What is the supply to an extractor, is it just taken from the lighting, extended in line from the light and operated via the bathroom light switch?
Yet others just open the window.
Normally the fan have an over-run on a timer, so take a 'hard' permanent feed and 'switched' live, so they come on with the light, but of a period of time later.What is the supply to an extractor, is it just taken from the lighting, extended in line from the light and operated via the bathroom light switch?