This is a US site, but there is a wealth of info here about dimming and controls. Definitely worth a bookmark and a read thru the articles - although it is a bit USA-centric on some issues (eg: types of fluoro lamps) it covers a lot of the things that we come across in normal day-to-day work : [URL]http://www.aboutlightingcontrols.org/education/index.shtml[/URL]
