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Old 06-12-2018, 09:05 PM   #1
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Default Finding your own mistakes

I happened to be in a panel I installed about 10-11 years ago. I happened to notice one of the breakers looked a little cooked.

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Old 06-12-2018, 09:16 PM   #2
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I was in a cabinet I had installed a 100hp soft start in a few years ago and noticed one of the line side lugs was loose. No apparent heat damage. I tightened it down and it seems to be fine. The motor isn't loaded very heavily so that is what probably saved it.

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Old 06-12-2018, 10:10 PM   #3
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I made a mistake once. I thought I was wrong, but it tuned out I wasn't.
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Old 06-12-2018, 10:19 PM   #4
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Quote:
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I made a mistake once. I thought I was wrong, but it tuned out I wasn't.
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Old 06-12-2018, 11:39 PM   #5
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Quote:
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I happened to be in a panel I installed about 10-11 years ago. I happened to notice one of the breakers looked a little cooked.

I hate it when I think I land the breaker terminal but it's actually on the plastic side.

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Old 06-13-2018, 06:45 AM   #6
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When I was young my dad & I were putting new license plates on the car. 4 years earlier the vice grips which were used to hold the nut on the backside of the bolt were left sitting on the inside of the bumper. They were still there 4 years later.
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Old 06-13-2018, 09:38 AM   #7
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I think we generally get better with time. More precise and a bit more thorough, that is until I can't see and don't give a crap anymore.


Tim.
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Old 06-15-2018, 07:00 PM   #8
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i'm not trying to be an a**, but see why they want us to install afci's? come in hung over and beat a staple a little too hard. it only takes one
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Old 06-15-2018, 07:04 PM   #9
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i'm not trying to be an a**, but see why they want us to install afci's? come in hung over and beat a staple a little too hard. it only takes one
If I thought they worked, I'd be right there with you.
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Old 06-15-2018, 07:13 PM   #10
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If I thought they worked, Id be right there with you.
i take it you've seen a faulted circuit and it didn't open?

care to share any details?

did you catch the article i think this last one about manufacturers and i think ul testing of breakers in either ec&m or electrical contractor(i never remember which one). they didn't go into specifics but said they would in an article soon, but alluded to there being deficiencies in some brands when shown the real world (i would've told you that without the testing there doing).

to be honest, i'm not around afci's very often, i just hate the thought of NM and thought they might help.
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Old 06-15-2018, 07:19 PM   #11
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i take it you've seen a faulted circuit and it didn't open?
Videos like this


and manufacturer videos that, if you look at the fine print, are made at much higher than normal voltages, make me deeply skeptical.

If I had the confidence in AFCI I had in GFCI I'd be a fan, even if they are a pain in the ass.

And I am with you, I don't like NM either
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Old 06-15-2018, 08:01 PM   #12
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Quote:
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Videos like this



and manufacturer videos that, if you look at the fine print, are made at much higher than normal voltages, make me deeply skeptical.

If I had the confidence in AFCI I had in GFCI I'd be a fan, even if they are a pain in the ass.

And I am with you, I don't like NM either
i actually don't think much of standard miniature breakers from brands other than square d(QO, QOB) and abb. when i think of using an afci i am only thinking of using one of those 2, it doesn't surprise me a bit those other what i call off brand ones don't work.

in the video he alluded to a square d afci video but i can't find it, have you seen it? how did it do, QO or homeline?
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Old 06-15-2018, 09:38 PM   #13
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i actually don't think much of standard miniature breakers from brands other than square d(QO, QOB) and abb. when i think of using an afci i am only thinking of using one of those 2, it doesn't surprise me a bit those other what i call off brand ones don't work.

in the video he alluded to a square d afci video but i can't find it, have you seen it? how did it do, QO or homeline?
LOL Eaton CH is an off brand? Iím a big fan of QO but the local distributor sucks, unless I want to go to gay-bar.
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Old 06-16-2018, 05:30 AM   #14
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At least I'm getting better at finding the problems that trip them. The last two were in the wiring of homeowner (using the ground as a traveler) or neutral tied to the wrong circuit. Another was nuisance tripping caused by a particular cell phone charger. She figured that one out on her own. Glad she called or I would have had a tough time finding that one.
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Old 06-16-2018, 05:52 AM   #15
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in the video he alluded to a square d afci video but i can't find it, have you seen it? how did it do, QO or homeline?
I don't remember the details, I just remember it was some sleazy fine print bait and switch bull****. I have seen pharmaceutical companies do the same thing with "research." Pharmacos are near the bottom for me on trustworthiness.

I also saw that Mike Holt had spoken up about this at one point, then after one of the manufacturers had him visit their facility, he stopped talking about it. He didn't really reverse his position, taking the time to explain why; he just stopped talking about it. I suspect he might have been threatened with legal action by the manufacturer(s).

I have been watching very carefully on this forum and elsewhere for examples where AFCIs actually save the day and reveal a fault and led to the elimination of a hazard. I remain unconvinced of their value.
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Old 06-16-2018, 06:04 AM   #16
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I do a fair amount of kitchen renovations, most of which the walls are down and we remove most of the existing wiring. Rarely, if ever do we have any trouble with our new wiring. It's always the existing stuff, mostly bundled neutrals in multigang switch boxes. I've found pinched wiring in outdoor light fixtures that have tripped them. Starting to use the diagnostic led's more if the particular brand has them. Used the ones on the CH breaker and found it helpful this week. The customer was billed for that one. The outdoor receptacle it fed had romex exposed to the elements and was full of water too. Solved a few issues there. That being said, I'm still not fond of them.
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Old 06-16-2018, 12:22 PM   #17
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Quote:
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LOL Eaton CH is an off brand? Iím a big fan of QO but the local distributor sucks, unless I want to go to gay-bar.
that's how i categorize there miniatures anyway.
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