We originally had two single light switches in our utility room and when the electrician was is we asked him to put a double light switch in instead. He did this and put a blank plate where the other one was. We now want to fully tile the utility room and I want to tile over the area where the blank plate is - can I do this by removing the blank plate and putting a tile over or are there any special flat plates that I could use.
The regulation insist that cables should be run in what is called permitted cable routes.
This is why your electrician has put a blank plate on this box. Unless you re-route the cable you will not be allowed to just tile over it. As the route of the cable will then not be visabilly noticable. One day you may or someother poor sole, decide to put a shelf up or some fixing that means drilling through the tiles, what's to tell them that there is an electrical circuit routed beneath the tiles? Nothing if you tile over this plate. You can buy longer MS screws so you can replace the plate after tilling, the other thing is that the cables will be jointed at this box and it offers an inspection point so it's easy to check for loose connection and repair if nessessary if a fault occurs there.
addler - the above only applies if there are still live wires in the box you want to tile over - if so, you could pay an electrician to remove the wire. this might mean chopping the wire out of the wall but if you are going to tile it anyway...
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