On Sun, 26 Jan 2020 15:48:45 +0000, Fredxx wrote:

On this occasion the back box doesn't have a terminal for earth.

The 2-gang light switch doesn't have one either.

I presume I should use a single choc-block connector to connect these CPCs?

You know we aren't there looking at what you are right? ;-)

If you are asking if you can terminate an unused earth wire in a
chock-block (to save it getting into a live connector or some such)
I'd guess the answer would be 'yes' (and I'd sleeve it as well). ;-)

Cheers, T i m