Recent content by JonathanA

I wonder how some of you get anything done in the real world!

If I knew it all, I wouldn't be seeking advice here. Thanks to those who have provided constructive advice. Regards, J FWIW I am actually a proctologist.

Thanks John, I think I'm sold on that 80A KMF switch fuse at the supply end and a DP 63A MCB at the studio end. I know that terminating that SWA in the KMF will be a real pig! but hey .. Best regards, J

Halleluliah! Thanks for all your responses. Yes, I'd need an MCCB for 80A which a shame because they are larger and require a larger enclosure. Alternative is the 80A switch fuse. Either way, I need an extra box. If I stuck to a 63A MCB at the supply end, which is the largest MCB...

Many thanks to all who have taken the trouble to reply! I'll put my hands up to the criticism - I have done the job all back to front. In my defence, I was under some pressure to get the cable laid so that the trench could be backfilled. It was blocking access to the site. Still I am...

Ouch! and there was I thinking I should have used 25mm! I think it fair to say that I would be out of a job if I had to either uprate the cable or limit the load to 50A so neither are going to happen! I did check the voltage drop and found it to be within limits for 16mm though I...

Good morning! Hoping to get some advice from someone more knowledgeable and experienced than I am. I have a 100A PME supply to a garage. I am providing a new sub-main to a new studio/workshop which is about 30m away from a garage CU. I have run the cable through underground ducting and...

Hi there Anybody know the weight of 1/4" corrugated asbestos roofing sheets? I am converting an old chicken shed with it on to a dwelling. I think its pretty heavy - heavier than the ply-insulation-zinc I am replacing it with. This is significant because then I don't have to prove the...