Karen wrote:

These days, "ordinary" plateswitches are permitted PROVIDED they're out
of reach of bath or shower - Zone III or Outside-The-Zones, which if I
remember correctly means at least 600m from the nearest edge of any bath
or shower;


Wow! That's one heck of a bathroom!

D'oh! There was me, vacilating whether to call it "2 feet", "60cm", or
"600mm" - and inbetween the alternatives I made it just about three
furlongs ;-)