The isolation switch must be on a pull cord inside a bathroom or as in the diagram above a switch on the outside. If in any doubt consult a qualified electrician.
Bathroom Fan Isolator Wiring Diagram Bathroom Extractor Fan
Fan isolator switch wiring diagram. Isolation switch for use in bathrooms and special areas for isolating circuits. Installing a timed fan extractor. Connect the new socket or switch as shown in the appropriate wiring. Therefore carefully check the location of the terminal connections before wiring. Fans especially those that may be operated by automatic controls should be fitted with an isolation switch that will interrupt all live conductors ie. The 3 pole fan isolator can be installed in bathrooms but only under the strictest of conditions.
Which ever one you are using the wiring itself should be the same. Accordance with the current editions of the iee wiring regulations bs7671 and buildings regulations. For sockets and switches supplied with a clear plastic gasket position it between the wall and the accessory. 3 pole fan isolator switch wiring diagram wiring diagram is a simplified standard pictorial representation of an electrical circuit. If in any doubt on how. It must be out of reach of any person using the bath or shower.
This is to allow safe cleaning and maintenance of the fan. Kitchens are no longer classed as special locations and so follow normal wiring practice rules. It shows the components of the circuit as simplified shapes and the knack and signal associates in the middle of the devices. How to install a fan isolator switch.