freepo wrote:
I was just watching property ladder, and the guy said that after they
had just installed the lighting circuit, they had found out it was the
wrong sort of cable.

Can you think of what he meant?

Possibly that an earth-shielded cable to BS 8436, such as Earthshield or
Flexishield, was needed to allow it to be buried in the walls without
RCD protection whilst complying with the 17th edition?

--
Andy