I'll send a detail if I can find one. All fences on my industrial jobs were grounded. Most had no details, but merely notes. All corner posts and line posts every so many feet were grounded, and the same BIG bare copper grounding cable also was bonded to the fabric, top and bottom posts, and all three strands of barbed-wire. I understood that when they were located under 115 kV power lines, but never quite understood the purpose, unless a boom truck or crane outriggers were to come in contact with the fence while lifting a piece of equipment, to keep their frames at the same potential.
________________________________
From: Yurtle Turtle via Tesla <tesla@xxxxxxxxxx>
To: John Cooper <wt5y@xxxxxxxxx>; "tesla@xxxxxxxxxx" <tesla@xxxxxxxxxx>
Sent: Tuesday, October 21, 2014 7:07 PM
Subject: Re: [TCML] dogkennel faraday cage?
Pics of an industrial fence?
________________________________
From: John Cooper <wt5y@xxxxxxxxx>
To: yurtle_t@xxxxxxxxx; tesla@xxxxxxxxxx
Sent: Tuesday, October 21, 2014 1:18 PM
Subject: Re: [TCML] dogkennel faraday cage?
Pics?
Sent from my Cricket smartphone
-------- Original message --------
From: Yurtle Turtle via Tesla <tesla@xxxxxxxxxx>
Date: 10/21/2014 05:11 (GMT-06:00)
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Subject: Re: [TCML] dogkennel faraday cage?
At work, we ground all fabric, then using the same cable, bond the posts and top and bottom rails, so they make electrical fittings for this.
________________________________
From: dave pierson <dave_p@xxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Monday, October 20, 2014 6:43 PM
Subject: Re: [TCML] dogkennel faraday cage?
> I have a 10’x10’ chain link fence kennel. If I mod it to say a 5’x5’ size so
> I can use the leftover chain fabric to secure over the top and ground the
> fence to a ground rod, can it be used as a faraday cage? This is identical
> to ordinary hurricane fencing used in most backyards. The openings are
> approximately 2”. My coil should be resonate somewhere around 211khz I
> think, it’s a 4”diameter x 19” length. Flame away Im ready.
The phrase Faraday Cage has come to have multiple meanings.
As an arc/spark catcher, I'd think what's described would work.
Things to be wary/aware of, in my experience:
top and sides are mentioned, needs a BOTTOM.
Grounding is semi nonrelavant, so long as continuity
between the wires is maintained.
Which raises another thought:
Usual 'chain link fence' does not guarantee electrical
continuity. Effective faraday cage requires
continuity.
Some level of continuity is required at 'edge':
wall corners, walls to roof, walls to
floor/bottom.
For effective emi/rfi control the electrical continuity
aspects become more critical, and careful, designed handling
of ALL wires passing thru the wall. (details on request...)
best
dwp
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