I called them out SSE at 5PM to a high voltage fault, 6pm the first fitter was there and by 7pm they had pulled the fuses at the local transformer and arranged a LV backfeed. They will listen, at the voltages you have found small wall mounted transformers will be starting to go into saturation and seriously over heat...
 
Dno visited and took a reading of 242v, said they would keep an eye on it

what time was that reading,id take a few more as the night wears on,if your hitting 260v theres something wrong,and dont like ringing the dno isnt an excuse really..if it is going that high they will fix it,only if they know about it..
 
That was this afternoon, I'm going to take one later on this evening and in the morning, if it goes up at any point I will have them back out
 
That was this afternoon, I'm going to take one later on this evening and in the morning, if it goes up at any point I will have them back out
might be a late night,you need to check it early hours when demand is at its lowest,
 
I know they do tweek up in some places who sufferer volt drop from machinery and adverse affect happens at the end of the working day, do you live near ind area ? as you say your not for from transformer.
 
It would be interesting to see what the voltage was at the weekends
 
and i always thought the voltage was regulated by a little man in the sub station with a variac.
 
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pure class.
 

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What regulates the voltage
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rmaynard,
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telectrix,
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