[tryon1ja]

Dimmer switches don’t work on fluorescent light bulbs, in fact aren't allowed.

WRONG!

Dimmer switches are available for fluorescent light fixtures. They have been for a very long time. The used to be expensive but of late are being more reasonably priced.

[NVDave]

FYI - it isn’t so much that there is a special dimmer switch — you just need to have the correct ballast in the fluorescent light fixture and wha-la! Dimmed lights.

Here’s a URL to a typical product:

http://www.lutron.com/CMS400/page.aspx?id=6491