Re: Steel structure - appropriate ground?

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: Steel structure - appropriate ground?
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Wed, 30 Apr 1997 23:47:22 -0500
• Approved: tesla-at-stic-dot-net

Subject:       Re: Steel structure - appropriate ground?
       Date:   Wed, 30 Apr 1997 13:48:05 -0600
       From:   Phillip Jarvis <jarvisp-at-bee.d93.k12.id.us>
Organization:  Hillcrest High School
         To:   Tesla List <tesla-at-pupman-dot-com>
 References: 
            1


Tesla List wrote:
> 
> Subject:  Steel structure - appropriate ground?
>   Date:   Sat, 26 Apr 1997 16:25:35 -0400 (EDT)
>   From:   ADatesman-at-aol-dot-com
>     To:   tesla-at-pupman-dot-com
> 
> My Tesla coil is set up in a school building which has the steel girder
> frame
> very typical of institutional buildings.  Instead of sinking copper
> pipes
> into the ground, couldn't I just attach my ground wire to these steel
> girders?  It seems the same idea to me, but possibly there is some
> aspect of
> this idea I don't see.  I don't want to blow up any computers in the
> building, for instance.
>     Thanks for the wisdom.
> 
>             Aaron Datesman


Aaron,

The girders may not be at ground potential - or at the same potential as
the power company ground. There can be a significant voltage difference
between the two. 

Phil Jarvis

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