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Was the isolator switched off? If not then the neutral and earth are connected together by the DNO.
He's found the problem, see above
Discuss Insulation Resistance zero Ohms in the Electrical Testing & PAT Testing Forum area at ElectriciansForums.net
Was the isolator switched off? If not then the neutral and earth are connected together by the DNO.
Reply to Insulation Resistance zero Ohms in the Electrical Testing & PAT Testing Forum area at ElectriciansForums.net
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