Spark in light switch


Old 05-27-04, 04:52 AM
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Join Date: Jun 2002
Location: Maryland
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Red face Spark in light switch

I've had ceiling fans installed in 2 bedrooms in place of the lights that were there. The (licensed) electricians used the existing hole in the wall from the single light switch, so in order to give me one switch for the lights and one for the fan, they mounted the buttons to be switched on/off horizontally instead of vertically on the plate.

My question: if it's dark and I go to turn the light or fan on, I can see a spark behind the switch button. Is that normal or do I need to call them back to look at it?

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Old 05-27-04, 07:00 AM
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Any switch will spark, some more then others. Replacing the switch with a more expensive model will "hide" the spark from view.
Old 05-27-04, 07:16 AM
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Small spark okay. Big spark bad. What is "small" and what is "big"? Hard to say. It's pretty subjective. I'd say that if the only way you notice the spark is to actively look for it in the dark, then it's probably small.

One of the purposes of the electrical box that the switch is in is to contain small sparks.

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