Thanks for the quick reply.
The bathroom is used for other things other than the shower and there is already a fan in the wall running at the same time as the light.
As I have the ceiling mounted pull cord switch from the old power shower I thought I could use this when I wanted to use the...
I have taken out an old electrical power shower and replaced it with a gravity fed unit. Can I used the electrics for the old power shower to run a cubicle extractor with light? I don't want one with a timer. There is an existing extractor through the external wall. Just want to pull the cord...