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Re: [TCML] Faraday Cage Safety
Hi Everyone
On July 8 I wrote a article on on EMI and EMF and faraday cage. I think
It may be worth you reading it. It was a three day study I did on it. I think it may
Answer some of the question too. I am no expert at this and don't claim to be but
This study was in depth.
Alton
W5als
http://www.flickr.com/photos/91001059@N08/
Sent from my iPad
On Aug 4, 2013, at 9:17 PM, ACM de Queiroz <acmdequeiroz@xxxxxxxxx> wrote:
> Em 04/08/2013, às 17:53, Jim Lux <jimlux@xxxxxxxxxxxxx> escreveu:
>
>> The hole guideline is for rf propagation via e field, not generally what you would be doing.
>> the h-field (magnetic) isn't stopped by a mesh
>>
>> The cage around a coil is more about stopping sparks.
>
> The cage attenuates time varying magnetic fields too, because they induce currents on it that generate opposite magnetic fields.
> Care must be taken on wires entering the cage. They shall pass through filters, otherwise they works as antennas, and the cage then really serves just to stop sparks. It is actually very difficult to make an effective Faraday cage for this application. It would be simpler, and probably equally effective, to just use something to impede people from getting too close.
>
> Antonio Carlos M. de Queiroz
>
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