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Finding where the electrical line is broken

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Finding where the electrical line is broken Donna 10-15-2007
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Posted by jJim McLaughlin on October 15, 2007, 7:03 pm
Marilyn & Bob wrote:

> It's not necessarily the first dead outlet on the circuit that is the
> problem. The break (disconnected wire) could easily be in the last live
> outlet in the chain (power comes in to the outlet, but wire leading out to
> the first dead one is disconnected. Turn off the breaker that serves the
> non working outlets.


Chuckle.

Finding the breaker that serves the non working (dead) outlets could be fun.


Then check in the boxes of the other outlets that go
> off with that breaker off. Good chance you'll find a disconnected wire
> there.

Electric Radiant Heat 468x60
Posted by Don Young on October 15, 2007, 10:02 pm

> Marilyn & Bob wrote:
>
>> It's not necessarily the first dead outlet on the circuit that is the
>> problem. The break (disconnected wire) could easily be in the last live
>> outlet in the chain (power comes in to the outlet, but wire leading out
>> to the first dead one is disconnected. Turn off the breaker that serves
>> the non working outlets.
>
>
> Chuckle.
>
> Finding the breaker that serves the non working (dead) outlets could be
> fun.

Unless the breaker box was correctly marked as it should have been.

Don Young
>
>
> Then check in the boxes of the other outlets that go
>> off with that breaker off. Good chance you'll find a disconnected wire
>> there.



Posted by on October 16, 2007, 4:53 am
On Mon, 15 Oct 2007 16:03:02 -0700, jJim McLaughlin

>Marilyn & Bob wrote:
>
>> It's not necessarily the first dead outlet on the circuit that is the
>> problem. The break (disconnected wire) could easily be in the last live
>> outlet in the chain (power comes in to the outlet, but wire leading out to
>> the first dead one is disconnected. Turn off the breaker that serves the
>> non working outlets.
>
>
>Chuckle.
>
>Finding the breaker that serves the non working (dead) outlets could be fun.
>

I thought that exact same thing !!!!!!

>
>Then check in the boxes of the other outlets that go
>> off with that breaker off. Good chance you'll find a disconnected wire
>> there.


Posted by on October 16, 2007, 4:51 am
On Mon, 15 Oct 2007 17:59:30 GMT, "Donna"

>
>
>Thanks, guys.
>
>> Romex is very tough stuff, so unless there was work done with a saws-all
>> or
>> such after the finishing work, it will be a connection issue. First step
>> would be to check the outlets that have failed. If you know the most
>> upstream (first on the circuit from breaker box), check to ensure it isn't
>> a
>> bad outlet.
>
>There are three outlets (counting the porch light as an "outlet" for the
>purposes of this post) that have failed. No other outlets in the house are
>dead (and yes, to the gentleman who asked, they did work, directly before
>the renovation).
>
>
>From your (your plural that is.) kind responses, it seems that the three
>dead outlets are at the end of a circuit, since everything else works. The
>interruption must begin at the first dead plug (which is in the office). I
>have, actually, pulled the wiring out and looked at it. Everything that I
>saw looks to be correctly connected. But as you all have cleverly
>ascertained, I'm not an electrician. :)
>
>> Get a circuit tester and see if the hot wire has juice. If so,
>> then the outlet could be faulty and not only is it non-functional, it is
>> blocking current from travelling to the next outlet on the circuit. If
>> not,
>> then you need to work upstream from there. One of the junction boxes will
>> have a bad connection, you just need to pray it's accessible.
>
>I'll get a circuit tester. The plug next up the line is also in the
>office, and works fine, so I suspect you've figured out the problem.
>Something seems to be wrong with the first dead plug, and either there is a
>loose connection, or there is an interruption of some kind, and either way,
>it's a pretty simple thing for an electrician to fix. Is that correct?
>
>>
>> This assumes there are other plugs/lights on the circuit that DO work, and
>> that it isn't a bad circuit breaker in the box.
>
>That is a correct assumption. The circuit breaker is fine, and every other
>plug in the house works, including the one that connects to the first dead
>plug box.
>
>> I just figured you checked
>> for that already.
>
>Never assume. :) But yes, I did check that. Beyond that point, though,
>I needed some guidance. Thanks.
>
>Donna
>

Donna

You did open the first dead outlet and said it looks fine. Thats a
good start. However, the problem is likely in the outlet BEFORE the
first dead one, unless of course these 3 "outlets" are the only thing
on that circuit. If the first one is on your office, it would likely
be the outlet closest to this dead one, either to the left or right.
I'd open each one of them in that room and check for broken wires,
loose screws, etc. Also carefully look at the sides of the outlet (by
screws) and be sure nothing looks burnt. There is a small piece of
metal between the screws on each outlet (part of the outlet). Be sure
they are not burnt in half. Also, what is on the outside of that
office wall? Could there be another outlet there?

That first dead outlet should have had 2 white and 2 black wires in
the box. One pair comes IN to the box, the other goes OUT to the next
outlet. Sometimes (not always), you can see the direction of the
wires in the wall. That often helps. There are devices that beep to
determine the direction of the wires too, but they are costly.

Keep opening boxes and checking things. Just be safe about it.

I have done wiring for years, and I always find the problem, but even
after years of doing it, it sometimes can take some time to find the
culprit. Be patient, and just open each box and check. Tighten all
wire screws while you are at it.

one other thing, "IF" you have any idea which breaker controlled those
outlets, that would really help, because you could turn that one off
and determine what still works on that circuit. If there are any
labels in your breaker box, that may help.

Posted by TimR on October 16, 2007, 5:32 am
On Oct 16, 10:51 am, alvinamo...@notmail.com wrote:
> I have done wiring for years, and I always find the problem, but even
> after years of doing it, it sometimes can take some time to find the
> culprit. Be patient, and just open each box and check. Tighten all
> wire screws while you are at it.

It's easy enough to open any box with an outlet. Trouble is there may
be an unknown number of boxes that only contain junctions and don't
show.

Wire nuts, ugh. Might as well swap them all out for chocolate blocks
while you're at it.


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