Wiring A Bathroom Fan Isolator Switch

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.

Wiring a bathroom fan isolator switch. The time lag switch will allow the fan to be manually started but then run for a pre set time. Firstly the supply from the 3 pole isolator switch should be connected in to the junction box l n and e then the fan should be connected using 3 core and earth cable depending on the model the earth may not be required with the extra cable being used as the switch live sl. Using wire strippers peel an inch of insulation from the end of the black and white wires. Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light.

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. Use appropriate green yellow sleeving if required. This is achieved by connecting the fixed earth wire to the earth terminal on the socket or switch and then connecting a short length of wire from this terminal to the earth terminal in the wall box. It can also be adapted for separate switching if required.

Metal decorative sockets and switches must be correctly earthed.