[RFI] Inquiry - AFCI RFI?

Michael Tope W4EF at dellroy.com
Fri Mar 17 02:12:28 EDT 2023


I thought I read recently that Eaton AFCIs were sensitive to RFI, but 
that they made an RF immune AFCI that you could order from the factory. 
I am interested in this topic because I am having my ancient Zinsco 
"widow maker" panel replaced. My electrician is proposing to use 
Square-D. I am having a couple of new circuits added that will require 
ACFIs. Which is the best choice for RF immunity - Square-D, Eaton, 
Siemens, other?

Thanks,

Mike W4EF....................

On 3/16/2023 2:02 PM, David Eckhardt wrote:
> I have several AFCIs.  RF will trip them.  Just a pain.  If there were no
> switch bounce on the AC switches, even for lights, they'd probably be just
> OK.  But with no debouncing on cheap AC wall switches and no protection
> against strong RF fields, they are a PITA.
>
> Dave - WØLEV
>
> On Thu, Mar 16, 2023 at 5:23 PM Gene Smar via RFI <rfi at contesting.com>
> wrote:
>
>> Gents:
>>       I'm having my electric service panel in our home replaced and wanted
>> to ask if any of you have had experience, either good or bad, with
>> code-required arc-fault circuit interrupters and related RFI?  I believe I
>> read somewhere that either these or GFCI's were problematic in generating
>> RFI, especially on the lowbands.  I'd like to make sure I don't make things
>> worse for myself by allowing the electrician to install the wrong AFCI
>> design or brand.  I've also read that AFCI's often trip unnecessarily.  Any
>> comments on that aspect as well?
>>
>>       Many thanks.
>> 73 deGene Smar  AD3F
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>



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