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local75

08:55PM | 01/09/06
Member Since: 01/09/06
3 lifetime posts
Bvelectrical
Hi:

In my household, there are a lot of 'energy-saver'/flourence type bulbs, mostly 60 - 75 wattages bulbs.

When I look its wattages, just 12 watts and some are 15 watts in comparison to the 60 -75 watts/old light bulbs. Then, it must be really 'enery-saver' to cut electric bills.

Just wonder how much those 'energy-saver' pulling 'wattages?' Are they really 'enery-saver' to use just 12 - 16 watts that states on the its packages?

Thanks for your help in advance.

Billhart

06:27AM | 01/10/06
Member Since: 04/25/05
1915 lifetime posts
Watts referes to the electrical power that the device uses.

In incandensent lights MOST of the power goes to making heat, not making light.

The light output of the bulbs are measured in Lumens.

Most incandenscent's have the number of lumens marked on the package. Look at the long lasting bulbs and the new "reveal" type of bulbs. They produced less lumens that standard bulbs for the same wattage.

Not sure how many CFL has the lumens on the package. But look at these.

http://www.energyfederation.org/consumer/default.php/cPath/25_44_785

Then compare those with the incandenscent bulbs.

They do use much less power for the same light output.


local75

08:24AM | 01/10/06
Member Since: 01/09/06
3 lifetime posts
Hi:

Thanks for your response.

The reason why I put 'Energy-Saver' Bulbs is because my house was built late'60 - early '70, then we try NOT to pull 'too' much wattages.

However, my son started to complain about its brightness. He said that those 'Energy-Saver' Bulbs has 'less' brightness with a bit 'yellowish.' Then, for this, I try to put 'Energy-Saver'/75 watts but pulls 13 watts, ... according to its package.

My question is;

Am I able to replace a *75 watts-Energy-Saver-Bulbs* onto '60 watts'/classic light bulbs?'

Thanks for your response in advance.

Billhart

02:38PM | 01/10/06
Member Since: 04/25/05
1915 lifetime posts
Yes, you can use a larger CLF bulb based on the actual wattage, not the "equivalent wattage".

The rating on the light fixture is based on how hot the fixture will get in use.

The CFL's use much less power and thus don't get as hot.

I do think that the stretch the numbers when doing the comparison with incandencent bulbs.

But also there are differences in how the eye processes the different type of light.

While most CFL's have a color temp of 2700k which is yellowish you can get ones with a color temp of 5000k or "daylight" bulbs. They are very white looking.

http://www.energyfederation.org/consumer/default.php/cPath/25_44_668


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