Christopher Sawtell wrote:

> Even though the power supply may be disconnected
> from the mains this capacitor will probably have sufficient charge to give
> an errant finger the most stimulating surprise of its little life. Take
> care!

Yes you're exactly right.

I had rather a nasty shock last year when I ended up closing the circuit 
across nearly 20,000uF still charged to somewhere around 400VDC.  One end 
on each hand (how this happened is a long & technical story and was 
entirely my own stupid fault).  No harm done, but its the kind of thing 
that makes you sit up & think.

Keep the lid on the PSU and there's nothing to worry about.  Just don't 
stick screwdrivers into the holes (or the screws, for that matter).

Cheers,

- Dave

http://www.digistar.com/~dmann/


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