Author Topic: Wattage of CFLs and Incandesant Sockets  (Read 1924 times)
lightman64
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Wattage of CFLs and Incandesant Sockets « on: December 15, 2008, 06:53:09 PM » Author: lightman64
you know how a 100 watt equivilent Cfl really uses only 23 watts? well does that mean you could put it in a lamp socket that is rated only for 40 or 60 watts and still get the 100 watt equailvent light output?
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Foxtronix
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Re: Wattage of CFLs and Incandesant Sockets « Reply #1 on: December 15, 2008, 06:56:58 PM » Author: Foxtronix
A CFL /fluorescent tube has simply a better efficency (lumens/watt). They emit much more light per watt because their technology is more advanced.
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lightman64
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Re: Wattage of CFLs and Incandesant Sockets « Reply #2 on: December 15, 2008, 06:58:29 PM » Author: lightman64
so could u put a 100 equilivent in a 60 watt max base?
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Re: Wattage of CFLs and Incandesant Sockets « Reply #3 on: December 15, 2008, 07:52:52 PM » Author: Foxtronix
Yes, a 23/26W CFL makes the same amount of heat as a 60W incandescent lamp. In open fixtures you can install CFLs of higher wattage, but only if you see that the lamp can get rid of his heat enough!
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Re: Wattage of CFLs and Incandesant Sockets « Reply #4 on: December 18, 2008, 06:21:18 AM » Author: TudorWhiz
Yep ive had that question, so I just say oh well follow the tag, CFL isn't 100 watt so ill SCREW IT IN!  :P
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Re: Wattage of CFLs and Incandesant Sockets « Reply #5 on: March 24, 2009, 06:13:43 PM » Author: Medved
I would NOT recommend it. As certain fixture rating correspond to provided ventilation inside and used socket. Even if CFL's run cooler, they are (their ballast lifetime) VERY sensitive to temperature - each 10degC lower temperature the ballast lifetime doubles and vice versa. And for higher wattages (>11W CFL) the ceramic socket is very helpful, as ceramic is quite good thermal conductor (compare to plastic), it keep the CFL base cool - there is located the most temperature sensitive and short lived ballast component(s), DC bus filtering (and/or doubler) capacitor(s).
And as second, CFL's (at least 120V ones) tend to dramatically overheat at the end of life, while higher fixture rating ensures (at least a bit) higher level of protection against fire from such dying lamp.
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