[BigRed1500]

I put 11 recessed can lights in my new kitchen. They work great, but obviously they draw a lot of power (they're each 100w). Are there any fluorescent bulbs out there that will work well on a dimmer? I tried the standard type that I've replaced other bulbs with, but they flicker when the dimmer is used. Thanks

[twinkiedooter]

Unfortunately there is nothing out there dimmer wise that works on these bulbs. They draw a much lower amount of energy than you're 100 Watters do and are not designed to work on dimmers as dimmers require a higher energy source to properly work. If I'm not wrong the bulb packaging should state that they are not recommended for use with dimmers or certain kinds of photocells. You just might have to bite the bullet and ditch the dimmer if you want to save energy.

[KISS]

Sorry twinkie:

Dimmable compact florescents

http://www.goodmart.com/products/916892.htm

I doubt that 11 of them can be placed in parallel. On that site, they suggested a 600 W dimmer for what I expect to be one light. This makes sense to me.

I would look for LED repacements such as these:
120V AC LED Replacement Household Light Bulbs

LEDS typically won't burn out, but will slowly start losing intensity.

[twinkiedooter]

Thanks KISS. Didn't know that they came out with dimmable compacts! I agree also with the LED lights. I have some of them and they are magnificent. Can't say enough good things about them either.

[ceilingfanrepair]

They do have dimmable compact fluorescents as mentioned above. I would try them. But honestly I still use halogen PAR bulbs in recessed lights I want to dim. I haven't found an energy efficient alternative that I like.

[Stratmando]

They also make 1000 watt dimmers that are single gang devices.
You could user a 600 watt dimmer if each bulb consumes less than 54.5 watts,
If not, where is the big savings?

[ceilingfanrepair]

For 11 100 watt bulbs you would need a dimmer of at least 1375 watts. They Make 1500 watt dimmers too, cost around $50 last I checked.

[Stratmando]

Looked at original post and see 100 watts, I was thinking of the dimmer for the dimming compact flourescents and would like to believe they draw less than 50 Watts.
Anybody got an idea what they consume? Maybe the 600 watt dimmer will work?

[KISS]

The CFL's consume a lot less in terms of watts, but I'll bet that the ballast, since it's an inductive load may require a higher rated dimmer to survive.

We used phase angle Fired w/ current limiting triacs into a transformer load (120:40 VAC). The semiconductor fuses ((I^2)t) were rated for 25A. Load fuse considerably less. Max load 300 W tops, so you get the idea. I had them switch to DC power supplies and you get some value added functions just for heating a resistive load.

[BigRed1500]

Yeah, we should have thought this ceiling group through a little better before installing. Because of the watage a standard 600w dimmer would not work - it gets too hot, so we had to go with a 1500w. Naturally a steep price for a light switch. I'm just trying to find a way to cut the usage down in that room since we spend so much time in there, the ligts are always on - trying to be a bit green.

[Stratmando]

They do make a 1000 Watt dimmer in a single gang device.
Yes they do make dimmable CFL's. Google "dimmable cfl's" you will get several choices.

[KISS]

It might be possible to use dimming ballasts controlled by a single 0-10 V signal or a lighting system such as this one:

http://www.lutron.com/News/pdf/TFMJu...rprnt40706.pdf

You can start at Lutron Electronics, Inc. - Dimmers And Lighting Controls.

I'll warn you, it will be expensive, so calculate your payback period.

I think the syem when engineered properly can adjust the intensity of the lamps depending on the light from windows, etc.

[KISS]

Here is a dimming ballast that will work on CFL's

Products

One of the methods of control is essentially a conventional dimmer. Controlled hot.

It may be possible to use the ecosystem with CFL's because somewhere I read that they can combine a ballast with a module to match lamps not covered.

[ceilingfanrepair]

Yeah, we should have thought this ceiling group through a little better before installing. Because of the watage a standard 600w dimmer would not work - it gets too hot, so we had to go with a 1500w. Naturally a steep price for a light switch. I'm just trying to find a way to cut the usage down in that room since we spend so much time in there, the ligts are always on - trying to be a bit green.

A few simple solutions:

1. How often do you use the dimmer? Using the lights at less than full intensity will cut down on energy consumption
2. How often do you use the dimmer? If the lights are usually at full brightness, remove the dimmer, and install regular CFL R/PAR bulbs.