Bathroom Fan Isolator Switch
I believe that if the fan isolator is on a pull cord it can be located within the bathroom but if it were a switch it would have to be outside of the room.
Bathroom fan isolator switch. The first digit of an ip rating describes its protection from solid objects such as tools insects or dust. If the bathroom is next to a bedroom you may want to point out the benefits of having an isolator to silence the fan during the night. Isolation switch for use in bathrooms and special areas for isolating circuits installing a timed fan extractor the isolation switch must be on a pull cord inside a bathroom or as in the diagram above a switch on the outside. Which ever one you are using the wiring itself should be the same.
The higher the number the more protection. This is because many include a run on capability that is triggered by the operation of the light switch and it is not permitted to have a device powered from two separate circuits. Introduction extractor fans in bathrooms are frequently powered from a lighting circuit. Within the range there are many top trade brands to choose from and a wide selection of finishes and colours to suit the look and feel of any room.
A fan isolator switch is normally used with an extractor fan to enable isolation of the fan for repair and maintenance and is fitted outside the room. Or when the fan isn t required as if the fan is one overtime you turn the lights on it will shorted the life span of the fan. A fan isolator mounted adjacent to the fan would fulfill the requirement for switching off for mechanical maintenance.