regulation

Hello I am half way through my construction of our loft conversion. There are four rooms in total, 3 of which have 2 windows in each and one has just one as it is smaller. Building officer inspected and said the windows needs to be 1/20th of the surface area. So one of the rooms has a...

Just started watching the following video, where it is claimed that the plastic bit in the string of pull cord switches is for insulation purposes and thus is a safety device. I can understand this if true, although is new news to me. Any truth to this, have you heard this before, and is there...

I need to put a hole through the external wall for a kitchen extractor and there's already a couple of other holes in the vicinity. I can't find any regs or official guidance for how large a hole you can make and how far they should be from other holes, openings etc. Is anyone here aware of...

Good Evening, Was hoping you could help me please, I have been a homeowner of my property for 25 years, Mortgage paid off and I have my title deeds ownership of the home. We had a back garden extension built 7 years ago, though, before this, we had a wall and wire fencing which partitioned both...

Table 54.7 in BS7671 says that when the protective conductor is the same material as the line conductor (S), it must at least be the same size as the line conductor. Why does 1.5mm² T&E not comply with this reg when you have 1.5mm² line conductors and 1mm² protective/CPC conductor!? Can some...