Dimmer noise

When I use a dimmer to dim a light, it makes a light buzzing noise. Why does it make a noise?

samuellaudio04-19-2007 4:19pm

mt10425 Details Discussions Posts This discussion Message User 1,138 posts 04-19-2007 at 06:45pm Copy Comment URL Report Comment Edit Delete When I bought my house, it had nothing but dimmer switches. I changed them all.