> On Thu, 2010-02-18 at 23:56 -0500, Phil Sussman wrote:
> > Notwithstanding the dangers involved concerning the transfer of
> > voltage from equipment to you, there is also the inverse to
> > consider. That is, the transfer of voltage from you into the
> > equipment.
> >
> > It works both ways! I'm speaking, of course, of ESD (Electro Static
> > Discharge) the silent killer of many modern microelectronic
> > circuits. So, while you take care when in the presence of voltage
> > for your own protection, also take care NOT to discharge yourself
> > into your equipment. The human body, or metal, or carbon, can
> > easily transfer 20 KV or more into delicate circuits with a quick
> > little low current static discharge. Results of that quick spark
> > can be instant or merely shorten equipment life drastically.
> >
> > I heartily suggest brushing up on ESD before you open that
> > equipment cover.
> >
> > Just a thought!
> >
> > 73 de Phil - N8PS
Dr. Gerald N. Johnson wrote:
> At least avoid wearing polyester and acrylic and working on a wool
> carpet in the winter without lots of antistatic spray on the carpet
> nd whole house humidifiction while wearing only cotton clothes.
> Ground your self before touching circuits and each time you move.
What? No recommendation for an ESD wrist strap? IMHO, everybody should
have one. A lot cheaper than "lots of antistatic spray" -- and who wants
to give up their polyester leisure suit? :-)
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|