sockets circuit

I'm doing a garage conversion and looking to do the simpler jobs myself. Electrics obviously isn't one of those tasks but as I am doing the stud and ceiling insulation etc, can I lay 2.5mm electic wires so that its in place for the electrician to wire up? My thinking is, start near the main...

Hi I've changed the kitchen socket due to 1 of the switches breaking, wouldn't let me switch it off. Since I've changed the socket the left socket doesn't seem to work, if I flick the on switch I get power for a brief second then nothing.... Any ideas? I've since tried the old socket and still...

Last night I turned one of my sockets on and then all of a sudden it stopped working, nothings tripped, and then I find out another one isn’t working, so I turn off the power and search behind the 2 sockets to try and find an obvious issue, but all looks good everything secure, but it’s only the...

I'm going to install one of those stair lighting systems where a controller illuminates each step, about ½ second apart, once triggered by a PIR sensor. The controller will be powered by a 24v transformer, and I'll be installing a mains switch for it. Which circuit should this be connected to -...