Installed Exterior Light -- Sparked When I Moved it -- Didn't Trip

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Old 08-25-16, 07:59 AM
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Installed Exterior Light -- Sparked When I Moved it -- Didn't Trip

I just got done installing an exterior two-light motion sensor light. The wiring from both the fixture and the wall were just the blacks and whites, no grounds.

Later, when it was dark, I was experimenting with different motion sensor angles. On about the 4th time I moved the sensor there was an audible pop and it sparked. Oddly enough, this didn't trip the breaker and the light works fine.

The house was built in 1923 and the wiring coming from the house looks very old. I'm thinking maybe the insulation on the hot and neutral got worn down over the years and touched when I adjusted the fixture. I'm keeping it off until I figure out the best course of action.

Any ideas?
 
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Old 08-25-16, 08:53 AM
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I'm thinking maybe the insulation on the hot and neutral got worn down over the years and touched when I adjusted the fixture.
I would agree.

Now you'll need to turn off the power, remove the fixture and repair the insulation with electrical tape or heat shrink tubing.
 
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