3M Cold Shrink Tubing, Black 35mm Sleeve Dia. x 305mm Length, 8420 Series

The 3M 8420 series black 305mm cold shrink connector insulator is an open-ended, tubular, rubber sleeve. It is factory expanded and assembled onto a removable core. The core is removed after the tube is positioned for installation over an inline connection and terminal lug. This allows the tube to shrink and form a water-resistant seal. The insulating tube is made of EPDM rubber which does not contain chlorides or sulfur. It is available in diameter sizes that cover a range of cable up to 1000V for copper and aluminium conductors.

• Conductor size range between 250kcmil and 400kcmil
• Sleeve diameter is 35.1mm
• Shrunk diameter 16.8mm
• Excellent wet electrical properties
• Good thermal stability
• Improved, tougher rubber formulation to withstand backfilling
• No mastic or tape required to seal
• No torches or heat required
• Resists acids and alkalis, resists ozone
Seals tight, retains its resiliency and pressure even after prolonged years• of aging and exposure
• Physical protection and moisture sealing for high voltage, air-insulated connectors and lugs such as spacer cable and lug connections to bus bar
• Simple installation, requires no tools
• Directly buriable or submersible
• Thick-walled to resist puncture and damage
• Water-resistant
• Operating temperature ranging between -40°C and 90°C

• Dig-in repairs
• Direct burial or submersible. For indoor and outdoor
• Environmental sealing for communication and other non-electrical applications
• Insulation of secondary splices, copper, or aluminium conductors
• Physical protection and moisture sealing for air-insulated connectors and lugs such as spacer cable and lug connections to bus bar
• Primary electrical insulation for all solid dielectric (rubber and plastic) insulated wire and cable splicing rated to 1000V
• Relocation of service
• Sheath repairs

Meets the water seal requirements of ANSI C119.1

3M is a trusted name in connector and wiring solutions, providing high quality cables, connectors and accessories. From industrial computing to domestic applications, 3M provides the reliable and versatile product range you need.