> -----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
