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Installing dimmer light/Fan combo switches?
Google is fairly informative when it comes to installing a dimmer switch, but only when the light is a single switch. In my room I have two switches, a light and a fan. I'm down to the remains of the light switch, which is two black copper wires. On the new light knob there is two black cables and a green.
What am I to do with the single green cable when the original switch only had the two copper wires? Do I just connect the black cables?
Green is the ground, the existing light fixture did not have the ground, as I'm guessing it is with the fan? So all I did was twisted the wire that came with the dimmer to the copper wire that came off the switch. It now works but an audible buzz is coming from the dimmer at a low dim. But is fine at the max. Did I do something wrong?
3 Answers
- 1 decade agoFavorite Answer
YES you connected it wrong, cut off the green completely as you can only connect it to a equipment grounding conductor, which is usually bare copper or green.
Source(s): commercial electrician - woodtick314Lv 71 decade ago
Is the box made of metal? If so, you can install a green or bare copper wire to the back of the box and connect the green wire to it, but it's not absolutely necessary. If your box is plastic, you should have a bare copper wire or group of bare copper wires. Connect the green to that. Hope this helps.
- 5 years ago
Look and see if you find any information on the one your replacing. Here in the USA most ceiling fans are 120 volts. Therefore I would buy a switch that is rated for 120 volts with a minimum of 1000 to 1200 watts. Even if your fan is rated at a lower wattage these will work for you. Regards, Dale