I've had an eicr test done and 2 circuits were marked as F1 due to low insulation resistance. They were 2.15 and 2.44 Mohms so more than twice the 1Mohm minimum.
The electrician has marked the report as 'unsatisfactory' on this basis. He says napit guidance is he must investigate them as they are below 200.
In an ideal world they would be 200ish but can he actually fail the system? I've spoken to another time served sparky (30+years) who said over 2 on an existing system should not be failed. I've tried ringing napit but no response yet.
Thanks for the replies, a bit of a specialist question but I know there's usually some sparkies on here!
I think it's about 25 years old and the lowest reading is for a single circuit.
It was getting a bit stressful yesterday as it's for a rental house to comply with the brand new regs on letting and the agents didn't tell me until late last week it needed an inspection. I've got tenants due in on Friday and I've got an electrician demanding an unspecified amount of money to trace and fix a 'fault' creating who knows what mess on circuits that aren't actually faulty.
Anyhow, my 'other' electrician delved into the new letting regs and found that a different electrician can sort out any issues without doing a full inspection and I've got 28 days to do it so panic over. So I've handed it over to him.
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