SWITCH 1 HAS 4 EARTH CABLES CONNECTED TO A CABLE TERMINAL CAN I RUN A EARTH CABLE FROM THAT TO THE EARTH CONNECTOR IN THE BACK BOX THEN RUN A EARTH FROM THE BACK PLATE TO THE EARTH ON THE BACK OF THE DIMMER SWITCH MANY THANKS
i have 2 lights in my living room 1 at each end of the room and 2 light switches both turn on and off by by the same switch can I change 1 switch for a dimmer switch to control both lights and how to wire it correctly switch 2 is earthed at the back plate switch 1 is not earthed at the back...