It will be connected to the face plate screws so that they are earthed and will not carry a current. Bridge

In Line Switches | CPC UK

Face plates have the terminals fixed to it which are usually screwed. The live and neutral are 22mm apart. To prevent something accidentally being inserted into the live parts of the plug, there are shutters (UK plugs) which only open if the top, earth ping is inserted.Terminals – These provide the entry points for the wires to be connected to either side of the switch. The switch will interrupt the flow of electricity through the live (Brown sheathed) wire. What you should do is run a 2.5mm T&E cable from the distribution board. But that's easier said than done.

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actually why didnt i think of that totally forgot that there was the distribution unit up there !! strange as i was playing with it last night aswell.CarGurus UK Limited, c/o Legalinx Limited, 3rd Floor, 207 Regent St, London W1B 3HH, United Kingdom This will either sit inside the wall, in the plaster or cut into the plaster board, or be mounted on top of the surface of the wall. Plastic tends to be used if the pattress is surface-mounted and metal when it is incorporated in the wall.

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This is the metal strip that connects the earth terminal and therefore earth wire to the face plate screws. TerminalsPattress – This is the box that contains the parts of the light switch. Make sure that you get the right size face plate to fit on the pattress that you have fitted One was told the signal was beamed to her set top box without wires then we turned up drilling holes in wall to wire in cable tv she wasn't too pleased