[changed the subject line from 'Linear power supply blowing it's diodes']

Gerhard Fiedler wrote:
> 
> And believe me, the USA /is/ going metric. The sooner it gets there, the
> easier it will be. It's just a matter of time, and the longer that twilight
> zone lasts, the worse.

You know, since the last discussion here about metric in the USA, I 
resolved to be more diligent about using metric whenever possible.

Then I tried to order some hardware online.  I believe I already had 
some metric standoffs that were exactly as long as I wanted them to be 
for a project; all the ones I could find measured in inches were a 
little too short or a little too long.  Now I just wanted some nuts and 
bolts to fit them.

Well... it was a long search... I'm sure it could have been longer, and 
they're out there somewhere, but I just couldn't find any metric nuts 
and bolts!

This probably has more to do with me trying to buy hardware from 
electronics places, to combine with other orders and save on shipping, 
than anything else.  But I eventually redesigned the project so it would 
fit with English standoffs and bought a pile of 4-40 screw hardware.

I thought it was an interesting data point.
-- 
Timothy J. Weber
http://timothyweber.org
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