> -----Original Message-----
> From: Maciej W. Rozycki [mailto:ma...@linux-mips.org]
> Sent: 30 August 2017 19:30
> To: r...@jarratt.me.uk
> Cc: 'General Discussion: On-Topic and Off-Topic Posts'
> <cctalk@classiccmp.org>; 'Tapley, Mark' <mtap...@swri.edu>
> Subject: RE: PSU Input Rectifier Question
> 
> On Wed, 30 Aug 2017, Rob Jarratt wrote:
> 
> > >  The purpose of the sleeve is mainly electrical insulation -- so
> > > that you
> > don't
> > > have a battery of large live components mounted next to each other
> > > posing
> > a
> > > risk of a short circuit if their surfaces accidentally touch.
> > > In the past some electrolytic caps were manufactured without a
> > > sleeve (especially axials), however I haven't come across such one for
> years.
> >
> >
> > There is a big red sticker saying that the heatsink is live, so I
> > guess this one is not insulated and may be straight to the
> > electrolyte. I will drill and drain I think.
> 
>  Well, that's a warning for the service engineer about the large heatsink
in the
> middle of the PSU, not the capacitors which are standard parts and have
> nothing to do with any heatsink.  Obviously (if anywhere) they had to
stick the
> label somewhere where it would be clearly visible, would not obstruct heat
> dissipation and would not risk the label itself crumbling with time under
heat
> (so not on the heatsink itself).
> 

Of course! Not thinking straight again.


>  Obviously you'll do whatever you wish, it's your PSU after all. :)
> 
>   Maciej

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