is rcd protection reqiured?

[ample current]

I have installed a pull cord hunidistat fan in a bathroom. The property has no rcd protection, do I now need to install an rcbo?
In the same house I have installed a similar fan in the kitchen powered from an existing unused sfcu do I also need to add an rcd to this circuit?

Thanks in advance

 

[Deleted member 26818]

Because the first fan is in a bathroom (as long as it's not a replacement for an existing fan), then the circuit supplying the fan will require RCD protection.
With the second fan, there is no requirement for RCD protection, as it's not in a location containing a bath or shower.
However any cabeling installed to supply the fan if concealed in walls may require RCD protection.

 

[soulman]

As above +1,
Is this a TN or TT installation? Someone mentions m.p.b. this should have already been checked prior to works commencing, if this not present then the work should not be done until it is installed. Bonding conductors 6mm would be o.k for minor works & sometimes o.k for major work depending on earthing system and evidence of thermal damage.

 

[kingeri]

BS7671 (2008) Ammendmet 2.. :ihih:

So Amendment 2 requires RCDs to be always used, does it? I must have misread it then, because I thought it just increased the number of situations where you need to provide RCD protection. Silly me.

 

[Deleted member 26818]

Amendment 2 may require RCDs to be always used, but as it has not yet been finalised, no one can know for sure one way or the other.
It's unlikely though.
It has been proposed that all low voltage final circuits for use by ordinary persons should be provided with 30mA RCD protection.
Not quite a requirement that RCDs be always used.

 

[ed-ectrician]

But if you install like-for-like for e.g a mains voltage light fitting does that need RCD protection or is it just new circuits/cables?

 

[markc123]

But if you install like-for-like for e.g a mains voltage light fitting does that need RCD protection or is it just new circuits/cables?

If you're replacing a like for like light fitting, and you include fitting an RCD in with the price....you'll never get the job!!!

 

[Deleted member 26818]

But if you install like-for-like for e.g a mains voltage light fitting does that need RCD protection or is it just new circuits/cables?

Is there a requirement in BS7671 for a light fitting to be provided with RCD protection?

 

[ed-ectrician]

Ok i was pretty sure it was just for the 3 stipulations - sockets, outdoors and less than 50mm but just double checking!!

 

[Geoffsd]

When did amendment 2 come out?

 

[Deleted member 26818]

Ok i was pretty sure it was just for the 3 stipulations - sockets, outdoors and less than 50mm but just double checking!!

Don't forget circuits in some special locations.

- - - Updated - - -

When did amendment 2 come out?

Due in 2018 (at present).

 

[yellowvanman]

Is there a requirement in BS7671 for a light fitting to be provided with RCD protection?

Only if manufacturer instructions say so! :smiley2::smiley2:

 

[Deleted member 26818]

Only if manufacturer instructions say so! :smiley2::smiley2:

Not really a requirement of BS7671 then.
There's also the fact that BS7671 only requires that maufacturer's instructions be taken into account, not a requirement that they must be adhered to.

 

[Geoffsd]

Not really a requirement of BS7671 then.
There's also the fact that BS7671 only requires that maufacturer's instructions be taken into account, not a requirement that they must be adhered to.

One of them says that but 134.1.1 is pretty unambiguous.

 

[MDJ]

ooh this is all very confusing, I thought additional protection by RCD or RCDs had to be provided for all low voltage circuits in this location (bathroom) bear with me though I know I'm a little out of whack with every reg, I got it wrong with single isolation a day or 2 back and have only just taken the bag off the head, shall I put it back on????????????

 

[Octopus]

Tin hat on.

Regs or not RCD protection in bathrooms for all circuits is good practice IMHO