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Discuss Identification of incomer in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
It looks like a very old TN-S supply, is there a lead sheathed cable entering the bottom enclosure ? can you not islolate the installation and do a Ze test on the cast iron enclosure, even if its a good reading the DNO should be asked to upgrade the earth connection to the service cable
Reply to Identification of incomer in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net
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