Borrowed Neutral on lighting circuit

[Tridentsystems]

I guess he's common inch smoke line and neutral with ground floor lights. Disconnecting existing neutral from landing light, and using smoke cct neutral for upstairs light. Not sure I would be happy to do this

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Typo. Commoning not common inch ! Bloody predictive text

 

[Smellypants1234]

My personal opinion is that a ecir should be done before and works take place. Weather the house is being sold or not a board change should not happen until you know the system is safe and compliant to handle it.
I mean you check your parachute after you’ve jumped.

 

[littlespark]

A lot of names on this thread I don’t recognise…. But then a lot can change in 11 years.