Wiring Diagram Kitchen Extractor Fan

With just a basic understanding of electrics and a good sense of safety you really shouldn t have a problem wiring up these extractor fans.
Wiring diagram kitchen extractor fan. I explain the wiring using basic wiring. Diagram showing wiring method for an independently switched extractor fan. The wire and the 4 ducting pipe is hidden by the extractor chimney which leads outside although you can get extractors with charcoal filters which simply filter the air. The exhaust fan has three wires out of the winding.
Red wire black wire green wire. Kitchen extractor fans hoods should be wired into the kitchen ring main via a fused switched connection unit. Extractor fans in bathrooms are frequently powered from a lighting circuit. Wiring an extractor fan is not a task that most people will feel comfortable doing themselves.
The result is that the fan motor can blow in both directions. 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. In this video i show how to wire a 3 pole fan isolator switch for a timer fan using 3 core earth cable and for a non timer fan using twin earth cable. However it is something that most people are capable of doing.
The supply for this can be taken from most existing circuits providing the switched fused unit sfu is present at the start of the installation and appropriately fused to protect the sub circuit cabling and accessories.