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Old 01-26-2009, 06:41 PM   #1
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hot doorbell button


I just ran my doorbells. the one that showed 95 degrees on my sperry infrared thermometer is a flush mount with a halo light around it. It was a 13 dollar one from lowes. It is run from a 16v 10va transformer with 24 gauge wire. I checked the transformer and it is not hot, so im guessing it is the light itself.

Anything i should be concerned about?

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Old 01-26-2009, 07:23 PM   #2
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I just ran my doorbells. the one that showed 95 degrees on my sperry infrared thermometer is a flush mount with a halo light around it. It was a 13 dollar one from lowes. It is run from a 16v 10va transformer with 24 gauge wire. I checked the transformer and it is not hot, so im guessing it is the light itself.

Anything i should be concerned about?
Is it the door button or the bell thats hot?

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Old 01-26-2009, 07:52 PM   #3
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its the door button
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Old 01-26-2009, 07:54 PM   #4
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It's probably fine. Do you know if the pilot light is incandescent?
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Old 01-26-2009, 08:01 PM   #5
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the package doesnt say.
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Old 01-26-2009, 11:24 PM   #6
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As long as its the button thats showing heat and not the bell thats hot, its not a problem!
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Old 01-27-2009, 07:36 AM   #7
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good deal, thanks
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Old 01-27-2009, 08:52 AM   #8
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that's their special anti-solicitor doorbell, but i think yours is faulty, ours is 250 degrees. -=chuckle=-

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Old 01-27-2009, 12:29 PM   #9
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Originally Posted by rustic View Post
I just ran my doorbells. the one that showed 95 degrees on my sperry infrared thermometer is a flush mount with a halo light around it. It was a 13 dollar one from lowes. It is run from a 16v 10va transformer with 24 gauge wire. I checked the transformer and it is not hot, so im guessing it is the light itself.

Anything i should be concerned about?
At 95℉ it should feel neither cold nor warm to your skin.
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Old 01-27-2009, 12:43 PM   #10
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At 95℉ it should feel neither cold nor warm to your skin.
95 feels a little warm. Your skin isn't at 98.6.
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Old 01-27-2009, 01:16 PM   #11
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95 feels a little warm. Your skin isn't at 98.6.
". . .can take 33 to 35 degrees as the skin temperature range, based on calorimetric data dating from the World War II era."

I stand corrected. Stand by while I recalibrate my digital probe [clicking sound].

What was your ambient temp. when you measured the button temp.? Did you correct your meter for the low emissivity of the button?
With 10VA and all the power lighting the bulb and an ambient of 35℉ this gives a thermal resistance of 6℉ per watt.

At 16v, it can't be neon. If the light reacts instantly it might be an LED.

I really need to get a day job.

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