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Old 09-01-2010, 03:02 PM   #1
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Almost started a fire


*I already fixed a licensed electrician to fix my mistake so please don't flame me*

I'm just asking what I did wrong to learn, anyway.....

So I installed a breaker, ran the wire via conduit to my kitchen where I hooked it up to 3 switches (1 for a disposal, 1 for some under cabinet lights, and 1 for a single bulb in my laundry closet) and my new dishwasher. It worked great for about 2 weeks until it stopped working. I didn't have time to mess with it for a while so I flipped off the breaker and left it.

Fast forward to today when I tried to trouble shoot the problem. Pretty quickly I noticed a wire nut which had burned through. The attached picture is two pictures of the wire nut (front and back).

I didn't run a ground, but other than that I cannot figure out why this happened and wanted to know if people could weigh in on why this possibly could have happened and how I can check the safety of the wiring going forward. Also, why wouldn't the breaker have tripped?

Thank you in advance for any help you can offer.
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Last edited by kysmith; 09-01-2010 at 03:43 PM.
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Old 09-01-2010, 03:45 PM   #2
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Almost started a fire


What size breaker ?
What size wire ?
What did the electrician say was the problem ?

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Old 09-01-2010, 04:10 PM   #3
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Almost started a fire


I'm guessing a lose connection. It probably was sparking a lot and burning a bit at a time until it just burned out whatever small portion of wire was touching.

The nice thing about this is the wire acted like a fuse, and burned before the spark did any more damage. Most of the "fire" was contained within the metal junction box.

An AFCI would most likely have tripped but not a regular breaker.

Also is there a reason you did not run a ground?
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Old 09-01-2010, 08:18 PM   #4
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Almost started a fire


I am leaning toward to bad connection that one of few common curpit.

How many conductors and size you ran in the yellow wirenut??

Really the dishwasher should be on it own circuit or with Garbage dispoal { the dishwasher can draw much as 8 amp pretty easy few case I know it will hit much as 12 amps ! }

And I noticed you say dishwasher and garbage dispoal and few other items on that circuit that is a code volitation.

Merci.
Marc
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