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Wiring Regulations Literary Question

Former Community Member
Former Community Member
Hello all, I wonder if someone can help me please?

https://en.wikipedia.org/wiki/Voltage_optimisation#Overvoltage

I'm trying to get a reference for a section in this wikipedia article to put in a report I'm writing but I can't find the original source. Under the "Common Power Quality Problems > Overvoltage" section there is a sentence that describes "A 230 V rated lamp used at 240 will achieve only 55% of its rated life". From the article I believe it is from the book "Commentary on IET Wiring Regulations 17th Edition" from 2016, ISBN 1849197652.


I have tried to find it in a library as I don't have £90 to drop on a new copy of it, just to see if it is this book I should be referencing in my report, but I've had no luck there. Is there perhaps anyone with this book that knows whether or not the quote does indeed come from it or not?


Any assistance with this query would be greatly appreciated.

Thanks in advance

Alan
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    not as another  graph, the indication in the text is that it is substantially the same, with the efficiency curve moved up a bit, so less watts for the same lumens,but the same trends.


    I;d expect quartz halogen to have a slightly different slope on the life curve however, as the filament evaporates and self repairs to a degree.

    Mike.
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    not as another  graph, the indication in the text is that it is substantially the same, with the efficiency curve moved up a bit, so less watts for the same lumens,but the same trends.


    I;d expect quartz halogen to have a slightly different slope on the life curve however, as the filament evaporates and self repairs to a degree.

    Mike.
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