellow, Blue, Transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1m (≈3.3 ft), 5m (≈16.4 ft), 10m (≈32.8 ft), 15m (≈49.2 ft), 20m (≈65.6 ft), 30m (≈98.4 ft)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFlame Retardant\u003c\/th\u003e\n\u003ctd\u003eGenerally yes — typical for polyolefin type\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWaterproof \/ Adhesive-Lined\u003c\/th\u003e\n\u003ctd\u003eNo — standard 2:1 (non-adhesive); contact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWall Thickness (pre-shrink)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApplication Tool\u003c\/th\u003e\n\u003ctd\u003eHeat gun recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e For fully waterproof or adhesive-sealed connections (e.g., marine or underground use), consider an adhesive-lined 3:1 or 4:1 heat shrink variant. Contact us if you need help selecting the right type.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right length of heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMeasure the total cable run you need to cover, then add 10–15% extra for trimming and overlap. For example, a 3-meter wire harness typically needs at least a 5-meter roll to allow for cuts and positioning. Available lengths range from 1 meter (≈3.3 ft) to 30 meters (≈98.4 ft).\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat shrink ratio does this tubing use, and what does 2:1 mean?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThis tubing uses a 2:1 shrink ratio, meaning it shrinks to approximately half its original diameter when heat is applied. The 14mm pre-shrink inner diameter generally reduces to around 7mm (≈9\/32\") after shrinking, forming a tight seal around your cable or connector.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat temperature is needed to shrink this tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing typically activates at around 90°C (194°F) and fully shrinks at approximately 120°C (248°F). A heat gun is recommended for even, controlled shrinkage. A lighter can work in a pinch but may cause uneven results or scorching on the tubing surface.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this heat shrink tubing suitable for outdoor or marine use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eStandard polyolefin 2:1 tubing generally provides good moisture resistance for indoor and light outdoor use. For fully waterproof or marine applications, an adhesive-lined (3:1 or 4:1) variant is generally recommended. Contact us to confirm suitability for your specific environment.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat wire gauge or cable diameter fits inside 14mm heat shrink tubing?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThe 14mm pre-shrink inner diameter typically accommodates cable bundles or connectors up to about 12–13mm in outer diameter. After shrinking, it fits snugly around cables typically in the 6–8mm range. Always measure your cable's outer diameter before selecting a size to ensure a proper fit.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs this tubing flame-retardant and RoHS compliant?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003ePolyolefin heat shrink tubing of this type is generally flame-retardant and meets common electrical safety standards. RoHS compliance is typical for this material category. Contact us to confirm certification documentation for your specific application or compliance requirement.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use this tubing for automotive wiring repairs?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes, 14mm heat shrink tubing is commonly used for automotive wiring harnesses, connector insulation, and cable bundling. It handles the vibration and temperature ranges typically found in engine bays and interior wiring. For high-heat zones near exhaust components, verify the operating temperature range before use.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your color and length above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Black \/ 1 Meter","offer_id":52330939973906,"sku":"GLFBFHHGLBZSJ000142x1","price":6.47,"currency_code":"USD","in_stock":true},{"title":"White \/ 1 Meter","offer_id":52330940006674,"sku":"GLFBFHHGLBZSJ000143x1","price":6.69,"currency_code":"USD","in_stock":true},{"title":"Red \/ 1 Meter","offer_id":52330940039442,"sku":"GLFBFHHGLBZSJ000144x1","price":6.69,"currency_code":"USD","in_stock":true},{"title":"Green \/ 1 Meter","offer_id":52330940072210,"sku":"GLFBFHHGLBZSJ000145x1","price":6.69,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 1 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