For clarity I intend to connect these or other wires to a fan isolator switch on the other side of a stud wall. Clearly marked with a fan symbol and "Isolator", this 10A, 3 pole pullcord fan isolator switch is supplied with fixing screws and covers and benefits from clear terminal markings.

Okay, at the upstairs fan there are two twin core and earth cables, one is using the live (brown) and neutral (blue) in the correct connections, the other using the live (brown) in the switched live connection. Any wires I have not mentioned are snipped flush with the grey outer sleeving. At the pull cord there are four cables, only the live (brown) wire is being used in the switched live connection, the other wires on that cable are snipped flush with the grey outer sheething. I believe the electrician used two twin core and earth cables instead of one three core and earth cable to wire the fan to the pull cord. If I wish to isolate the fan, am I correct in saying I will have to disconnect the cable from the fan to spot 1 and and run a new twin core and earth (switched live/neutral) from the fan towards the pull switch (actually isolator) or should I just disconnect both (green) cables and run 3 core and earth instead?

My sister has just had her bathroom gutted and refitted by a local firm, generally a really nice job but just a couple of minor niggles to sort out My sister asked the firm if they could fit a switch isolator but was told "no switches in bathroom" Then permutations take place some people do not like the fan on every time they enter the bathroom as at night they can disturbe people and want an isolation switch

I know that they could have fitted a light switch outside the bathroom to get rid of one pull cord but surely would have been neater to fit a regular isolator switch either in bathroom (outside of zones) or just outside bathroom door The only other terminals are com and what appears to be a symbol with a number of horizontal deminishing lines with one vartical line above, or otherwise, depending on how you look at it? And this switch will be a double pole and the other side will isolate the fan when the switch for light is operated by breaking the feed from light to fan,this giveing full isolation An extractor fan was fitted as part of the job and the electrician has fitted a pull cord fan isolator switch in the bathroom. This means that there is 3 pull cord switches hanging from the ceiling which looks really messy - fan isolator / shower isolator / lights

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The cable running from the fan to spot 1, spot 2 and finally towards the pull switch is using a single brown wire for the switched live and a single blue wire for the neutral. Two other cables are also looped between the spots.

I may take the issue up with the bathroom firm on behalf of my sister, just wanted to make sure that I have the correct facts

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The cable running up the left from the fan and along the top towards the pull switch is using a single (brown) wire for the live. Not able to clarify if It's running directly between the two, but presume (1 wire) they are? So just to clarify for me please, a switched 3 pole isolator can be fitted in the bathroom, provided that it is out of zones 1 & 2 First of all is it a run on fan that has been installed if it was then the sparky should have fitted an isolater for isolating live feed to fan run on facility out of zone areas This issue has been discussed loads on this forum, I see Seneca's post above regarding this but would bet that more often than not, a 3A fused spur is not used As described above, I connected the fan through the fan isolator switch to the pull cord with 1mm three core and earth cable.

Walls were dot, dabbed and plaster boarded before tiling so even chasing out walls for cables was not neededHowever the existing pull cord I have does not have an insert or screw at L2 to secure wires with? I'm not sure if they were there before I started, or not?