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Topic Title: So many hoops!
Topic Summary: Bathroom fan in loft
Created On: 29 January 2013 04:25 PM
Status: Post and Reply
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 29 January 2013 04:25 PM
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DR2366

Posts: 705
Joined: 09 April 2006

Customer wants a bathroom in line fan in the loft with a separate pull switch on the bathroom ceiling.

The loft lighting supply which is the most convienient place to supply the fan from and the lighting circuits aren't RCD protected. No supplementary bonding within the bathroom location is visible either

It seems its going to be an expensive fan for the sake of a ceiling pull switch outside of the zones to comply with 701.415.2 & 701.411.3.3

Anyone suggest and alternative solution?

Thanks
 29 January 2013 04:50 PM
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BrucieBonus

Posts: 654
Joined: 20 February 2007

why not just RCD the lighting/fan circuit at the board? Either with RCBO or RCD fused connection unit. Not THAT expensive!
 29 January 2013 05:02 PM
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Avatar for OMS.
OMS

Posts: 19469
Joined: 23 March 2004

or a RCD fused spur just for the bit of the circuit you need - ie come from the loft light, fit a 13A RCD fused spur above the bathroom door and supply the fan (and pull switch control from that). For added value you could feed that bit of the bathroom lighting circuit from it as well.

regards

OMS

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Failure is always an option
 29 January 2013 05:09 PM
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AJJewsbury

Posts: 11295
Joined: 13 August 2003

Anyone suggest and alternative solution?

Mount pull switch in the loft, drill a small hole in the ceiling and just drop the string through into the bathroom?

(well, you did ask for "alternative" solutions )
- Andy.
 29 January 2013 08:36 PM
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mark2spark

Posts: 1444
Joined: 15 November 2006

I'm just reading the new AD 2013... it seems that the pull switch will now be deemed outside of the special location (and zone)?

http://www.planningportal.gov..../BR_PDF_AD_P_2013.pdf

So non-notifiable I mean. It doesn't solve the RCD problem. I'd fit an RCD FCU on the circuit.

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I am prone to talking complete bol***ks at times, please accept my apologies in advance.
 29 January 2013 08:42 PM
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DR2366

Posts: 705
Joined: 09 April 2006

The issue isn't how to comply with the regulations but that the fact that they are applicable for the sake of a ceiling pull cord in a location containing a bath/shower.

If the pull cord switch is outside of the bathroom and the wiring in the loft is surface then there is no need to bond or provide an RCD I assume?

Thats a cheaper solution!
 29 January 2013 08:46 PM
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daveparry1

Posts: 6106
Joined: 04 July 2007

I done a similar job last week, not a pull switch but a bathroom fan with timer from bathroom light. No rcd on lighting side of board so I put a fused spur next to the c/unit fed from a socket circuit mcb and fed fan and bathroom light from that, so that was fused spur for the fan and rcd for fan and light! It was in a bungalow so quite an easy job,

Dave.
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