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Old 10-03-2008, 01:12 PM   #1
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What could cause lights to constantly blow?


I've got some potentially serious electrical problems going on in another thread but I think/hope this is a different issue. We've been going through a lot of light bulbs in our new (to us) house. There's one spot in the kitchen where we've given up because a bulb won't last more than 48 hours and another spot in the living room is almost as bad. Both spots are recessed lights. I've replaced with the wattage bulb recommended in the light housing. They are both also on dimmers. The previous owners really loved dimmers.

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Old 10-03-2008, 01:45 PM   #2
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What could cause lights to constantly blow?


Are you using Compact Fluorescent bulbs? If so, you can't use them on dimmers. If not, then someone else with more electrical knowledge than me can probably answer your question.

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Old 10-03-2008, 01:50 PM   #3
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What could cause lights to constantly blow?


You know, that's a good question. The bulbs are two different sized floods and my wife bought the jumbo pack of each at home depot. I never even thought to check the bulbs because I'm used to seeing CF's without a glass covering. I'll bet I'm about to look pretty stupid.
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Old 10-03-2008, 02:27 PM   #4
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What could cause lights to constantly blow?


If its not the bulbs, check the voltage. Higher than normal voltage will prematurely burn out bulbs. But our friend above has very good chance of being right.
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Old 10-03-2008, 03:23 PM   #5
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What could cause lights to constantly blow?


How old is the house wiring. That could be the culprit too. We have a 1926 build house and some of the lights die sooner then they should be. but where the house was rewired the light s last like they should. From my understanding it had to do with the way things were grounded. Old 2 prong outlets Etc.. If they are dimmers for the kitchen, I know the depots around me have the fluorescent dimmable bulbs. If I remember right they were 3 way-dimmable. I also agree with the voltage check too. You and I just might have the same problem and in my case calls for a rewire of the rest of the house. Hope this helps .

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Old 10-03-2008, 04:06 PM   #6
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What could cause lights to constantly blow?


John, my other thread is about lack of grounds. My house was built in the late 40's and has gone through a couple remodels. The lighting in question is not original and I think was installed in 2006 when the kitchen was remodeled.
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Old 10-03-2008, 09:53 PM   #7
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What could cause lights to constantly blow?


Real cheap fixtures can have real cheaply made sockets. Cheap sockets can have marginal rivets or soft metal on the screw-shells. This can lead to loose connections in the socket itself, and that will cause over heating under load conditions.

This will literally "bake" the light bulbs, and cause them to fail prematurely.

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