We had an electrician install a few steel 2G Dimmer Switches. There was a fault with one so I opened it up to discover that the earth wire was not connected to the face plate/switch. I opened up the others and none of them had the earth connected. Is this dangerous? I have now earth wired both the mount box and faceplate independently. Is this ok or do they have to be earth wired to each other?
Earthing Steel Dimmer Switches
- Thread starter roger-bernhardt
- Start date
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It doesn't matter if you put the earth wires into the back box or the face plate; BUT you must link the earth terminal of the box and the plate together with a piece of G&Y sheathed, otherwise you are relying on the integrity of the fixing screws, which are sometimes removed, loose or suffer corrosion in the box. Same with sockets. Lots of people keep a pocketful of G&Y in 6" lengths for this very purpose (I sell them at 50p each if you want some 
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