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Ambient Temperature Correction Factor

ianlloyd

When calculating cable CCC in the UK for an out door installation, the maximum recorded ambient temperature in some areas is >35 deg. C - I assume therefore that this value should be selected from Table 4B1 for the correction factor if the installation is in such a location?

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  • For 70c thermoplastic at 38c, the correction factor results in a ccc of 94% of ccc at 30c. It is not until ambient gets to 40c does it become slightly more onerous at 87% of ccc at 30c.

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  • For 70c thermoplastic at 38c, the correction factor results in a ccc of 94% of ccc at 30c. It is not until ambient gets to 40c does it become slightly more onerous at 87% of ccc at 30c.

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