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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?

  • Pull a 3 core cable through with the existing 2 core & wire it with a switched live?

    I think I'd have to chase a new cable in. Also, I can't see how that'd help if the fan won't work with the L jumpered to the T. But I know very little about this stuff.

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