Wiring A Ceiling Mounted Extractor In Utility Room

[foxglove]

Hello

I wish to wire a Ventaxia ceiling mounted extractor fan into my utility room. I want to power it from a spur off a power socket and manually switch the unit on and off at the wall.

Is it correct to place a fused spur off a plug socket and then downstream from the fused spur insert a 3 pole isolation switch, then downstream from this wire direct to the extractor. I would use the isolation switch as a manual on and off. There is a pull cord on the unit but I would prefer not to use this.

I'm not sure whether the fused spur needs to be between the isolation and source socket or after the isolation. I assume I need a fused spur rather to put a fuse inline before the appliance (and that just having an isolation switch is not acceptable).

Also, is it correct to use the isolation switch as a day to day switch.

Thank you for your help

 

[Lurch]

You can use a switched fused spur, this will cover the fusing down and isolation (assuming it is within the appropriate distances etc) and should be before the switch usually.

No need for a fan isolator for daily operation specifically, just a standard 1 gang light switch would be fine if the spur is local to the fan (i.e. in the utility room). If the spur is not in a position that is appropriate for the isolation then you can use a fan isolator as you suggest, or any double pole switch as the daily switch which would double as the isolator.

 

[foxglove]

Thanks for your reply Lurch. Are you saying that I can use the fused spur as a fuse and isolator? I thought that all three cables needed disconnection for an extractor for maintenance therefore the need for a three pole isolator. All the sockets will be in the same room. Thanks again.

 

[Lurch]

Thanks for your reply Lurch. Are you saying that I can use the fused spur as a fuse and isolator? I thought that all three cables needed disconnection for an extractor for maintenance therefore the need for a three pole isolator. All the sockets will be in the same room. Thanks again.

A 3 pole fan isolator is generally for a bathroom fan or one with a run on timer function so you can isolate the permanent live, switched live and neutral. You only have permanent live and neutral, there is no third wire to isolate.

 

[Murdoch]

Why do you think you need a 3 pole isolation switch?

 

[Lurch]

Why do you think you need a 3 pole isolation switch?

Probably because it has a picture of a fan on it and that is what everyone has outside their bathroom nowadays.

 

[foxglove]

Great thanks Lurch you have been a great help. I knew there was something about 3 pole isolation and extractors just only for run on timers and switched live which isn't relevant for me. Cheers

 

[ProDave]

Why do you think you need a 3 pole isolation switch?

So the tenant can turn the noisy fan off, then complain to the landlord about damp and mould in the shower.

One reason I NEVER fit a fan isolator in a rental property.

 

[foxglove]

Good job I have bought a near silent fan then! Not a rental property either.