Bathroom extractor fan confusion

Discussion in 'Electrics UK' started by giveitago101, 24 Feb 2021.

  1. giveitago101

    giveitago101

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    Hi all,

    My house is only 4 years old but I want to replace the existing en suite extractor fan. Currently it is a simple on off fan controlled by its own switch. However it does not have an isolation switch above the door like the main bathroom does (no idea why).

    I want to replace it with a fan with a timer, which I know will involve replacing the wiring with 3 core and earth, I presume it is only twin and earth at the moment, and also add in an isolation switch.

    The fan is probably in zone 2, maybe zone 3, around a corner from the actual shower where no water can splash onto it, in the ceiling and not over a sink etc.

    Question is, is this work notifiable? Any chance there cables are already 3 core and earth and the original installers were just lazy and didnt put in an isolation switch? Why didn't they add in an isolation switch for the en suite but did for main bathroom?
     
    Last edited: 24 Feb 2021
  2. Bargain Bucket

    Bargain Bucket

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    Why not fit a fan with a motion sensor and timer? You won't need to change the cabling then - just leave the pull switch permanently in the ON position.
     
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  4. giveitago101

    giveitago101

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    That did cross my mind, but I would still prefer to install an isolation switch to be extra safe and make it consistent with the other bathroom / utility room extractor fans.
     
  5. giveitago101

    giveitago101

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    As Bargain Bucket suggested, I am just going to fit a fan with a motion sensor and timer to save the trouble. But an isolator switch is definitely not required? The fan already has its own independent switch next to the light swtich.
     
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  7. giveitago101

    giveitago101

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    An update on this for whoever may be looking in the future in a similar position as me. I contacted the house builder and they sent an electrician out to install an isolation switch, I think it was just missed as the wiring was already there behind the plasterboard ready for the switch!
     
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