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Old 04-19-2009, 11:45 PM   #1
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Question about light bulb burnout arc


Hello,

I've heard that the burnout arc of a light bulb can damage wall switchers and dimmers. But is it able to damage electronic appliances nearby, like computers and televisions?

Yesterday a light bulb has burnout here in my house (out of longevity) and since I have a lot of electronic appliances in the house, I feel a bit worried about the integrity of them when this happen.

thanks in advance!

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Old 04-19-2009, 11:50 PM   #2
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Question about light bulb burnout arc


Thats a new one! Nothing to worry about.

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Old 04-20-2009, 09:53 AM   #3
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Question about light bulb burnout arc


No problem. Never heard of such nonsense.
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Old 04-20-2009, 10:44 AM   #4
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Question about light bulb burnout arc


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Originally Posted by mothra View Post
I've heard that the burnout arc of a light bulb can damage wall switchers and dimmers. But is it able to damage electronic appliances nearby, like computers and televisions?
There is a fuse wire inside the bulb to prevent excess current draw in the event of arcing when the filament parts.
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Old 04-20-2009, 12:09 PM   #5
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Question about light bulb burnout arc


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Originally Posted by Yoyizit View Post
There is a fuse wire inside the bulb to prevent excess current draw in the event of arcing when the filament parts.
Has this always been the case? When I was a kid, I can recall my grandfather warning me about what the OP brought up. Though, I tend to take everything that him and my father knew about home repair/maintenance with a grain of salt.
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Old 04-20-2009, 01:02 PM   #6
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Question about light bulb burnout arc


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Originally Posted by PirateKatz View Post
Has this always been the case? When I was a kid, I can recall my grandfather warning me about what the OP brought up. Though, I tend to take everything that him and my father knew about home repair/maintenance with a grain of salt.
When I first heard it, it somehow made sense. Now I'm not so sure. . .

"It has been common practice to provide a fuse for certain high efficiency tungsten-halogen type lamps because these lamps have a tendency to develope an ionized arc which causes a flow of high current as is more fully described in Wiley U.S. Pat. No. 3,211,942."

This ^ is an early patent. When I left the USPTO in '99 they were just turning over patent #5,000,000.

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