Bathroom Extractor fan.

Chelski123 · 31 Mar 2011

Need some advice. I am taking an electric shower out of my bathroom as we have had a combi boiler fitted and i will be running a new shower from that. The question is can i run a extractor fan off the old electric shower wiring. I know that this wiring runs from the consumer board with a 45 amp fuse (which would not be safe for the fan) to a pull switch in the bathromm. Is there a way to down grade this to make it safe to run the fan from and is it a job i could do. Thanks for any help.

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5parks · 31 Mar 2011

Your best bet is to get an electrician in to wire one in properly for you off the lighting circuit. This way you can have a fan with an over run on it. You would struggle to fit a 6mm/10mm cable in the fan connections any way. Get it done properly is the answer

Chelski123 · 31 Mar 2011

Thanks for the reply 5parks. I dont want to run a fan off the light as i only want it to run when using the shower or bath. Thats why i was hoping to use the old shower pull switch.

5parks · 31 Mar 2011

You could get an electrician to replace your 40a fuse with a 6a and then run a 1mm t&e from the load side of your pull cord to the fan. Not ideal and I wouldnt do it but then this is a diy forum and that would be a typical diy solution.

5parks · 31 Mar 2011

5parks";p="1947217 said:
You could get an electrician to replace your 40a fuse with a 6a

You should not be doing anything in the fuse board.

iamlee2002 · 31 Mar 2011

i have done something similar in mine, where old electric shower wiring was put in a fused switch with 3 amp fuse, run wiring from that then to fan. Mine is only used when having a shower / bath. I dont see point of using it inline with lighting, good luck

EFLImpudence · 31 Mar 2011

iamlee2002 said:
i have done something similar in mine, where old electric shower wiring was put in a fused switch with 3 amp fuse, run wiring from that then to fan.

Did you have to go into the loft where all the lighting cables are?

I dont see point of using it inline with lighting

Because it's run FROM the lights doesn't mean it has to come on WITH the light.

iamlee2002 · 31 Mar 2011

No didnt have to go into loft my bathroom was v old fashion lol wire was in cupboard where boiler is so thats where ive put my fused socket. Used old shower wiring not to waste the rcd on c/u. Was cheapest solution

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Bathroom Extractor fan.

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