3M™ 054007-42391 8420 Cold Shrink Insulator, 0.4 in Min Dia, 0.82 in Dia, 8 in L, 1400 psi Tensile, EPDM Rubber

Electrical Insulators
5774 MFG #: 8425-8
22.82000 / ea
3M™ 8420 Cold Shrink Connector Insulator is an open-ended, tubular sleeve that provides ozone, acids and alkalis resistance. This environmental sealing insulator offers primary electrical insulation for 1 kV-rated applications. The tough, durable, EPDM rubber construction makes the insulator withstand operating temperatures of -40 to 194 deg F (-40 to 90 deg C). 3M™ 8420 Connector Insulator is designed for use on all solid dielectric insulated wires and cable splices. This cold shrink insulator offers moisture-tight sealing while maintaining its prolonged resiliency and pressure. It is ideal for insulating secondary splices, direct-buried or submersible, dig-in repairs and physical protection of high-voltage, air-insulated connectors or lugs.
  • Applications
  • Features
Indoor and Outdoor, Relocation of Service, Dig-in Repairs, Sheath Repairs
Specially designed for primary insulation of solid dielectric insulated wires and cable splicing rated to 1000 V
Simple installation which requires no tools
Suitable for insulating secondary splices, direct-buried or submersible and dig-in repairs
Insulates cable or connectors within a diameter range of 0.40 to 0.82 in
Accommodates 2 to 1/0 AWG conductor sizes
Made of EPDM rubber which contains no chlorides or sulfur
Withstands temperatures of -40 to 194 deg F
Environmental sealing for communication and other non-electrical applications
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
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 V
Direct burial and submersible
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
Insulation of inline conductor transition connectors