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Old 05-23-2013, 01:08 PM   #16
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Lightbulbs in office


You still haven't answered all of my questions.

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Old 05-23-2013, 02:36 PM   #17
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Quote:
Originally Posted by gregzoll View Post
Again, it is the rectifier inside the ceramic base, not the bulb. All a CFL is, is a whole fluorescent fixture miniaturized into a compact unit.

Do not know where you are getting that CFL's give off as much heat as incandescent bulbs, but both you and Seattle2k are way off base on this one.

LOL ... i touched mine before i posted .. they get hot ...

I have 2 main lights that have em ....

i have also put in 4 LEDS bubls and love them .. 2 outside spots, 1 outside porch light, 1 lamp light by the couch ware i sit ... they are the cat's meow ..

so i could be honest with customers ....
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Old 05-23-2013, 02:41 PM   #18
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Originally Posted by jashtiani View Post
Thank you for the great feedback, but here are my questions.

1. Do I need to reduce the wattage of these lightbulbs? What wattage would be best?
2. Where is the best place to buy LED lightbulbs? Where is the cheapest place that I can buy LED lightbulbs for my office? What is the best brand of LED Lightbulbs?
3. How long do LED lightbulbs last?
4. Will I really need a dimmer if I put these LED lightbulbs in? Should I either put in a dimmer, or put in the LEDs?

Thank you so much!
7 watt led will equal about 50w bulb.... you choice they also come in different colors 3000k is like Warm white ... 4000k is light white white or cool white

your local box store

50,000 hours plus

dimming LEDs .. humm .. just try a bulb ans see how you like it ... LED bulbs and dimmers kinda have to match ..or be rated for that
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Old 05-23-2013, 03:29 PM   #19
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Light is energy, energy is heat, therefore all lighting fixtures will give off heat. Obviously incandescent will give off enough heat to burn you, while fluorescent and LED are hardly noticeable.

What's the size of the room? Is the door closed when you say it gets too hot? Is there a supply & return vent in the room?

I'm having a hard time believing 260w from incandescent bulbs is the real problem...
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Old 05-23-2013, 07:47 PM   #20
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Originally Posted by Philly Master View Post
LOL ... i touched mine before i posted .. they get hot ...

I have 2 main lights that have em ....

i have also put in 4 LEDS bubls and love them .. 2 outside spots, 1 outside porch light, 1 lamp light by the couch ware i sit ... they are the cat's meow ..

so i could be honest with customers ....
Yes they will get hot, because they act as heat sinks, due to the rectifier that is in the base of the bulb.

Besides who touches a light bulb when it is on and hot? It is like someone going up to the muffler of a motorcycle or car, touching it, and going "All motorized vehicles have motors that are hot.", or "Darn that hurt."

Those words of Bill Engval to you Philly "Here's your sign."
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Old 05-23-2013, 08:47 PM   #21
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Geez guys... This isn't even electrical.... look at your wattage verse lumens. This is simple math. The rrest is heat.

OP... Pay attention to Gregz, DMK to the max, and Fetz (and probably someone I've missed).
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Old 05-23-2013, 09:11 PM   #22
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Quote:
Originally Posted by Philly Master View Post
CFL's definatly give off heat ....LEDS a lot less
This is quite true !
CFL's do give off heat,
But the point is,
that it is a LOT less than an incandesant.
So too do LED's give off heat,
but it is mainly due to the electronics
in the base which regulate the voltage.
The leds them selves do give off a small amount of heat.
So it is incorrect to say they give no heat.
But again it is MUCH less than any incandesants.
And no IR & UV.

so for the least amount of heat use LED'S.
Otherwise use CFL's.
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Old 05-23-2013, 10:27 PM   #23
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Quote:
Originally Posted by jashtiani View Post
Thank you for the great feedback, but here are my questions.

1. Do I need to reduce the wattage of these lightbulbs? What wattage would be best?

A = Lower wattage always means less heat, so use the lowest wattage
that still produces adequate light for the situation.


2. Where is the best place to buy LED lightbulbs? Where is the cheapest place that I can buy LED lightbulbs for my office? What is the best brand of LED Lightbulbs?

A = Depends on how much money you want to spend, mostly dearer means better quality. But with the cheapies if there cheap enough,. who cares if you have to replace them.
If you can buy them for $2.00, like me, I dont worry about
the odd failure, I just replace it. and move on.


3. How long do LED lightbulbs last?

A = Even the cheapies claim 10 000Hrs, some even more, up to 50 000
hrs, thats significantly more than incandesants


4. Will I really need a dimmer if I put these LED lightbulbs in? Should I either put in a dimmer, or put in the LEDs?

A = If you select the right lamps, you wont need a dimer, besides not all
Led lamps are dimer compatable, some are, some arn't.

Thank you so much!
Hope this helps !
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Old 05-23-2013, 10:59 PM   #24
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Hope this helps !
to the max.... you sir are a very nice person.

(Someone who says : "You still haven't answered all my questions" just PMO.)

Kudos to ya


Best to you

Peter
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Old 05-24-2013, 12:08 AM   #25
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to the max.... you sir are a very nice person.

(Someone who says : "You still haven't answered all my questions" just PMO.)
Yes...especially when he hasn't answered any of mine...

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