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Re: [TCML] Grounding



Thanks, Jim.

Tim Flood


On Wed, Apr 8, 2015 at 11:47 PM, Jim Lux <jimlux@xxxxxxxxxxxxx> wrote:

> On 4/8/15 7:31 AM, Tim Flood wrote:
>
>> I would like to install a small TC, 3" dia. sec., in my office. The floor
>> is a carpeted slab and we have ground water issues which probably would
>> prevent drilling a hole through the slab for a ground rod.
>>
>> Possibly, simply drilling a hole into the slab and istalling a metal
>> anchor
>> for a ground connection would work. (?)
>>
>> Any suggestions for a ground system that is not too obvious?
>>
>>  for that sized coil you don't need an "earth" ground.. You need a
> counterpoise under the coil. Make the radius approximately equal to the
> height of the topload above the counterpoise.
>
> Counterpoise can be chickenwire, hardware cloth, finely crafted silver
> sheets beaten into an elaborate pattern, whatever you fancy.
>
> I've stuck chickenwire to a piece of carpet that I can roll out under the
> coil.
>
> The cold end of the secondary goes to the counterpoise with a shortish
> wire.  Then also connect the counterpoise to the "green wire ground" for
> safety's sake. (so nobody gets a shock if they touch it)
>
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