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Old 03-17-2010, 10:58 PM   #1
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help! wiring is charred


Hey everybody. I have recessed lighting downstairs in my den. We have 6 lights. 4 on one dimmer switch and 2 on another. One of the lights was hanging down a bit so I went to remount it. I took it down to fix the tabs and I noticed the insulation in the ceiling had black burnt spots. Also, the wiring feeding the light and the wiring coming out of the light going to the other light both had black charred spots on them. They are 6" cooper recessed lights rated for use in insulated ceilings. I am running r30 65w bulbs. These lights stay on atleast 10 hours straight everyday. The lights say the are rated for 75w max.

Any advice on what to check?

Thanks,
Andy
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Old 03-18-2010, 06:16 AM   #2
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Recessed fixtures have different ratings depending on the trim ring installed. Verify that you can use that wattage with that trim ring. It sounds to me like things are cooked. I would replace the fixture.

How old are the fixtures?? They should have over heat protection built in.
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Old 03-18-2010, 07:39 AM   #3
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Yikes--Replace the wires feeding the light--Now--
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Old 03-18-2010, 07:43 AM   #4
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Thanks for the reply! The house was built in 2001. The lights do have a thermistor on the side of the housing. The trim rings might be the problem. They are the ones with the glass shade so it covers the light. I am going to go today to buy some open trim rings. The wiring is #12. I pulled down 3 of the 6 lights and 2 of the 3 had charred the ceiling insulation and the side of the wiring where it touched the can.
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Old 03-18-2010, 08:04 AM   #5
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Lucky that you happened to check!!!!!Have fun--Mike---
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Old 03-18-2010, 08:14 AM   #6
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Glass shade usually indicate a shower trim, and most of those I see limit to a 40 watt lamp.
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Old 03-18-2010, 08:05 PM   #7
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Those cans should have turned off when they got hot-------------------------------------
---I bet you that someone tampered with the thermal overload------

You may be wise to replace those cans---Mike--
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