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Hi all, I am thinking about installing a light fitting in my loft which will involve chasing a cable into the wall in the room below. I understand that this circuit will require RCD protection or mechanical protection on the cable (or both). I have an old fuse box which takes rewirable fuses...

Hello, I have a converted attic with a dwarf wall. I have fitted some new mains sockets in the wall but I would like to add some insulation batts to the wall too. Does anyone know how much clearance is required above and below a socket and the insulation? (In case you are wondering, there...

Can anybody tell me if it is acceptable to use multiple layers of foil insulation (eg Thermawrap) and simply multiply up the R value of one layer by the number of layers to get the overall R value? If possible, this would be a great space saver! Thanks in advance for any advice!

Hello, I am thinking of adding some foil insulation to my sloping roof. Since the ventilation will subsequently be above the foil, should I expect to get condensation dripping off or running down the underside of it? Thanks

I notice that a lot of multi-way extension leads have surge protection built in. Is it possible to get a surge protector which can be permanently wired into the entire mains supply in the house?

Has anyone got any top tips for stripping insulation from the middle of a wire, as is recommended when adding a socket to a ring?

My local DIY store sells 2.5mm2 cable which it says is suitable for up to 23 amps. Why is it then that it is normal to have a 30 amp fuse on a ring main? Also, does anyone know how to put the "2" in "mm2" in superscript?