Le_Jars Posted November 14, 2007 Share Posted November 14, 2007 Is this possible? I have a set of 3 halogen 12v (with transformer) downlights and was wondering whether I can put a dimmer switch on these? Link to comment Share on other sites More sharing options...
Mikew Posted November 14, 2007 Share Posted November 14, 2007 Have done this sucessfully some time ago in my work life. We had to buy specific dimmers that would work with transformers. No problems with bulb life, although the lamps were supposed to be run at full power occasionally to stop bulb blackening. Link to comment Share on other sites More sharing options...
Pads Posted November 14, 2007 Share Posted November 14, 2007 Sorry dont know how as we had an electrician do it , but yes we have dimmer switches on our 12 v lights Link to comment Share on other sites More sharing options...
Ford Anglia Posted November 14, 2007 Share Posted November 14, 2007 You can certainly buy dimmer switches suitable for halogen lights, mains or LV. I've just bought one from Screwfix here in the UK for less than £5, push-on/push-off, 400W.Mine is used to control the temperature of a small soldering iron though[;-)] Now I can solder white-metal without fear of melting it. Link to comment Share on other sites More sharing options...
Nick Trollope Posted November 14, 2007 Share Posted November 14, 2007 Yes, you can get them (in France - UK ones will not fit French boxes and are probably not approved for use here), but you must get the sort that are for use with transformers - an ordinary one will probably blow up due to the inductive load of the transformer... Link to comment Share on other sites More sharing options...
Le_Jars Posted November 15, 2007 Author Share Posted November 15, 2007 Thanks all for your advice, very helpful. Link to comment Share on other sites More sharing options...
Jonzjob Posted November 15, 2007 Share Posted November 15, 2007 You will also have to make sure your transformer is dimmable because some electronic ones are marked not suitable for dimmers. Link to comment Share on other sites More sharing options...
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