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Re: To ground or not to ground?



Original poster: tesla popp <teslas_lab@xxxxxxxxx>

WELL STATED D.C.!!!!
THIS COULD NOT BE MORE TRUE.

This is a quality point, listen to it, follow it, DO
IT!  What more need be said?

Coiler Forever: Jeremiah Popp

--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>
>
>
>
> GROUND IT PROPERLY --- SAVE YOUR HOBBY!!!
>
> The bottom line when using a house ground for a
> Tesla coil is that
> the induced currents in nearby wires can easily
> effect sensitive
> communications equipment.
>
> When a ground wire of solid copper wire travels near
> a hot or neutral
> in a sheath or conduit, a high frequency current is
> easily induced
> into a nearby wire (Maxwell's equations govern this)
> --- in fact,
> much easier than a 60 Hz current could induce the
> same spikes because
> a 60 Hz xmfr requires an iron core for proper
> operation whereas RF
> currents at1200-600 kHz do not. Two parallel wires,
> ie, your ground
> and a hot or neutral, traveling any distance close
> together within
> your home actually form a high frequency xmfr that
> begin to "share"
> these RF currents. A linear Tesla tranformer right
> in your wall you
> never knew existing begins causing serious problems
> for you or worse
> yet --- your unsuspecting neighbors who will begin
> to associate TC
> operational noise with problems in their TVs,
> telephone, computer,
> etc. They get POed enough and report you to the
> local police who
> might just pass it on to the FCC for further
> investigation. Imagined
> or real and your hobby along with your neck go on
> the chopping block.
>
> With small 30 and 60 mA powered coils the peak power
> levels are
> usually small enough to "get away" with this power
> line abuse, but
> with larger cap banks and high peak primary
> discharge currents two
> things occur --- you start blowing your sensitive
> electronics, and
> (2) worst yet --- you start affecting your local
> neighborhood which
> causes everyone to begin to hate you and your Tesla
> "contraptions".
>
> On any coil above a 60 mA NST power source --- and
> this includes any
> coil running on a pig, PT, or MOT --- use a proper
> external bldg
> ground of 4 AWG fine stranded welding cable
> connected directly to a
> dedicated copper ground rod and then connected
> directly to the bottom
> of your sec coil.
>
> Keep the peace in the neighborhood --- don't get
> everyone hating us
> because of our unique hobby. Be a good neighbor
> and help us all
> "save our hobby". If not we will all go the way of
> the drag racers
> who now can only really race on a track --- after
> paying a "fee" of course!!
>
> USE A GOOD DEDICATED GROUND!!!"
>
> Dr. Resonance
>
>
> ----- Original Message ----- From: "Tesla list"
> <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Friday, October 28, 2005 8:42 AM
> Subject: RE: To ground or not to ground?
>
>
> >Original poster: "david baehr" <dfb25@xxxxxxxxxxx>
> >
> >
> >
> >Does anyone have stories of using the 'House
> Ground" for there coil
> >and having bad things happen ??? I was told by
> another coiler that
> >he used nothing but the house ground , and NEVER
> had a problem. Now,
> >by using the house ground, this means running a
> wire directly to the
> >breaker box , not just sticking a wire in the
> ground receptical of a
> >wall outlet , ?? And, could the nutral of a 240v
> outlet also be
> >used, since this is connect to ground anyway ??
> Heck, I dont
> >know!! Help, please............
> >
> >
>