3M™ Cold Shrink Connector Insulators 8420 and 8430 Series are EPDM tubes designed using a unique Cold Shrink delivery system. Products are supplied pre-stretched on a removable core for efficiency and easy of installation. Removal of the core (unwind) after positioning allows the tube to shrink into position forming a moisture-tight seal. The live memory action of the specially formulated material ensures a permanent, durable environmental seal and insulation.

3M™, 7000005944, Insulator, Cold Shrink, Series: 8420, 49.2 mm Diameter Minimum, 24.1 mm Diameter Maximum, 1400 psi Tensile Strength, Elongation: 7.5, 365 V/mil Dielectric Strength, EPDM Rubber Insulation, Black

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• 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
• Resists acids, alkali and ozone
• Physical protection and moisture sealing for air insulated connectors and lugs such as spacer cable and lug connections to bus bar
• Relocation of service, dig-in repairs, sheath repairs, environmental sealing for communication and other non-electrical applications
• Unishield®, wire shield, non-shielded, tape shield cable
• 18 in relaxed tube length, 14 in maximum connector length
• One conductor, 650 kcmil, 750 kcmil, 500 kcmil, 800 kcmil, 700 kcmil, 600 kcmil conductor sizes
• Temperature range, withstands temperatures of -40 to 194 deg f (-40 to 90 deg c)
• STABILITY - 5-year shelf life (from date of manufacture)