Don't normally work with mineral insulated, but would I be right in thinking Zs is measured via copper sheath of cable ?:|
Thnis stuff has been in situ for over 30 years on top of a rain soaked hill. So I think its probably sealedMICC cable is notorious for water ingress if not terminated properly.I had a public house where they never used any pots just used insulation tape to seal the ends, needless to say after a couple of years it had to be rewired.
It is according to health and safety headbang which I always take notice of O)30ft isnt that high!
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