On Thursday, 5 October 2017 17:04:00 UTC+1, Dave Plowman (News) wrote:
Are you certain repairing an existing installation that once conformed to
regs isn't allowed?

The original problem sounded worse than it actually is.

"once conformed to regs" is a red herring, as even bare wire on cleats once conformed to regs.

I would also coil up sufficient spare new T&E in the ceiling to allow the switch drop to be replaced at a future date without needing a join.

Owain