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Re: [Amps] Amp causing RFI

Subject: Re: [Amps] Amp causing RFI
From: Mark Schoonover <>
Date: Tue, 4 Feb 2020 18:00:21 -0800
List-post: <>
73! Mark KA6WKE


On Tue, Feb 4, 2020, 17:36 Jim Brown <> wrote:

> On 2/3/2020 8:03 PM, Mark Schoonover wrote:
> > hat having a decent ground does is eliminate the possibility  of ground
> > loops provided the ground is lifted from the third pin of the AC plug.
> This should NEVER be done. It is unsafe, and violates Electrical Codes
> everywhere in North American

Point exactly where this is in the NEC.

> > did a comprehensive RFI video on the subject and show how ground loops
> > can happen and what to do to eliminate them. Quite possibly the #1 cause
> > of RFI. You can watch the video in the link below.
> There is no such thing as a ground loop, and there is no such thing as
> "RF ground." I suggest that you delete that video -- based on this post,
> you don't know what you're talking about, so you're recommending very
> bad practice.


> 73, Jim K9YC
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