"Iain Churches" <IainNG@[EMAIL PROTECTED]
> wrote in message
news:MZN%j.9257$_03.4343@[EMAIL PROTECTED]
>
>
> "Jim Gregory" <jim.greg@[EMAIL PROTECTED]
> wrote in message
> news:jKE%j.20988$Zs3.14821@[EMAIL PROTECTED]
>>
>> "Eeyore" <rabbitsfriendsandrelations@[EMAIL PROTECTED]
> wrote in message
>> news:483EA2A2.461A042@[EMAIL PROTECTED]
>>>
>>>
>>> wb wrote:
>>>
>>>> Hi,
>>>>
>>>> When I was a kid in the 60's I distinctly remember measuring the
>>>> line voltage at the wall sockets with my Simpson 260 and it measured
>>>> 117
>>>> - 120 volts AC. I measure pretty much the same where I am now. Line
>>>> voltages vary from place to place. the voltages have been called 120,
>>>> 115, 117 and 110 in my lifetime.
>>>
>>> The 'official US voltage is 120V.
>>>
>>>> 220 has been called 220, 230 and 240.
>>>
>>> No.
>>>
>>> In mainland Europe the mains was typically 220V and in the UK it was
>>> 240V.
>>>
>>> For 'EU harmonsation reasons' it's been decided to call it 230V
although
>>> it
>>> may now measure a nominal 220, 230 or 240V since few places have
>>> actually
>>> changed anything ! Where I live it actually measures 250V.
>>>
>
>> You must live close to a substation's secondary. Voltage Harmonisation
>> levels are legal entities. How often do your 230V tungsten lamps die?
Can
>> you not sue the Board for device-failure costs if your single-phase
>> busbar
>> exceeds 6% of the advertised 230V, ie, when reaching 244V or more?
>> Jim
>
> Yes. The provider has a legal responsibility to keep both voltage and
> frequency within the limits stipulated I thought I had read, Jim, that
> the
> limit was 230V-6% / +10%, so at 253V in the UK still falls within the
> "limits of harmonisation"
>
> My workshop is situated in an old undustrial area, and in
> winter especially, the load is considerable.Despite this the
> voltage varies from 230V by only 2V or so. So about 1%
>
> Iain
>
>
Pigheadedly in some EU areas, I understood the tolerance is inverted....
+6%
to -10%.
Surely, if incandescent lamps blow [and more expensive stuff dies], there
is
summat wrong with the slapdash supply volts!
Jim
>
>
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