{"product_id":"8428-12","title":"8428-12 - 3M 12-Inch EPDM Rubber Cold Shrink Connector Insulator 1000V 8420 Series","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003e8428-12\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003e8428-12\u003c\/b\u003e is a 12-inch EPDM rubber cold shrink connector insulator from 3M's 8420 Series designed for primary insulation of solid dielectric insulated wires and cable splices rated up to 1000 volts.\u003cp\u003eThis cold shrink insulator features simple, tool-free installation by removing the core after positioning over inline connectors or cable splices, forming a secure, water-resistant seal. It accommodates a wide range of cable sizes with a minimum cable diameter of 0.95 inches and maximum insulator diameter of 1.94 inches. The EPDM rubber material provides excellent thermal stability and prolonged resiliency, suitable for indoor and outdoor applications with operating temperatures from -40°F to 194°F (-40°C to 90°C). It is flame-retardant and ideal for insulating secondary splices, direct-buried or submersible repairs, and physical protection of connectors or lugs.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: 3M\u003c\/li\u003e\n\u003cli\u003ePart Number: 8428-12\u003c\/li\u003e\n\u003cli\u003eSeries: 8420 Cold Shrink\u003c\/li\u003e\n\u003cli\u003eMaterial: EPDM Rubber\u003c\/li\u003e\n\u003cli\u003eLength: 12 inches (305 mm)\u003c\/li\u003e\n\u003cli\u003eVoltage Rating: 1000 volts\u003c\/li\u003e\n\u003cli\u003eMinimum Cable Diameter: 0.95 inches (24.1 mm)\u003c\/li\u003e\n\u003cli\u003eMaximum Insulator Diameter: 1.94 inches (49.2 mm)\u003c\/li\u003e\n\u003cli\u003eConductor Size Range: Up to 800 MCM\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -40°F to 194°F (-40°C to 90°C)\u003c\/li\u003e\n\u003cli\u003eFlame-Retardant\u003c\/li\u003e\n\u003cli\u003eTool-Free Installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAt \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                         \u003c\/p\u003e\u003ch3\u003e\u003cb\u003eAdditional Information\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003e500-800 kcmil\u003c\/p\u003e\u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: 8428-12\u003c\/li\u003e                                             \u003cli\u003eManufacturer : 3M\u003c\/li\u003e\n\u003cli\u003eBrand : 3M\u003c\/li\u003e\n\u003cli\u003eCategory : Wiring Devices\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Cable Management\u003c\/li\u003e\n\u003cli\u003eSection  : Sleeves \u0026amp; Tubing\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUPC : 054007090564\u003c\/li\u003e\n\u003cli\u003eGTIN : 00054007090564\u003c\/li\u003e\n\u003cli\u003eCountry of Origin : United States\u003c\/li\u003e\n\u003cli\u003eDimensions : 0.949 in x 1.937 in x 24.1 mm\u003c\/li\u003e\n\u003cli\u003eWeight : 5.5 lb\u003c\/li\u003e\n\u003cli\u003eCertification : ANSI C119.1\u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"3M","offers":[{"title":"New","offer_id":53010662817951,"sku":"8428-12-New","price":87.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/Screenshot2025-03-14at3.24.08PM.png?v=1741987461","url":"https:\/\/essentialparts.com\/products\/8428-12","provider":"Essential Electric Supply","version":"1.0","type":"link"}