earth connections

I am changing a two gang light switch from a older plastic version to a metal one. Moving the earths from the back box to the earth terminal on the light switch / plate, but on the two gang on the landing there are two red wires going into the earth terminal in the back box. Do these get moved...

Hello, I am changing the fittings in my kids room from an ordinary plastic switch to a brass dimmer switch. However the wiring is different. Currently, there is a black and a red cable however the dimmer switch has a few additions. It has the arrow symbol through a smooth wave, an L2 and an L1...

Hi, just had a storage cupboard installed under the stairs. The gas meter is located in there and has an earth wire attached to one of the top gas pipes. The thing is is that it now spans across the cupboard opening. My question is whether I can unattach the wire from the top and reattach it to...

I want to connect 6mm Earthwire from a bathroom into one of the bathroom power circuits as it must not be taken back to a Consumer board. I have a 20 amp junction box # with cables fitted for the bathroom and the 6mm is too large to fit into the Earth terminal in that box. Is it acceptable to...