[sdiy] My PSU...

[harry]

Thanks Doug.

I'm not sure in the US (ie UL approval).   We use those euro-style power

entry modules (with two fuses) all the time. I'll try to check the codes
in the
USA.

(how provincial...  I read "North America" and thought of "America"....
damn ugly americans, eh ???)

epeasant at telusplanet.net wrote:

> Quoting harry <harrybissell at prodigy.net>:
>
> > Doug wrote: <snip>
> >
> > > leads require fuses, but in North America this is
> > illegal,
> > > you fuse ONLY the "HOT" wire. In North America the
> > ground
> > > is at the same potential as the neutral wire, but in
> > Europe
> > > ground is midway between each line.
> >
> > Illegal ?   Unnecessary perhaps but I never heard it was
> > illegal.
> > Can anyone cite the references ?
>
> This may be slightly different in the US, but in Canada you
> cannot obtain CSA electrical approval unless there is only
> one line fuse, on the hot wire. Fusing the neutral is
> dangerous, if that fuse blows then all of the ac circuitry
> floats up to the 120 VAC level with respect to ground. I
> have had to remove the neutral fuse from many pieces of
> equipment in order for them to pass approval and be sold in
> Canada.
>
> Take care,
> Doug
> ______________________
> The Electronic Peasant
>
> www.electronicpeasant.com

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