In article ,
The Natural Philosopher wrote:
you should NOT use dimmers with toroidal transformers. Use electronic
ones designed to work with dimmers.

That was the only way you could dim them before electronic PS became
available. You need a dimmer designed for an inductive load, though.

--
*Ham and Eggs: Just a day's work for a chicken, but a lifetime commitment

Dave Plowman London SW
To e-mail, change noise into sound.