In message , Andrew Gabriel
writes
In article ,
writes:
He reckons that for safety every circuit should be protected by an RCD
as in his 30+ years experience he has known about deaths caused by
people working on lighting circuits as well as mains circuits, but

The number of deaths caused by lighting circuits blacking out
is probably at least a couple of orders of magnitude greater.


And what were these people doing 'working' on lighting circuits which
were still live anyway?
--
Chris French, Leeds