DIY Home Improvement, Remodeling & Repair Forum > DIY Home Improvement > Electrical and Wiring > Open neutral or something else?




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Old 05-16-2014, 07:55 AM  
nealtw
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So you have a loose connection that is connected until it warms up. Have you got pigtails in the boxes or are all the wires just stabbed into the back of the outlets?



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Old 05-16-2014, 07:58 AM  
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While you were in there did you torque the other whites? If one is loose others could be.



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Old 05-16-2014, 08:53 AM  
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^ Yes sir, " I did just that and tighten ALL my neutrals. To my surpise a few needed tightning."

^ " I replaced all the wall plates when I first bought the home and I do have the screw down connections and NOT the push-lock style." So, all my outlets and switches are the hook/pig tail, screw down type.

The problem was at my breaker panel itself in the garage. On each side of the inside of my panel there are neutral/grounding block terminal strips for all my homes circuits. (insert wire in the terminal block then screw down fastner) The neutral wire from that particular circuit was loose in that block causing the failure in that circuit.

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Old 05-16-2014, 04:05 PM  
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Sounds good. Oldog will send you a case of beer.

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Old 05-16-2014, 04:54 PM  
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Quote:
Originally Posted by Joeb1983 View Post
burnt up about 3" back from the tip. I was able to simply/easily pull it out of the block.
High contact resistance connection due to low contact pressure. Five watts may not be enough to heat up the neutral busbar at your connection but you could have had 10x this much power, up to maybe 300w.
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Old 05-16-2014, 06:46 PM  
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I heard the 60hz is a "slow pulse" and actually induces and slight vibration that over time will do exactly what happened... The house was built in 03. I know hospitals have a time complience/preventitive maintenance schedule to tighten them down ever so often. I did just that and tighten ALL my neutrals. To my surprise a few needed tightening!


This is an excellent practice ... Don't have to kill it by over-tightening, but firm retightening is a great preventative. Nicely done!
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Old 05-26-2014, 10:38 AM  
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You are very luck to have found the problem in the loadcenter . Many time , you have to spend a lot of time and effort searching for the defect . :-(

Since you do not usually know the rout the Romex takes from the loadcenter , to device , to device , to device .....

As I think someone stated , it is often in the last non-dead receptacle . Another problem , a home owner often forgets where all the receptacles are . And it ends up being behind the heaviest piece of furniture in the house . :-(

More often than not , it is in a receptacle , than in a switch box or lighting box . Since receptacles often carry heavier current loads .

Good job !

God bless
Wyr

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Old 05-26-2014, 12:33 PM  
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Since receptacles often carry heavier current loads .
?
The current in a series circuit, i.e.,
-receptacle-switch-breaker-
is the same.

Still, these may fail at a higher rate for other reasons, probably mechanical wear.

BTW, IMHO, I think God damns more than He or She blesses.
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Old 05-26-2014, 12:55 PM  
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BTW, IMHO, I think God damns more than He or She blesses.
That's why we have to ask for the better choice
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Old 05-26-2014, 02:06 PM  
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That's why we have to ask for the better choice
What should we ask for for this bunch
http://en.wikipedia.org/wiki/Malignant_narcissism
which includes more than a few politicians?


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