Was just going to advise about concrete ceilings and the like before he started cuttng holes. But it is irrelevent now. ; -)why do you ask?
bit stange really, the wiring from the cu is twin, it changes to and from singles along the way. got 60 m ohms on ir, zs .80 on earth and .44 on conduiteMetal conduit and singles is probably extremely old and I would be looking to test supply before making alterations. The last house i came across with this neede re-wiring, so proceed with caution
I don't want to hijack the thread but I would be grateful for that adviceWas just going to advise about concrete ceilings and the like before he started cuttng holes. But it is irrelevent now. ; -)
go for itI don't want to hijack the thread but I would be grateful for that advice
Would be most concerned about Insulation Resistance. The only places I've come across with conduit have always been 60s/70s MOD flats and the like, non of which seem to have been installed well initially. But just cos its old doesn't mean it isn't usable. Sounds like you've had a partial re-wire, which is also not unusualbit stange really, the wiring from the cu is twin, it changes to and from singles along the way. got 60 m ohms on ir, zs .80 on earth and .44 on conduite
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