[RFI] AFCI and RFI

Sun Mar 11 12:56:55 EDT 2018

Mac,

No, you seem to have misread the original post. The offending breakers are
Square D. Eaton Cutler-Hammer has long since redesigned their residential
loadcenter breakers and resolved the RFI problem.

http://www.arrl.org/news/arrl-helps-manufacturer-to-resolve-arc-fault-circui
t-interrupter-rfi-problems

Marsh, KA5M

-----Original Message-----
From: RFI <rfi-bounces at contesting.com> On Behalf Of D C _Mac_ Macdonald
Sent: Sunday, March 11, 2018 11:14 AM
To: Mike Kirkland <radio.ns6q at gmail.com>; D C _Mac_ Macdonald
<k2gkk at hotmail.com>
Cc: Rfi List <Rfi at contesting.com>
Subject: Re: [RFI] AFCI and RFI

You seem to have misread, Mike.  The offending breakers ARE Eaton.

73 de Mac, K2GKK/5
(Since 30 Nov '53)
Oklahoma City, OK
USAF Retired 61-81
FAA Retired 94-10

________________________________
From: RFI <rfi-bounces at contesting.com> on behalf of Mike Kirkland
<radio.ns6q at gmail.com>
Sent: Sunday, March 11, 2018 11:04
Cc: Rfi List
Subject: Re: [RFI] AFCI and RFI

Seems like the easy solution is to change the offending breaker(s) to Eaton.

Please see ns6q.net/exams for all the details about our exams...
73,
Mike
NS6Q

On Sun, Mar 11, 2018 at 8:55 AM, David Eckhardt <davearea51a at gmail.com>
wrote:

> Our home was built 4 years ago.  We have the same problem.  Also, one 
> of the switches in the master suite evidently arcs a bit as that also 
> trips the d$%^& breaker as you describe.  RF also gets to it.  Gott'a 
> just love this digital age ! !
>
> Dave - WØLEV
>
> On Sun, Mar 11, 2018 at 2:06 PM, Kenneth G. Gordon < 
> kgordon2006 at frontier.com
> > wrote:
>
> > Local codes require those new AFCI (Arc Fault Circuit Interrupter) 
> > breakers in any circuit feeding a bedroom here.
> >
> > We have two such circuits feeding our bedroom and an adjacent office 
> > in a recent addition to our home.
> >
> > Whenever I am on 40 meters, either one or both AFCIs will trip off. 
> > This is highly annoying to my wife, and I don't like it much either.
> >
> > I have contacted the maker of the breakers, Square D, and they tell 
> > me, after some rudimentary tests, that there is nothing wrong with 
> > their breakers.
> >
> > So, I am left with trying to filter the RF off the lines to the
breakers.
> >
> > I had thought of connecting an X-2 type 0.01 uFd capacitor across 
> > the
> line
> > and neutral wires going into the breaker, and a pair of Y-2 0.01 uFd
> types
> > from both line and neutral to ground.
> >
> > However, I am somewhat reluctant to try this as I suspect that the
> leakage
> > across those caps will trip the AFCI off.
> >
> > Tonight I thought that perhaps some ferrite filters, either a series 
> > of snap-on types, or some toroid types, on each wire which connects 
> > to the breaker would filter enough of the RF to prevent the breakers 
> > from tripping off.
> >
> > Has anyone here run into this sort of problem and if so, how did you 
> > eliminate that?
> >
> > BTW, I am a qualified electrician, and wired our entire addition and 
> > the sub-panel which contains these breakers. The local Electrical 
> > Inspector gave me an "A" grade for my work.
> >
> > Additional information: I am running close to a kW output to a 
> > vertical antenna which is about 25 feet from the breaker-panel. The 
> > vertical has a good ground-system, 32 radials, and I don't get this 
> > sort of problem from any band but 40 meters. My favorite mode is CW, 
> > although I also operate some digital modes, but at lower power, like 
> > 50 watts. I seldom operate voice. The digital signals never trip the
AFCIs.
> >
> > Ken W7EKB
> >
> >
> > ---
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>
> *Dave - WØLEV*
> *Just Let Darwin Work*
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