On 4-6-2009 11:41, Invisible wrote:
> OK, so what *is* the correct mains voltage in the UK?
>
> I was always taught at school that the mains was exactly 250V. But I
> can't find any documents anywhere which claim that this is the case.
>
> According to Wipikedia (which is never wrong), the original
> specification was
>
> 240V +/- 6%
>
> This was then revised to
>
> 230V +10% / -6%
>
> and then revised again to
>
> 230V +/- 10%
IIRC it used to be 240 (or perhaps 250) for some islands and 220 for the
mainland of Europe. The 230 is the result a committee trying to
standardize the EU.
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