On Tue, 18 Nov 2003 19:06:03 +0000, LOZ34 wrote:

Check that if the mcb is on the non Rcd side that the neutral is also
connected to the non rcd neutral rail. did this on my own consumer unit a
while ago, and the embarrassing thing is I'm an electrician shucks.

Agreed. Did this awhile ago on customers lighting circuit. Spent 20 mins
looking like a prat.

Dave