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Grounding
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Posted by MI-Roger [Email] (#882) [Profile/Gallery] (more from MI-Roger) on Fri, 18 Feb 2011 10:58:07 Share Post by Email
In Reply to: Re: Invisible dog fences and radio waves, ChuckD [Profile/Gallery] , Fri, 18 Feb 2011 09:51:16
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My thought was that burying the pipe in the soil will provide sufficient grounding to bleed the signal. If your soil gets very dry in the summer this may not work. As an alternate you can drive a ground rod deep into the soil (these are usually sold in 8 ft lengths) then connect the ground rod to the pipe with grounding clamps and heavy wire. Swimming pool installations requre minimum solid 8 gage bare copper wire for bonding purposes. I imagine the same material would be sufficient to connnect the buried pipe to the ground rod.

At my former place of employment we used induction hardeners to harden teeth on transmision gears. An induction hardener is effectivey a radio frequency generator. So as to not interfere with the radio systems at the airport immediately next door the machinery cabinets and concrete slabs for this equipment were shielded using copper screen. The copper screens were connected to ground rods to bleed off the frequencies to earth ground.

As a side note, all the electrical conductors inside these machines were copper pipes filled with flowing water for cooling purposes. Who says electricity and water don't mix?

posted by 198.208.15... 

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