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  • I have an extractor fan that I fitted in the bathroom many years ago.

    It has an isolator, and a switch to turn it on and off.

    Running to the fan itself are two wires, Live and Neutral, in a single cable.

    This is relevant because I have bought a new fan, wired it up, and whilst it emits a faint hum it doesn't actually do anything.

    I've got Live and Neutral (and an unused Earth) running to the fan, the instructions say it needs Live, Neutral and Switched Live.

    I tried using a small jumper to connect the live to the switched live, but nothing happened.

    How do I make the extractor extract?

  • The switched live needs to come from the bathroom light pullcord. It'll turn the fan on when the light is turned on then a timer will run the fan for a few minutes after the light is switched off.

  • The switched live needs to come from the bathroom light pullcord. It'll turn the fan on when the light is turned on then a timer will run the fan for a few minutes after the light is switched off.

    The fan has it's own switch, outside the bathroom, that then passes (via a cable, obvs) through a three pole isolator and into the bathroom.

    I don't really want to link it to the lighting circuit, which at the moment is completely separate.

    I can't see a reason why supplying live to both L and T with neutral to the N won't work?

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