Subject:  High EMF in home (Mouscher)(Tegenfeldt)..
Date:     Mon, 6 Dec 1999 043833 -0600 (CST)
From:     "Roy L. Beavers" 
To:       emfguru 
--------------------------------------------------


......Pleased to hear from Clas again!!......  His input on these
technical matters is always sound.....

Roy Beavers (EMFguru)
roy@emfguru.com

.....It is better to light a single candle than to curse the darkness.....
                       NEW!!!  Website 
...................People are more important than profits.................

---------- Forwarded message ----------
Date: Mon, 06 Dec 1999 10:29:51 +0100
From: Clas Tegenfeldt 
To: rbeavers@llion.org
Subject: Re: High EMF in home (Mouscher)..

Roy, I sent this answer directly to Dean. You may post it if you want to. /Clas

>Date: Mon, 06 Dec 1999 10:28:34 +0100
>To: 
>From: Clas Tegenfeldt 
>Subject: Re: High EMF in home (Mouscher)..
>
>At 18:42 1999-12-05 -0600, you wrote:
>>.......Dean, I think every "expert" on this list will say:
>>That reading is too high.....
>...
>>---------- Forwarded message ----------
>>Date: Sun, 5 Dec 1999 18:12:39 -0600
>>From: Dean Mouscher 
>>Subject: High EMF in home
>>
>>Testing with a "Trifield meter," I have found quite high ambient EMF fields
>>in my home -- as high as 35-50 milligauss in one room - highest at the floor
>>and progressively less as you go higher.  It seems to be centered around the
>>cold water main right under the floor.
>...
>
>Hi!
>
>Measure the current in the water pipe(s) with a current clamp on meter 
>(electricians have those or borrow/lent/buy one (for a few hundred dollars)).
>Most probably, almost a certainty, you have a few amperes flowing on that
>pipe. Cut it where it enters your house, insert a piece of plastic tubing
>or something like it (making sure you get a galvanic separation). And
>your fields will drop like a stone. Make sure that every metallic pipe
>entering your house is isolated in the same way. This is not an 
>electricians work, contact your plumber!
>
>Also check the sum current on the electric cable entering your house, 
>you probably will find the same current on that as on the pipe(s). 
>
>When making the measurements, be sure to switch on a vaccuum cleaner or
>some other large one-phase load. This increases the current on the 
>pipes (and the resulting magnetic field) which makes it easier to 
>measure.
>
>When  all the pipes are insulated the sum current on the cable will be zero, 
>no matter what load you have on.
>
>This way Kirchoffs current law will work in your favor! The current now
>flowing on some pipe(s) will be forced onto the cable, thus ensuring
>it has a zero sum current (also measured with the current clamp), and
>therefore no net (sum) magnetic field.
>
>Good luck!
>

Clas Tegenfeldt		 ,,,
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