Lobster wrote:

Particularly if the bathroom wall is of a stud partition construction,
it's usually a doddle to mount the switch in the same position on the
*outside* wall of the bathroom.

David

.... whereupon your children decide it's a great joke to turn off the
light when you're in the bath.

All this auto stuff is all very well except for the pee in the night
case. Sometimes you do NOT want it coming on, because of the noise.

Andy