Wiring an inline fan timer
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Gavski1
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Wiring an inline fan timer

by Gavski1 » Wed Jan 25, 2023 11:14 pm

Heres my wiring for my inline fan with timer - it's on a fused spur with a 3 pole isolator - I use a 3 core from fan to isolator and a 2 core from isolator to fuse. How do I deal with the Switched live between the isolator to the switch terminal? can I get a single core electric cable? - my other solution is to have the fuse before the junction box making the fan and light a fused circut - would that be ok?
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fan wiring.jpg

Mr White
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Re: Wiring an inline fan timer

by Mr White » Wed Jan 25, 2023 11:56 pm

Use a 3 core and earth for all the connections, not twin and earth.

ericmark
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Re: Wiring an inline fan timer

by ericmark » Thu Jan 26, 2023 11:47 am

The wires in most fans are thinner than the wire in even a 1 amp fuse, so a FCU only protects the cable, if supplied from the ring final it is required, but from lighting the whole lighting is normally supplied from a 6 amp supply as ceiling roses only rated at 6 amp, and the MCB/RCBO is faster acting than even a 1 amp fuse, so pointless having a FCU when supplied from lights.

Yes I know it often says protect to 3 amp, but this is really pointless when supplied from lighting. The 3 amp fuse will never blow unless your still using a fuse box, with 5 amp fuses.

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