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HV / LV Cables In Air - Heat Gain (Solar Radiation)

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Colin Flatters

Electrical
Joined
Jun 26, 2023
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2
Location
GB
Are there any useful resources / guidance available for cable derating where cabes are exposed to solar radiation withour revertin to first principles (though i suspect I will have to do so). Using red HV cable sheaths is common practice in the UK and should reduce the heat gain if my old schoolboy physics principles havent failed me completely.
. Any pragmatic help welcome
 
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