Discuss spare fuseboard in the UK Electrical Forum area at ElectriciansForums.net
I mean the water pipe. It's the same location as the fuseboard 40cm from the fuseboard.What is the pipe, and where is it?
You mean earth the new board from the water pipe or its main protective bond.I mean the water pipe. It's the same location as the fuseboard 40cm from the fuseboard.
Yes, main protective bond. Sorry to write not clearly.You mean earth the new board from the water pipe or its main protective bond.
I mean, do I have to bond it? The space between the water pipe and fuseboard is correct.For avoidance of doubt -
Is the question that there is a water pipe close to where you want to put the new board, and do you have to bond it to the new board?
It isn't really clear what you are asking.I mean, do I have to bond it? The space between the water pipe and fuseboard is correct.
But if the existing board is the MET then also fine to just run suitable earth to the new board from there if there is space.
I don't see any reason why not so long as there are enough free terminals able to take the (probably) 16mm conductors. After all if you took a sub-main then it comes from there.I was taught never to earth a board from another board and to split the earths in a Lucy block or other suitable accessory.
Never questioned it but now I am. Is it fine to take an earth from an existing board?
I would still suggest that for anything that:(It was once the case to say "If in doubt, bond it". Some still say this. But I don't think this is a good answer as by following this mantra things can become live in fault conditions that otherwise wouldn't.)
Are you bonding cable tray as it's an exposed conductive part and it can become live under fault conditions? In this case the fault would have to be a damaged cable I'm presuming?but I would bond cable tray carrying any sort of power cable.
Yes. It is quite conceivable for a cable to get damaged on the edge of tray and make contact.Are you bonding cable tray as it's an exposed conductive part and it can become live under fault conditions? In this case the fault would have to be a damaged cable I'm presuming?
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