Now we know why 3-core&E isn't used when it's not needed - because it's not needed, costs more and what to do with the spare core causes too many arguments and confusion.
Oh well - in that case I am baffled.
The cable must exit the wall somewhere so that will define the zone horizontally or vertically for its route to that position.
Perhaps a flex-outlet should always be fitted - then 'point' or 'accessory'; take your pick.
On the other hand it might be.
So...
If they can't then they should not be doing work that requires that.
Who is disputing that?
They can't but that doesn't mean the installer was allowed to have fitted a cable where it should not be.
Yes, for caution when drilling; not for installing the cable in the first place.
Also no one...
Ok?
Why does my post #52 answer not satisfy you?
I am not exactly sure what you are getting at - or more precisely why you are getting at it - but I shall say "Yes, it would".
Are you thinking that there can be situations where nothing is 'creating' a safe zone for a cable that is to be...
Right, so let us start again:
A back box or just a cable exiting the wall - the red square - is to be installed at a position that will be hidden by the illuminated mirror.
The cable for this mirror will obviously have to be installed before the mirror is hung (not to mention before the wall is...