Can you replace a switch with a timer?

Timer light switches are designed to replace conventional light switches—you just remove the standard switch and install the timer switch in the same electrical box. In this article, we discuss timers generally used for indoor applications. For information on outdoor varieties, see Energy-Efficient Outdoor Lighting.

Can you put a bathroom fan on a timer?






Quote from Youtube video: Got. It's just one button so you tap on tap off but it's got little rockers on the bottom. So you can adjust up or adjust down if you want to adjust the different. Times.

How do I convert a switch to a timer?

How to Install a Programmable Timer Switch

  1. Programmable timer used to control a porch light.
  2. Turn off power at circuit breaker.
  3. Unscrew existing switch.
  4. Attach wires to timer switch.
  5. Insert timer switch into box.
  6. Attach cover plate to timer switch.


How do you wire a fan with a timer?

Quote from the video:
Quote from Youtube video: And back down to the extractor fan when it gets the extractor fan if you've got one with the timer you should have a terminal inside which will be labeled T.

How do you install a mechanical timer switch?





Quote from the video:
Quote from Youtube video: And pull the knockout until it breaks free turn off power to the switch. Location at the circuit breaker or fuse box before installation.

How do you wire a bathroom timer switch?

Quote from the video:
Quote from Youtube video: Okay let's just remove the old fan. So this is the lowered wire here that's coming from the fan. So I'm just gonna stick that over here or point it up to the fan. Rather.

How do you separate a bathroom fan and light switch?

Quote from the video:
Quote from Youtube video: We have a white neutral wire coming in from the switch. So this is a wiggle lever nut. And they're very easy to work with you just flip up the three levers. And pull it right off.

How do you wire a bathroom fan to an existing light switch?

How to Wire a Bathroom Fan to an Existing Light

  1. Shut Off the Power. …
  2. Remove the Light. …
  3. Remove the Wire Connectors. …
  4. Run a Cable to the Housing Box. …
  5. Wire the Cable to the Fan. …
  6. Use a Wire Stripper to Remove the Cable’s Outer Sheath. …
  7. Attach the Black, White and Neutral Wires. …
  8. Restore the Power.



Do I need an isolator switch for bathroom fan?

You only need an isolator for the fan, if you want to be able to isolate the fan. There’s no law or Regulation stating you must have an isolator. In fact, unless you are wired directly to the incoming supply you have an isolator, the main switch or an MCB/fuse in you Consumer Unit.

How does a bathroom fan timer work?

Fan timers operate the extractor fan in increments based on how long you have been in the room. If you take a long shower there will be more steam…the timer keeps the fan on for longer. Take a quick 5 minute shower and the timer remains on for a shorter period.

How do you replace a bathroom extractor fan timer?



This time delay can be increased by firstly switching off the power to the fan. Remove front cover and the timer cover as detailed. Insert a small screwdriver into the slot marked . Turn clockwise to reduce the time and anti-clockwise to increase the time.

What humidity should my bathroom fan be set at?

The recommended setting for a humidity-controlled bathroom fan should be approximately 60%. Setting your humidity sensing bathroom fan at the right humidity is important because the device operates within the set limits.

Why does my extractor fan stay on?

And if you’ve bought a humidistat-based fan, the fan will detect how much humidity there is in the air. It will stay on for a period of time to decrease the amount of humidity in the room. An extractor fan that’s started by a light switch typically stays on for a few minutes once the light goes out.

Why has my bathroom extractor fan stopped working?

If your extractor fan is not working, it’s usually due to dust buildup, a problem with the wiring or the motor might need replacing. You should hire a certified electrician for any repair work on a bathroom extractor fan.

Do electricians install bathroom exhaust fans?



In short, bathroom exhaust fans are installed by general contractors, electricians, heating and air conditioning contractors and handymen. The installation process can range from relatively straightforward to quite complex.

Do bathroom fans have a reset button?

If you don’t have power to your fan, it may also be on a GFCI circuit. GFCI stands for ground-fault circuit interruptor, and this is an outlet with two buttons on it — a reset and test button. These are the outlets that are installed in kitchens and bathrooms to protect the home occupants from getting shocked.

Is there a fuse in a bathroom extractor fan?

The box you are describing does not contain a fuse. It’s called a fan isolator. These are put in so that the fan can be switched off without having to turn the entire lighting circuit off. Inside there is a permanent live, used for the timer function, a switched live connected to the light and a neutral.

How long do bathroom fans last?

about ten years



Routine cleaning will help extend the life of your exhaust fans, but they won’t last forever. The average life of a bathroom exhaust fan is about ten years, and kitchen hood fans tend to hang in there a little longer at around 15 years.

What size of fuse do I need for bathroom fan?

3-amp fuse

Most manufacturers state in their literature that the fan must be protected by a 3-amp fuse.