Hello Zimmy,Dear Steptoe,
What is meant by 'OK ish' for IR test? Did they comply or not? More to the point, what would you have done if there was a N/E fault or the insulation was found to have fallen from the conductors of the lead covered circuits?
Why would you not put them on an RCD if they were compliant?
It seems that you carried out a Zs without first proving R1+R2 (polarity) as you say you didn't disconnect or move them. Unless you used the long-lead method as a minimum you would have had to at least put a link from the protective device to the earth terminal.
If it was a 'staged job' I would have thought that a preliminary inspection would have given these lead circuits a little priority. I take it that a EICR was not carried out prior the job starting?
Just a thought
I was only contracted to remove existing wiring to one room, and install a new cooker circuit,
and rewire to a new CU of adequate size to rewire the rest of the house to in the future,
I didnt do an EICR in this case as I already knew that only the newly installed circuits [socket radial and 1 light] would be going on the RCD,
all other circuits were untouched.
as it happens, the existing circuits were wired in a spur off the ring fashion, a ring had been wired round the house with each socket spurred off it via a JB,
I didnt do any tests on the existing wiring apart from an IR 1.2meg, and a Zs 1.13 , simply for my own inquisitiveness, and to be happy about leaving it energised, even though it was nothing to do with me.
obviously the IR is very low, hence the OK-ish remark.
I personally wouldnt even consider moving an old lead sheath cable that is expected to be put back into service, I think that is just asking for trouble.
ps, every circuit in the house is lead almost, apart from a few bodge ons that are a mix of VIR etc.
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