In article ,
Chris Emerson wrote:
The existing cable is neatly clipped to the wall near the ceiling, and
comes down vertically for each socket at chest height. (The walls are
bare brick) Is that "properly protected", or should it be shielded?

I'd certainly run it in conduit in a workshop, and use metal clad
fittings. But IMHO only the vertical runs would need protecting.

--
*If you try to fail, and succeed, which have you done?

Dave Plowman London SW 12
RIP Acorn