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What are cold cathode

post #1 of 14
Thread Starter 
Cold cathode... why wouldn't u just get a light? do these things help cool ur pc? whats the deal wit em? Sorry im a noob to cathodes
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post #2 of 14
Well they dont heat up like normal lights, they are well not hot when they are on. Does that answere your question??
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post #3 of 14
Thread Starter 
ok, so it's just a light that doesnt emit heat
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post #4 of 14
Actually they do get hot, just not hot enough to burn yourself on. I would know, I have four.
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post #5 of 14
Quote:
Originally Posted by Fishie36
Actually they do get hot, just not hot enough to burn yourself on. I would know, I have four.
Well mine doesnt emit any heat, well it does but so little i dont notice it much if i touch it.
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post #6 of 14
Quote:
Originally Posted by tylerand
Well mine doesnt emit any heat, well it does but so little i dont notice it much if i touch it.
The point is they're definately not cold. Also the transformer makes some heat as well.
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post #7 of 14
Their not excatly "Cold" Cathodes, they get luke warm.

I dont know why they are called cold, But they work the same as your standard Flouresant lamp or at least similar. Deals with igniting gasses so many times a second...blah blah.
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post #8 of 14
http://uweclighting.tripod.com/1l.jpg This is what it looks like in a case. (On the very right side).

Real pretty.
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post #9 of 14
In halogen bulbs or hot cathode fluorescent tube, large amounts of electric current are pushed through a thin tungsten wire filament, superheating it into the range of 1,200°C-4,000°C (2,200°F-7,200°F).
In contrast to the filaments in traditional lighting, the cold cathode electrodes operate at a significantly lower temperature of 65°C + 20°C.
copy/paste from here...
http://www.cetsolar.com/ccftech.htm
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post #10 of 14
they just get warm
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