{"product_id":"3m-7000133521-heat-shrink-sleeve-48-in-polyolefin-clear","title":"3M 7000133521 Heat Shrink Sleeve 48 in Polyolefin Clear","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe 3M 7000133521 is a polyolefin heat shrink sleeve designed for insulating, sealing, and protecting wire splices, terminations, and cable assemblies in electrical applications. It features a 2:1 shrink ratio, starting at 1 inch inside diameter and shrinking down to 1\/2 inch inside diameter after heat is applied at a minimum of 212 degrees F. At 48 inches in overall length, it provides substantial coverage for longer conductor runs or multiple termination points. The clear finish allows visual inspection of the underlying conductor after installation. Licensed electricians and electrical contractors install this sleeve as part of standard wire management and protection work.\u003c\/p\u003e\u003cp\u003eThis heat shrink sleeve suits residential and commercial electrical wiring applications where moisture, corrosion, fungal growth, solvent exposure, and fire hazard are concerns. The minimum compatible wire size is 2 AWG. It is appropriate for use in conduit runs, panel wiring, cable harnesses, and similar enclosed or exposed electrical installations where a durable, insulating sleeve is required.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e2:1 shrink ratio: recovers from 1 inch ID to 1\/2 inch ID\u003c\/li\u003e\n\u003cli\u003e48 inches overall length for long-run coverage\u003c\/li\u003e\n\u003cli\u003ePolyolefin construction rated from -67 degrees F to 275 degrees F operating range\u003c\/li\u003e\n\u003cli\u003eClear color allows post-installation visual inspection\u003c\/li\u003e\n\u003cli\u003eResistant to corrosion, fire, fungus, solvents, and splitting\u003c\/li\u003e\n\u003cli\u003eWall thickness of 0.035 inch after shrinking for reliable insulation integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with conductors 2 AWG and larger where a 1 inch pre-shrink inside diameter and 2:1 shrink ratio provide appropriate fit. Verify conductor and insulation diameter against sleeve recovered ID before installation.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation requires de-energizing and locking out the circuit before applying the sleeve over any conductor or termination. Apply heat evenly along the sleeve using a heat gun, working from the center outward to avoid trapping air. Do not exceed the rated maximum operating temperature of 275 degrees F during recovery or in service. Follow applicable NEC requirements for insulation and conductor protection in the jurisdiction of the installation.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Polyolefin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrink Ratio\u003c\/strong\u003e: 2:1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter Before Shrinking\u003c\/strong\u003e: 1 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter After Shrinking\u003c\/strong\u003e: 1\/2 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 48 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Thickness After Shrinking\u003c\/strong\u003e: 0.035 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShrink Temperature\u003c\/strong\u003e: 212 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Operating Temperature\u003c\/strong\u003e: -67 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Operating Temperature\u003c\/strong\u003e: 275 degrees F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Compatible Wire Size\u003c\/strong\u003e: 2 AWG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: Clear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.16 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ABS Type Approved, AMS3636, AMS3637, CSA Certified, CSA LR38227, DTL-23053\/5 Class 1 Class 2, RoHS Compliant, UL Recognized File E39100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 7000133521\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51692155273522,"sku":"7000133521","price":75.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/232329818.jpg?v=1788293841","url":"https:\/\/voomisupply.com\/products\/3m-7000133521-heat-shrink-sleeve-48-in-polyolefin-clear","provider":"Voomi Supply","version":"1.0","type":"link"}