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Hi Folks I have dubbed out a brick wall (quite poorly built, as it is an old victorian terrace) in preparation for two-coat plastering, trying to maintain a key depth of 10mm. I have used mastercrete 1:6 for this. How long should I leave it before applying the plaster undercoat? I...

Hi, I am wiring a series of mains interconnected smoke alarms using 3 -core and earth cable. The alarms do not have an earth terminal. This wiring plan was suggested as it would avoid using the earth for the interconnection wire, and therefore potentially confusing anyone else examining the...

Hi folks I would like to have six telephone sockets in my house, the idea being that a phone could be plugged in where needed, and give a better connection than a radio phone. Normally, you can only add an additional three sockets, but am wondering if it is possible to install six (as long...

I am installing quick-fit plastic pipe throughout my house for hot and cold water supply, and for the radiators. I am only using copper pipe for the radiator tails (about 20cm long), as they look nicer than plastic, and for the last 1 metre connection or so to the gas boiler, to be installed by...

Not sure if it is just me, but I find it very difficult to connect the earth wires together in many switches, sockets and mounting boxes. In a double pole box, I may hve up to six earth wires, two for each switch if they are both connected to other switches, plus one for the mounting box and one...

Have put a new intermediate switch in between a hall and landing light switches, so that the light can be independently controlled by any of the three switches. This is so that on stepping out of a room at the other end of the landing to the existing switch, the light can be switched on. Have...