RE: buzz buzz buzz - I wonder why it does?

["Dr John Tankard" <john@xxxxxxx>]

Me to. I use a HP scanner with feeder and paperport, at the price I
don't think there is anything that comes near it.

John

> -----Original Message-----
> From: James Hoye [mailto:james.hoye@xxxxxxx] 
> Sent: 19 April 2002 10:49
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] buzz buzz buzz - I wonder why it does?
> 
> 
> > > A site transformer is an isolation transformer designed 
> for use on a 
> > > building SITE (guess where the name comes from!) Because of
the 
> > > often wet environment the output is centre tapped and tied
to 
> > > ground. This limits the maximum voltage to earth to half of
the 
> > > output voltage. Most shocks are from a single conductor 
> to earth so 
> > > this is an extra safety feature
> >
> > So do they expect everyone working on these sites to have 
> special 115 
> > volt tools for the job? Or does this only apply to designated
high 
> > power devices that are more prone to "Accidents" then a
> normal power 
> > tool?
> 
> Indeed they do.  That's why so many site workers use cordless
> power tools - much easier.
> 
> James H
> 
> 
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