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RE: [TowerTalk] GFI Circuits

To: (W2RU - Bud Hippisley),
Subject: RE: [TowerTalk] GFI Circuits
Date: Fri, 21 Jan 2005 18:12:32 -0500
List-post: <>
   I think there is more here than meets the eye.A gfi breaker is not rf 
sensitive,its meerly a current transformer that monitors the current relation 
between the 120volt lead and the return on the nuetral leg.Only an inbalance in 
this flow would cause such a failure.

W2RU - Bud Hippisley <> wrote:

>At 08:30 2005-01-21, K8RI on Tower Talk wrote:
>>Another option is to use GFI breakers...which are expensive.
>A problem with using GFI breakers instead of GFI outlets is that the entire 
>branch circuit becomes an antenna. ?My house came with a GFI breaker on a 
>branch circuit that fed an outdoor outlet on the porch plus an outlet and a 
>light fixture in the master bathroom; whenever I used the linear amplifier on 
>80 meters, the breaker tripped. ?For some reason, my XYL found that 
>unacceptable. ?I wound up making the bathroom a completely separate branch 
>(which it should have been in the first place) fed from an ordinary non-GFI 
>breaker and terminated in a GFI outlet in the bathroom. ?
>I haven't gotten around to buying a suitable GFI outlet for the porch yet, so 
>I still knock that circuit off whenever I'm on 80 with the amplifier. ?But I'm 
>the only one who ever plugs anything into the porch outlet, so it's no big 
>Yes, you can feed multiple outlets in a room from a single GFI -- the licensed 
>electricians here (New York State) do it all the time. ?Just don't let the 
>length of the branch circuit "beyond" the GFI (i.e., between the GFI outlet 
>and the farthest protected outlet on the branch) get too long or you'll have 
>yourself an antenna, just as if you had a GFI breaker at the beginning of your 
>branch circuit.
>Bud, W2RU ?
>See: ?for "Self Supporting Towers", "Wireless 
>Weather Stations", and lot's more. ?Call Toll Free, 1-800-333-9041 with any 
>questions and ask for Sherman, W2FLA.
>TowerTalk mailing list

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See:  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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