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Fire resistance cables
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12 years 11 months ago #183 by Archived Forum Admin
Fire resistance cables was created by Archived Forum Admin
Can we make fire resistant cables (mica tape around conductor) for aluminum cables like (AL/MICA/XLPE/SWA/LSHF)?
M.Mansour
M.Mansour
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12 years 11 months ago #184 by Archived Forum Admin
Replied by Archived Forum Admin on topic Re: Fire resistance cables
Hello again,
Keeping in mind that the melting point of aluminum is 660C (1220F) and that the melting point of copper is 1084C (1983F), it depends on the specification you are trying to achieve.
Regards
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212
Keeping in mind that the melting point of aluminum is 660C (1220F) and that the melting point of copper is 1084C (1983F), it depends on the specification you are trying to achieve.
Regards
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212
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12 years 11 months ago #185 by Archived Forum Admin
Replied by Archived Forum Admin on topic Re: Fire resistance cables
Thanks for your usual cooperation
But on the other hand, does mica tape make thermal isolation for conductor so temperature will not reach melting value? For example IEC 60331 for 750 C , in this case does conductor temperature also reach 750 C or not!
M. Mansour
But on the other hand, does mica tape make thermal isolation for conductor so temperature will not reach melting value? For example IEC 60331 for 750 C , in this case does conductor temperature also reach 750 C or not!
M. Mansour
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12 years 11 months ago #186 by Archived Forum Admin
Replied by Archived Forum Admin on topic Re: Fire resistance cables
Mica insulation does not burn because it is a mineral. Its heat transfer characteristics may slow heat transfer down for a long enough period of time to pass some time defined test but it will not stop heat transfer from occurring.
You will have to perform some experiments to see if your design passes the required specification
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212
You will have to perform some experiments to see if your design passes the required specification
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
519 641- 3212
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