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Old 03-20-2010, 09:13 PM   #1
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Circuit dead without tripping breaker?


My son was using a shop vac to clean up a mess in the basement, when the basement lights went out, and the vac stopped working.

A quick check revealed nothing out of the ordinary on the breaker panel, and cycling the breaker doesn't fix the problem. Any hints or tips?

The other receptacles work just fine - they are on a separate circuit. The circuit in question has only the basement lights and 2 receptacles, both of which are also dead.

Shop vac works fine when plugged into a receptacle on another circuit.

I'm...clueless. Any suggestions as to where I should start looking?

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Old 03-20-2010, 09:36 PM   #2
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Circuit dead without tripping breaker?


Tripped GFCI?

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Old 03-20-2010, 09:56 PM   #3
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Circuit dead without tripping breaker?


DAMN it! lol Let me check. No, but I like the way you think!

Can't believe I didn't check that first. Reset, test, reset with no changes.
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Old 03-20-2010, 10:02 PM   #4
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Circuit dead without tripping breaker?


although it would not be my first suspicion but would be among the first things checked; it may be possible to have a bad breaker. If you can actually check the voltage at the breaker, it would eliminate that possibility.

after that, I would suspect a bad connection. If you have back stabbed receptacles in the house, I would suspect a bad connection in one of the receps terminals. It could also me a bad connection in a wire joint.

so, you track the circuit back to a point it is good. That, or the next box away from the panel is where your problem is.

Then you have the obscure problems, like I recently had, where a nail went through the NM. It only took 15 years for mine to surface as a problem.
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