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Re: RE:Tesla Coil Grounding (was - Pig setup help.)



Original poster: Jim Lux <jimlux-at-earthlink-dot-net> 

At 08:28 AM 3/16/2004 -0700, you wrote:
>Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net>
>
>Hi John,
>
>I wonder what code would say about a pig grounded to mains ground with
>exposed bushings that can kill.


The code probably doesn't say much about it... It's not a permanent 
installation, etc. so you'd be in the usual situation of general 
requirements that high voltage conductors be arranged so that inadvertent 
contact isn't possible, etc.




>I suspect nothing about our hobby meets code unless we enclose the entire
>setup in a faraday cage and put a barbed wire fence around it with a gate
>locked at all times :o)))

Only if it were intended to be operated unattended.


>But that is why we supervise the operation and be responsible and safety
>conscious.
>
>Gerry R
>
> > Original poster: "John H. Couture" <couturejh-at-mgte-dot-com>
> >
> >
> > All -
> >
> > To my knowledge all safety codes regarding the grounding of power
> > transformers say the transformer case should be grounded to the green wire
> > as defined in the codes.
> > The main grounding question for Tesla coils is the connection of the green
> > wire network to the secondary circuit (so-called RF) ground. Apparently
> > coilers do it both ways, some connect and some do not connect. There are
>no
> > codes for this type of connection. From a safety standpoint not connecting
> > the two could be a hazard to humans. If you are taking sparks from a small
> > or medium TC the line voltage could kill you if there is a spark between
>the
> > primary and secondary coils.
> >
> > John Couture
> >