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Does anyone know the history or reasoning behind PME and TN-C-S earthing? It came up today and I thought it was worth knowing.
Why was it brought in and when?
Why was it brought in and when?
Discuss History of PME Systems. in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
Would that not be obvious due to high resistance neutral?The lost Nuetral could go undetected forever though because of the bonding as long as the pipes that are bonded are actually extraneous
And if the pipes are not bonded, appliances and everything metal that’s connected to a CPC becomes live.
Yes no bonding would be dangerousas you trust your equipotential zone and bonding
and do we have any dates?
Reply to History of PME Systems. in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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