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FIGURE 7: Temperature and pressure profile used to qualify
heat-shrink cable accessories for use in nuclear power plant
environments. (TE Connectivity)
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TE Connectivity / AMP Connectors
Universal MATE-N-LOK Pin & Socket
Connectors
TE Connectivity
Industrial Resolvers
Conclusion
Heat-shrink cable accessories have been successfully
used for more than 40 years in low-, medium-, and
high-voltage networks. One of the challenging
areas they are in use is harsh environments with,
high UV requirements, heavy pollution, salt fog
environments, and areas where oil barrier, flame
retardant, or even fire-resistant properties are needed.
Nuclear environments are one of the most severe
environments where heat shrink cable accessories are
in use today and have to fulfill safety-related functions
in accident conditions.
The investigation in heat shrink material
formulation started more than 50 years ago
has been the foundation to establish optimum
formulations in heat shrink cable accessories to
service properly in these harsh environments. Zero
halogen heat shrink products can be combined
with additional fire protection materials to achieve
system integrity for up to 180 minutes to achieve
fire-resistant properties. ■
