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Compact Fluorescent 13 not equal to a normal 60 allan 02-26-2007
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Posted by Just Joshin on February 26, 2007, 10:18 pm



>I have been replacing my 60s with cfl 13 which say they are
>equivalent, they are not the 60 is much brighter. Has anyone else
>noted this?


Some 60's put out more light than others. So best to compare lumins,
also the manufactures compareison, might be an average.

Just a guess....

tom @ www.FreelancingProjects.com


PexSupply PEX Tools 468x60
Posted by Deke on February 26, 2007, 11:24 pm



>I have been replacing my 60s with cfl 13 which say they are
>equivalent, they are not the 60 is much brighter. Has anyone else
>noted this?

The 100s equal about a 75.
The 75 equal about a 60.

Pay more and get more light.

Try to work in t8 whereever more light is needed.



Posted by Don Klipstein on February 26, 2007, 11:41 pm


>I have been replacing my 60s with cfl 13 which say they are
>equivalent, they are not the 60 is much brighter. Has anyone else
>noted this?

I have found 13 watt CFL to match 60 watt "standard incandescent" at a
favorable temperature and when the CFL is in newer condition and on a good
day.

It appears to me that a 15 watt CFL can usually at favorable temperature
match the light output of a 60 watt "standard incandescent".

Given phosphor aging and scotopic vision and fixture optical design
issues, I consider it not too unlikely that you may need a compact
fluorescent in the 18-20 watt range to produce as much illumination as a
60 watt "standard incandescent".

- Don Klipstein (do@misty.com)

Posted by Fay on February 27, 2007, 1:02 am



> I have been replacing my 60s with cfl 13 which say they are
> equivalent, they are not the 60 is much brighter. Has anyone else
> noted this?
>

I bought some that were labeled soft white. They were not very bright. I
went back and bought some labeled bright white and they are very close to
the 60s I replaced.

Posted by Frank on February 27, 2007, 7:56 am


>
> > I have been replacing my 60s with cfl 13 which say they are
> > equivalent, they are not the 60 is much brighter. Has anyone else
> > noted this?
>
> I bought some that were labeled soft white. They were not very bright. I
> went back and bought some labeled bright white and they are very close to
> the 60s I replaced.

You have to be careful with this, as light may be of different
spectrum that you may not like. I had to put a pair of these on the
porch because wife objected to light.

Also buy by lumens or light output and not advertised wattage
equivalent.
As others suggest, I buy the slightly higher wattage cfl's which put
out more light and still save a lot of money.

Frank


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