10-04-2020, 08:37 AM
As Tony says, this has featured several times. I've just had a play with "Advanced Search", which is much more effective than the basic window top right.
Regarding why the earth side is isolated in preference to the live side, somebody in another thread made the very good point that the switch terminals do not need to be insulated on the earth side, but if installed on the live side a short to earth from an uninsulated bit of the switch is very possible.
Regarding why the earth side is isolated in preference to the live side, somebody in another thread made the very good point that the switch terminals do not need to be insulated on the earth side, but if installed on the live side a short to earth from an uninsulated bit of the switch is very possible.