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Hi, can I spur to a cooker extractor hood from the live side of a fused isolation switch used for a 3kw undersink heater? An additional isolation switch would be added to isolate the cooker hood. The cable used is 4mm and only these two items would be on this circuit from the consumer unit. The...

Hi, I am insulating my internal walls using a quilt nailed to battens and would like to cover this with insulating wood fibre board such as SteicoTherm. However I am wondering if 20mm thick board will be as strong as plasterboard when it comes to resisting day to day wear and tear, or holding...

Hi, The single story bay window on my Victorian terraced house is beginning to tilt away from the front wall. Neighbours have said that the soakaway for the downpipe that is within a few feet of the bay window is the likely cause and that others have added an extension to the down pipe so the...

Hi, We are trying to sell my late fathers bungalow. Unfortunately it has a large crack between the kitchen and dining room walls, and also some other small cracks in other walls which we have been told are caused by subsidence as a result of water leaking from drains. We have had the drains...

Hi, I want to add 7 sockets to a ring main with five sockets. I have seen articles on the Internet indicating that adding sockets into the ring is a simple task, but others talk about calculating load, voltage drop, cable temperature, etc. Will a ring of 12 sockets require such calculations...