In article ,
Matt Beard wrote:
Actually I am not keen on the whole idea of bringing two separate
circuits into one box - this means two circuits need to be isolated
before working in the box and what are the chances of every future
DIY-novice understanding this! (Yes I know it happens in ever hall
light switch...)

Rule 1 is to test *anything* before working on it. What seems logical to
you, circuit wise, will not be the same to others.

--
*If God dropped acid, would he see people?

Dave Plowman London SW
To e-mail, change noise into sound.