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I cant see why any bonding would be required internally to the flats? Any bonding would need to come from the ryfield/MET to water/gas/structural in prefumanly cellar/switchroom. As other have said, what is dno supply/tails?
Discuss PME supply block of flats in the UK Electrical Forum area at ElectriciansForums.net
Main bonding should be installed for each installation.
The installation in each flat is a seperate electrical installation and should have its own main bonding.
If they are being classed as a separate installation, then surely you would base the bonding conductor csa on the supply conductors for the individual installation?
Yea that’s how I read it,if you export Pme,then you need to ensure its requirements.No, the size of the bonding is based on the size of the DNO's combined neutral and earth conductor. Neutral current diverted via the bonding under fault conditions will depend on this, not on the size of the supply to each flat.
Ultimately for a job like this the DNO should be consulted.
No, the size of the bonding is based on the size of the DNO's combined neutral and earth conductor. Neutral current diverted via the bonding under fault conditions will depend on this, not on the size of the supply to each flat.
Ultimately for a job like this the DNO should be consulted.
Reply to PME supply block of flats in the UK Electrical Forum area at ElectriciansForums.net
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