do, she asked
me if I want an 'all off switch' in the
bed room. I think I must have looked quite stupid, so
Actaully, if I was planning
a workshop from scratch (something I've never
had the luxury of doing), I would include an 'all off' switch near the
door and make sure everyone in the house knew about it. Not because I am
worried about radiation, but in case I connected myself to the mains or
something.
A convenience, NOT A SAFETY! , "All-OFF" is trivial to implement with X10.