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Posted to uk.d-i-y
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Beeping from consumer unit
In article ,
wrote:
Well provided you've not locked a parrot in their or other bird that
can immitate such sounds.....
below is unlikely but I had a similar noise I had an similar buzzing
noise once which increased in magnitude as I drew more current, which I
was very worried by. Started at around 3KW. At the time I had two
remote sensors clammped around the incoming live. One was from my free
npower unit, which had stopped working a few weeks before, and another
I had added recently.
I removed the npower clamp on unit, and all seemed to be working again
without the sound. The only thing I can think of was that the 2 clamp
connectors might have been making some sort of transormer between the
two and producing some sort of mechanical vibration but couldn't be
sure. Anyway after the struggle of removing the clamp and breaking it,
I wasn't going to put it back to check 
It was also a day or so after my meter was replaced, so my fisrt
thought was that it was something wrong in the meter or some sort of
calibration it did on itself but has no idea what it could be.
It's not a buzzing noise. It's a regular "beep" or "chirp", exactly like
that of a smoke detector when the battery is running down. There is no
smoke detector or any other battery-driven device in the cupboard; only
the gas "box" (big brown thing with a lever on it) and the consumer unit.
mobile phone?
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