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Excellent point Batty! The cable runs will be boxed in where they run up the walls. So I will be fitting 63A RCCBs as isolators for each flat. The concensus from various sources seems to be each flat should be treated as a separate installation as far as bonding is concerned, hence the...

Thanks for the replies. I agree the sums say that the cpc is large enough but as a distribution I was working on the 50% principal erring on the side of safety and it is TNS. I was planning on connecting it at the supply end anyway so it could function as designed but could not find anything...

I am working on a 6 flat conversion which has a 3 phase supply so I am supplying two flats from each phase with a separate consumer unit for each flat. The distribution for each flat is in 16mm T&E with a separate 10mm earth cable. I was wondering is there anything intrinsically wrong in...

Get some decent flat bits and the 18v version should be fine. I have found the Bosch speed cut range cut through with very little effort with the smaller of my Makita 18v LXT drills. They pull themselves through the wood and seem to cut much quicker than the wood beavers. Just in the middle of...

I have just replaced my bathroom GU10 halogens with smd led 6w and wow are they bright. They make the 50w halogen they replaced look dim. I for one am very impressed with these lamps. Pity they are so expensive at the moment. Lidl have some ES ones at the moment and my wife is very impressed...

Thanks for the thoughts. My initial reaction has been confrmed. It was someone else's cost cutting thoughts that made me ask the original question. There is not enough room to add an rcd without removing the main isolator so it will be RCBOs or a new cu. Due to the cost, I can see it being a...

I have been asked to change a cu because only one half of the load is protected by rcd. There is an isolating switch (60947) fitted in the tails from the cutout feeding the cu. Is there anything wrong in replacing the isolating switch with an rcd type? I understand that any fault will now...

Hi everyone, Just a quick introduction from me. Spent 20 odd years in the RN as a mechanical/electrical Artificer, fixing submarines. Left in 1999 to drive and maintain trains and was made redundant nearly 2 years ago. Got my 17th edition and Part P quals and have been working for myself as...