On 03/09/2007 18:47, Malcolm H wrote:

I am aware that low energy fluorescent lamps cannot be dimmed with a
conventional dimmer.

To go off slightly at a tangent, I've tried one of these
https://www.e-tradecounter.co.uk/Lig...CA20S-B22.html

Which is a 230v CFL, with internal dimmer operated from any normal
on/off switch, it is fairly good, the colour does change quite a bit as
the brighness changes, and there is a little bit of hum when it's at
full brigtness, but it's quite good with a pullcord in the bedroom,
fitted in an uplighter the colour change is less obvious too.