I thought I should post this, as it's good info to spread around.
A while back I posted about the problem with CF Bulbs (Compact Fluorescent). To recap, they contain mercury (Hg on the periodic table) which is toxic. To read the entry, click HERE.
In an attempt to reduce my electrical needs, I've started slowly buying LED Bulbs to replace my incandescents and CF bulbs. They are quite expensive still so I'm not rushing out to do it all at once. Someone in a forum (don't ask me where, I can't remember now) mentioned that running LED's on standard dimmer circuits can significantly shorten their life. They didn't back this up with any info, so I FINALLY decided to contact the people who make the bulbs I own, C. Crane Company in Fortuna, C.A.
Here's the skinny, according to them:
Thank you for taking the time to contact our company. Yes, dimmer switches will destroy an LED bulb prematurely. Currently dimmer switches are designed and built with incandescent bulbs in mind. These products are not good for low wattage bulbs such as LED bulbs and fluorescent bulbs. Hopefully dimmer switch manufactures will start producing a new line of dimmer switches with these low wattage bulbs in mind.
If you have additional questions or we can be of further assistance please email or call our toll free number.
Customer Support Supervisor
C. Crane Company, Inc.
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----- Original Message -----
Customer Name: Ian Hopper
Subject: Product Question
I purchased a couple of your Par 30 LED Bulbs from the Green Fusion center in San Anselmo C.A a few months ago. Recently I heard that running these bulbs on a dimmer circuit was bad for them and that they needed a dimmer circuit built for LED's. I was wondering if you had any further information: I don't want to prematurely burn out my bulbs!
So there's your answer: don't run your LED Bulbs on dimmer circuits! Now I need to get busy replacing the dimmer circuit in my son's room so I don't burn out the new bulbs. You've been warned!