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  7. 3M™ Cold Shrink Insulator, 8428-12P, 500-800 kcmil (300-400 mm²), up to 1 kV

3M™ Cold Shrink Insulator, 8428-12P, 500-800 kcmil (300-400 mm²), up to 1 kV

3M ID 7000132745
  • Quick and easy installation, no special tools and no heat required
  • Seals tight, retains resiliency and pressure
  • Resistant to acids, alkalies, UV light
  • No special tools or heat source required
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Specifications
Applications
Insulation, mechanical protection, repair
Brand
3M™
Cable Shielding
Tape Shield, UniShield®, Wire Shield
Cable Type
Power Cable
Case Quantity
10
Colour Family
Black
Conductor Material
Aluminum, Copper
Conductor Sizes (Imperial)
500 kcmil, 600 kcmil, 650 kcmil, 700 kcmil, 750 kcmil, 800 kcmil
Connector Included
No
Dielectric Strength (V/mil)
365 V/mil
Elongation
750 %
Indoor/Outdoor
Both
Inner Diameter After Shrink (Imperial)
0.949 in
Inner Diameter After Shrink (Metric)
24.1 mm
Inner Diameter Before Shrink (Imperial)
1.937 in
Inner Diameter Before Shrink (Metric)
49.2 mm
Manufacturing Origin
USA
Material
EPDM Rubber
Maximum Conductor Size (Imperial)
800 kcmil
Maximum Connector Length
8.0 in
Maximum Connector Length (metric)
203.2 mm
Maximum Operating Temperature (Celsius)
90 °C
Maximum Operating Temperature (Fahrenheit)
194 °F
Minimum Conductor Size (Imperial)
600 kcmil
Minimum Operating Temperature (Fahrenheit)
-40 °F
Model
Cold-shrink
Number of Conductors
1
Product Type
Splice
Relaxed Tube Length
12 in
Relaxed Tube Length (Metric)
304.8 mm
Splice Type
Cold Shrink
Voltage
1 kV
Voltage Application
Low Voltage
Details
  • Quick and easy installation, no special tools and no heat required
  • Seals tight, retains resiliency and pressure
  • Resistant to acids, alkalies, UV light
  • No special tools or heat source required
  • Accommodates a wide range of cable sizes

This splice meets requirements of ANSI C119-1 and Western Underground Guide 2.14 for secondary splices rated up to 1 kV.

3M™ Cold Shrink Tubes are designed using a unique cold shrink delivery system. Products are supplied pre-stretched on a removable core for efficiency and ease of installation. Removal of the core (unwind) after positioning allows the product 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.

Suggested Applications

  • Primary electrical insulation for all solid dielectric (rubber and plastic) up to 1kV
  • Direct burial and submersible applications
  • Insulate tape shield, wire shield or UniShield® cable
  • Environmental sealing for communications and other non-electrical applications
  • Sheath repairs
  • Physical protection and moisture sealing for air-insulated connectors and lugs such as spacer cable and lug connections to bus bar
  • Insulating secondary splices