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™, 7000031603, Insulator, Cold Shrink, Series: 8430, 93.7 mm Diameter Minimum, 426 mm Diameter Maximum, 1400 psi Tensile Strength, Elongation: 7.5, 365 V/mil Dielectric Strength, EPDM Rubber Insulation, Black

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• Copper conductor with polyolefin foam
• Provides flexible, moisture tight seal
• Unishield®, wire shield, tape shield cable
• 18 in relaxed tube length, 14 in max connector length
• One conductor, 1750 kcmil, 1500 kcmil, 2000 kcmil, 1250 kcmil conductor sizes
• Simple installation which requires no tools
• Sealing of terminal lug barrels, conduit couplings and conduit-to-cable breakouts
• Withstands temperatures of -40 to 194 deg f (-40 to 90 deg c)
• Environmental sealing for communication and other non-electrical applications
• Made of EPDM rubber which contains no chlorides or sulfur
• Covers a wide range of cable cross sections