How to wire an extractor fan to light switch

Learn how to wire a bathroom extractor fan with a timer to an existing light switch or new independent switch. Use this clear wiring diagram of how to connect up your timed fan to ensure you install your timer fan successfully. Don't want to do this job yourself? Let us help you find a tradesman local to you.

You are not logged in, either login or create an account to post comments. How to wire a bathroom fan to go on with light switch? My teens are trashing a bathroom by steaming it up until everything molds. They take unreasonably long showers and do not turn on the fan. A better parent would somehow convince them to stop doing this, but I give up. How do I wire the fan in the bathroom to always go on when they have the lights on?

How to wire an extractor fan to light switch

Choosing the right extractor fan can be a minefield, with so many different options available, picking the perfect fan that ticks all the boxes can take longer than you would expect. But there is nothing more irritating than choosing the perfect unit only to find out that it is not compatible with your existing wiring! In this article we are going to look at the different styles and functions available and how these options depend on three possible wiring options. All extractor fans need electricity to run, however, depending on the functionality the wiring can differ. The most basic wiring option consists of a Constant Live wire and a Neutral wire to complete the circuit. Options which will work with this type of wiring include fans with built in pull cords, passive infra-red PIR movement sensors or humidity triggered sensors Humidistat. The next wiring configuration is possibly the most common found in older buildings and can cause issues when looking to upgrade an existing unit. This configuration consists of a Switched Live wire and a Neutral wire. The Switched Live generally will come from the light switch but occasionally it may be attached to a stand-alone switch purely for operating the fan. This means that power will only reach the fan unit when either the lights are turned on or the stand alone switch is operated and the fan will turn off as soon as the lights are turned off or the stand alone switch is deactivated.

If it's a standard size and if it's a standard depth and if it was mounted to the guidelines, it will be easy to replace. An extractor fan is an essential part of any bathroom as it helps to remove the excess moist and humid air produced by the shower and keep any condensation build up to a minimum.

Discussion in ' Electricians' Talk ' started by betj , Sep 10, Log in or Sign up. Screwfix Community Forum. I have a bathroom with a light and an extractor fan this one going into a single light switch. The extractor fan is wired so that it is always running in trickle mode, but when you hit the light switch it goes into a boost mode as well as turning on the light.

Updated on January 15, Bathroom fans with light fixtures are common these days. If you have this arrangement, you may want to wire the bathroom fan and the light and operate them from the same switch. So how do you wire a bathroom fan to a light switch? Wiring a bathroom fan to a light switch is very straightforward. Here is some helpful information to use when wiring your bathroom fan to a light switch. It is possible to arrange for the bathroom fan and the light to run on the same switch. You may have two switches but only need one switch to run the two. This process is not only possible but easy to achieve.

How to wire an extractor fan to light switch

Home » Bathroom Exhaust Fans. Sometimes you just want the light on a separate switch so you can turn it on without making any sound. The biggest thing to consider is that you may need to route a new wiring cable from the bathroom fan to the wall switch. Keep reading to learn the supplies that you'll need, and our step-by-step guide on how to do the wiring. Probably the most important thing to know about wiring a bath fan and light on separate switches is that you will need to run a new wiring cable from the bathroom fan to the existing switch. But if you want to wire a fan and light to separate switches, you will need two hots running from the bath fan to the wall switch. For most cases, homeowners should call in a licensed electrician to do this job. Your local city or county code will almost certainly require it as well. Electricians have a lot of tricks and methods for geting new wiring cable through a wall or ceiling that the average homeowner may not know.

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I very much appreciate all of your assistance, thank you! Once this has been done your electrician will then issue you with a works certificate to state that all has been done to the required regulations. You could run a small to medium vent fan or get creative with a disassembled floor fan. A shower extractor fan is essential in a room containing a shower in order to prevent condensation. Accept Learn More Try seanmpuckett's idea before you do anything else. Yeah it's pretty handy as when it detects moisture it automatically turns on the boost useful for when the kids forget to turn the fan on manually. Instead, we are going to install a new switch that will turn the fan on and off. Sorry for being dim, but what does that mean exactly? Never do any electrical work without turning off the breaker and making sure the power's off.

This article describes how mains powered extractor fans of the type often found in bathrooms and shower rooms can be wired.

Finally check all terminals and make sure they are tight. Many thanks for all your super helpful advice and apologies for my mistake! Now it's much easier as you only have six wires two cables to think about. Where I live, the exhaust fan and the light have to have separate control switches -- it sounds like you are DIYing but I just wanted to note it since I had the same question when remodeling my main bathroom. This hole is in the right place and when the cladding has been fitted I will drill down from above, but only so that the pilot drill arbour of the hole saw penetrates the cladding- this is so that I can then drill through from the shower side and get the hole in the exact right place. You can either wire it into the bathroom lights so that when they are turned on the fan comes on at the same time or you can wire it to its own switch. This configuration consists of a Switched Live wire and a Neutral wire. Install shower extractor fan. These fans are wired from the existing light in the shower area and go via a three pole switch to the fan itself. If you have created any chases these need to be filled. I was just in the Depot looking at fans yesterday. Although, I may be missing the context here, as I see no prior mention of "neutral" above.