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Re: [TenTec] Electric safety

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Electric safety
From: Carter <k8vt@ameritech.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 19 Feb 2010 20:08:18 -0500
List-post: <mailto:tentec@contesting.com>

 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? :-)

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