I'd say that's unusually high, but not highly unusual.
Gordie B
> I have been curious about this for a while, but unable to find an
> answer online. My house has standard residential AC electrical service,
> 100a at a nominal 120v. Whenever I put a meter on a circuit, though, I
> always measure about 130v. Similarly, on the double-pole breaker circuit
> I just installed for my welder (nominally 240v) I measure ~264v. I have
> used at least three different (cheap) meters, all with similar results.
>
> Is this highly unusual? For a given resistance, 264v is going to
> provide about 10% more current than the nominal standard on the
> double-pole circuit. Is this risky or problematic? The single-pole
> circuits have been in-place for years, with no apparent problems, but I
> obviously don't want to blow up my Syncrowave.
>
> Thanks.
>
> --
> David Hillman
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