loop wiring

I'm renovating old property which was rewired 15 years ago and have noticed cable looping back on itself between sockets in the same rooms. For example, in the lounge 2 live 3 core cables enter the room and 1 of them is wired into a double surface mounted socket (socket 1). The other cable goes...

So those who have seen my previous post know that I now own a Megger MFT 1730 what has recently been calibrated and that I was also experiencing higher than permitted Zs for my kitchen circuit what is protected by a 32A Type B MCB. With my MFT1730, this is what I get from the same socket in the...

Hi all, I hope we have some knowledgeable sparkies who can comment on this one. I will start off by saying that I am confident and skilled in most areas of DIY and am not stupid when it comes to electrics - I have enough understanding to stay safe and know my limits. I think this one is within...