[Elecraft] Re: K2 & ESD

[Don Wilhelm]

Bill,

I believe folks are worrying too much about a 'true earth ground' when 
considering ESD - it is actually only necessary that everything at the 
workspace (including the worker) is at the same potential - it matters 
not whether that potential is at Mother Earth Ground potential or 
hundreds of volts above it. 

So pick a common point (and the travel trailer wiring ground lug should 
be good), and connect your wrist strap and anti-static mat cords to 
that, and plug your anti-static soldering station into the same outlet.

If there is a fault in the grounding of that electrical post, it can 
pose a hazard for you or your family or pets when you touch the trailer 
and Mother Earth Ground at the same time, but that is a different story 
altogether - it has nothing to do with ESD protection inside an isolated 
structure such as a travel trailer.

73,
Don W3FPR

Bill Fogel wrote:
> I am building my K2 s/n 6301 in my Travel Trailer.  I
> have plugged my esd wrist strap and pad into the
> ground port of a GFCI outlet.  I think this is my only
> true ground, assuming that the Camp Ground post is
> properly grounded.  All of my test quipment say the
> post is wired properly as well as the outlet.  Any one
> know, if I am correct?
>
> Thanks,
>
> Bill KE5KWE
>
>
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