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Old 01-06-2017, 08:52 PM   #1
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Default Filters for AFCI Tripping Problems

I've seen where a number of Forum members have suggested the use of filters to alleviate problems with AFCI breakers false tripping, but I have not seen any specific filters identified. Can anyone identify a filter or filters that are effective?
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Old 01-07-2017, 06:17 AM   #2
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Old 01-07-2017, 08:15 AM   #3
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Old 01-07-2017, 08:28 AM   #4
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You troubleshoot and fix a problem, you don't look for a sketchy aftermarket product to mask a problem.
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Old 01-07-2017, 08:32 AM   #5
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The only ones I have seen are ferrite filters, however, you need to get one that the manufacturer approves since you can defeat the purpose of the afci with these. BTW, ferrite filters don't like dimmers

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Old 01-07-2017, 10:06 AM   #6
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You troubleshoot and fix a problem, you don't look for a sketchy aftermarket product to mask a problem.
I agree with you there but wasn't there some serious issues with afci breakers when they were first introduced? Some guys still seem gun shy with them.
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Old 01-07-2017, 10:10 AM   #7
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I agree with you there but wasn't there some serious issues with afci breakers when they were first introduced? Some guys still seem gun shy with them.
I seriously think they have ironed out the kinks. I have had one arc fault issue in the past year. It was a bad breaker out of the box, something wonky with the test button, it was always open. New breaker solved the problem.
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Old 01-07-2017, 10:16 AM   #8
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I seriously think they have ironed out the kinks. I have had one arc fault issue in the past year. It was a bad breaker out of the box, something wonky with the test button, it was always open. New breaker solved the problem.
I'm glad I retired prior to those being required where I was working. Seems like major costs and headaches for an unproven science.
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Old 01-07-2017, 10:29 AM   #9
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I'm glad I retired prior to those being required where I was working. Seems like major costs and headaches for an unproven science.
I don't think field mods will prove the science.
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Old 01-07-2017, 10:35 AM   #10
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I'm glad I retired prior to those being required where I was working. Seems like major costs and headaches for an unproven science.
That's been my argument since day one. I've been hearing that "they've ironed out the kinks" claim lately, and even if it's true, it still leaves the "unproven science" portion wide open.

I consider it a massive failure of regulation that this technology was adopted as law while basically still in the experimental stage. Nobody would dream of passing a law tomorrow requiring everyone to immediately use self-driving cars, but that's basically what we did with AFCIs: Make the customers pay for their R&D failures.

I lost a ton of respect for the authority of the NEC after that.
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Old 01-07-2017, 10:37 AM   #11
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I don't think field mods will prove the science.
Nor do I. I was referring to the fact that they were required by code before they were really tested and verified for use based on theory and not application.
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Old 01-07-2017, 10:39 AM   #12
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That's been my argument since day one. I've been hearing that "they've ironed out the kinks" claim lately, and even if it's true, it still leaves the "unproven science" portion wide open.

I consider it a massive failure of regulation that this technology was adopted as law while basically still in the experimental stage. Nobody would dream of passing a law tomorrow requiring everyone to immediately use self-driving cars, but that's basically what we did with AFCIs: Make the customers pay for their R&D failures.

I lost a ton of respect for the authority of the NEC after that.
Me too brother, as many of us have I'm sure.
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Old 01-07-2017, 11:06 AM   #13
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The only ones I have seen are ferrite filters, however, you need to get one that the manufacturer approves since you can defeat the purpose of the afci with these. BTW, ferrite filters don't like dimmers

Do you know who sells 'em Den?

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Old 01-07-2017, 11:12 AM   #14
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Do you know who sells 'em Den?

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They are just ferrite chokes Steve purchased by inner diameter:

https://www.amazon.com/Wanty%C2%AE-d...m+ferrite+core
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Old 01-07-2017, 11:20 AM   #15
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THx....maybe i shouldn't get my hopes up MechD.....~CS~
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Old 01-07-2017, 11:27 AM   #16
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THx....maybe i shouldn't get my hopes up MechD.....~CS~
You're welcome.

Used them on all types of sensitive electronics to stop EMF issues. They have a definite purpose and work.
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Old 01-07-2017, 11:28 AM   #17
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I seriously think they have ironed out the kinks. I have had one arc fault issue in the past year. It was a bad breaker out of the box, something wonky with the test button, it was always open. New breaker solved the problem.
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That's been my argument since day one. I've been hearing that "they've ironed out the kinks" claim lately, and even if it's true, it still leaves the "unproven science" portion wide open.
The problem with them from the first was that they didn't successfully identify arc faults. Major blunder adopting them at that point, and the NFPA should take measures to ensure that this doesn't happen again. Have they?

The next problem was the false positives and defective breakers driving you nuts. I gather that these wrinkles have been ironed out. Better late than never but OK.

The bigger question - is there any consensus that they do accurately identify issues and force you to rectify wiring issues? Asking for opinions. I am not counting ground fault issues that are identified by the ground fault part of a combo afci / gfci device.
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Old 01-07-2017, 03:39 PM   #18
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I don't really care if they serve the desired purpose. I just put them in because I'm told to. Everytime I connect one and it holds, I breathe a sigh of relief.
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Old 01-07-2017, 07:20 PM   #19
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The bigger question - is there any consensus that they do accurately identify issues and force you to rectify wiring issues? Asking for opinions. I am not counting ground fault issues that are identified by the ground fault part of a combo afci / gfci device.

They are a toroidal coil Splatz, so thinking in terms of just what one can/can't do has aided me in my 'too many to list' complaints ,callbacks, rewires, etc....

~CS~
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Old 01-08-2017, 01:05 PM   #20
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They are a toroidal coil Splatz, so thinking in terms of just what one can/can't do has aided me in my 'too many to list' complaints ,callbacks, rewires, etc....

~CS~
True CS. If we must deal with defective devices, mandated by law, who pays for it?

My distributor will gladly exchange the bad one for another bad one.
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