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IEC/TR 62470:2011

Guidance on techniques for the measurement of the coefficient of friction (COF) between cables and ducts

General information
Valid from 21.10.2011
Directives or regulations
None
Standard history
Status
Date
Type
Name
21.10.2011
Main
IEC/TR 62470:2011(E) describes three techniques to measure the coefficient of friction (COF) between cables and ducts. For a given technique, cable construction, installation method (pulling, pushing, or blowing), and duct size, the relative values of the COF can give some indication as to the relative ease of installation. The techniques can be used for traditional cables and ducts (see IEC 60794-3-10) as well as for microduct cables and microducts (see IEC 60794-5). A fibre or fibre unit may be evaluated in place of a cable in all techniques.
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