3M™ Cold Shrink Connector Insulators 8420 and 8430 Series are designed using 3M's proprietary cold shrink delivery system. Products are supplied prestretched on a removable core for efficiency and ease of installation. Removal of the core (unwinding) after positioning the splice allows the product to shrink into position forming a moisture-tight seal. The live memory action of the specially formulated EPDM material promotes a permanent, durable environmental seal and insulation.

3M™ Connector Insulator, Cold Shrink, Series: 8420, 67.8 mm Minimum Dia, 32.2 mm Maximum Dia, 1400 PSI Tensile, 7.5 Elongation, 365 V/mil Dielectric, EPDM Rubber Insulation, Black

• Specification Sheet https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_1520587504542.pdf
• Specification Sheet https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://www.ideadigitalcontent.com/files/11579/ID-SPE-v1-tttttviZIdW5_y7VoyAcoZ0t2XV62EW9iXut2Xut2tttttt.pdf
• Technical Drawing https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/IDW_DOCUMENT_1520563608923.pdf
• Technical Drawing https://www.iesbuy.com//ASSETS/DOCUMENTS/ITEMS/EN/https://www.ideadigitalcontent.com/files/NEURDRW/18584.pdf

• Simple installation, requires no tools and accommodates a wide range of cable sizes
• Copper conductor with polyolefin foam
• No torches or heat required, good thermal stability
• Seals tight, retains its resiliency and pressure even after prolonged years of aging and exposure
• Excellent wet electrical properties
• Tough rubber formulation withstands backfilling
• Water-resistant, no mastic or tape required to seal
• Resists acids and alkalis, resists ozone
• Primary electrical insulation for all solid dielectric (rubber and plastic) insulated wire and cable splicing rated up to 1000 volts
• Physical protection and moisture sealing for air-insulated connectors and lugs such as spacer cable and lug connections to bus bar
• Insulation of secondary splices, copper or aluminum conductors
• Relocation of service, dig-in repairs, sheath repairs, environmental sealing for communication and other non-electrical applications
• Insulation of inline conductor transition connectors
• -40 to 194 deg F temperature rating, 1 kV voltage rating
• UniShield®, wire shield, non-shielded, tape shield cable
• 18 in relaxed tube length, 14 in max connector length
• 1.27 min cable dia for seal, 2.67 in max dia insulator cable or connector covers
• 900 - 1000 kcmil conductor size
• 1 conductor
• 10/Case