New DEC museum entry :D

[Patrick Finnegan]

On Wednesday 21 February 2007 14:15, Patrick Finnegan wrote:
> On Wednesday 21 February 2007 13:42, Adrian Graham wrote:
> > On 21/2/07 02:40, "Tony Duell" <ard at p850ug1.demon.co.uk> wrote:
> > > I realyl would want to know exactly how it's tripping the mains.
> > > Perhaps run it on a circuit that doesn't have an RCD.
> >
> > I'd love to, but in a rented house and an electronic workshop
> > that's under strict H&S rules I'm not going to be able to find one.
> > Even my weekend home has an RCD.
>
> Assuming that an "RCD" is what we call a GFI/GFCI over here, I'd
> suggest either lifting the ground, or (preferably) connecting the
> ground to the neutral side of the mains (make up a sepcial adapter
> cord to do this), and see if it still trips the breaker.
>
> GFIs and old (or just "big" computers) generally don't mix well.

Err, I should add that you might want to do this to see if it still 
trips the breaker.  I wouldn't recommend running a machine like this 
unless it's known that is has a large ground-leakage current (and of 
course, I'd rather run it with ground tied to neutral than with a 
lifted ground...).

Pat
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