I’m looking for some advice regarding a dimmer switch I have just installed in our kitchen.
We have a double switch which controls the kitchen and dining room on one side and a single which does the kitchen only.
I purchased a BG Electrical Single Dimmer Light Switch, Black Nickel, 2-Way, 400 Watts from Screwfix.
It was straightforward to fit but what I’ve found now is that the dimmer will only switch on/off when the kitchen double switch is on. You can then switch the dimmer on/off or adjust the brightness, but when the double switch is off you cannot use the dimmer to turn the light on.
I’ve attached some photos showing the double(white) wiring and the black (dimmer)
Sounds like there should be a link between both of the commons, from the photo it looks like there is nothing in the second common. As your fitting a metal face plate there must be an earth in the back box or earth connected onto the face plate.
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