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Do I need to run bonding conductors from each meter?

David Naylor

Hi,

In a block of 18 flats, each flat has its own 1ph electric supply and a copper water supply stop-cock and copper gas stop-cock all bonded together after the stop-cocks as they enter the flat, with a current NICEIC periodic certificate.

My question is: 

As the gas meters for all the flats are in a cupboard outside on the ground floor, they are bonded with the water supply to the landlord's supply and have a current niceic periodic certificate for the common parts

I have been informed that we now need to run bonding conductors from each meter to each individual flat, is this correct?

David

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    As has been mentioned if it's bonded at point of entry so on the face of it sounds ok and nothing needs doing.

    What may have been picked up is if the sub-main is a 16mm T+E the CPC may not be large enough for a main bonding conductor unless a separate 10mm earth/bonding cable was run along side it.  Somebody has bonded at the flat unnecessarily, but if its was required would possibly be non compliant.  ( Sorry I know not very well worded but hope you get the point)    Gary

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  • 0

    As has been mentioned if it's bonded at point of entry so on the face of it sounds ok and nothing needs doing.

    What may have been picked up is if the sub-main is a 16mm T+E the CPC may not be large enough for a main bonding conductor unless a separate 10mm earth/bonding cable was run along side it.  Somebody has bonded at the flat unnecessarily, but if its was required would possibly be non compliant.  ( Sorry I know not very well worded but hope you get the point)    Gary

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