Extractor fans with an integral timer or timed switch need a 3 core and earth supply to allow the unit to run on after a light is switched off. Never work on a live circuit you must ensure that the circuit that you are working on is isolated and cannot be switched back on accidentally.
Bathroom Fan And Light Switch
Wiring an extractor fan to a light switch. However if there is a window but it does not open then there has to be another way to switch on the fan as well as the light switch in fact there is no requirement to have it connected to light switch so three main methods are 1 a simple push. 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. Wiring new extractor fan into existing light switch in bathroom. Using wire strippers peel an inch of insulation from the end of the black and white wires. Extractor fans in bathrooms are frequently powered from a lighting circuit. Switching off the light at the light switch does not isolate the electricity to the ceiling rose or light fitting.
3 posts page 1 of 1. This article will show how to install and wire the extractor fan. Wiring an extractor fan with a timed switch thats turned on by existing light switch. Whether you are looking to wire a ceiling fan with lights to one power switch or add a fan in a room without a switch source this guide will teach you how to wire a ceiling fan using four common scenarios and the best wiring methods. Locate the switch cable which must be glued through the top or side of the box that serves the fan or the light. Wiring ceiling fans can seem complicated but the task really just depends on the type of fan you are installing and how you want it to operate.
Connect the black fan cable together with the black light wire and the black switch wire and. Connect a light and a fan to a new switch.