LED bathroom mirror

[pertinky]

Struggling to find concrete information on what wiring is needed for this...

Circuit is RCD protected, mirror would be in zone 2 (next to shower enclosure) so it will have to be IP44 rated. It will have a shaver socket.

Can I run some 3 core and earth from the lighting junction box to position on the wall?

I dont really want it coming on with the lights so I'll be looking for one with a switch.

Would i just leave the 3 core sticking out of the wall until I'm ready to fit the mirror? Most likely I will not wire at the junction box so its safe

 

[EFLImpudence]

Circuit is RCD protected, mirror would be in zone 2 (next to shower enclosure) so it will have to be IP44 rated.

IPX4 actually (the X meaning that part doesn't matter).
Next to shower enclosure may not count as zone 2.
The 600mm. measurement is taken from the edge of the enclosure like this -

It took me ages to find that diagram; they are nearly all wrong.

Are you counting the area around a basin as zone 2 as some people mistakenly report?
Basins do not create any zones; they don't count.

It will have a shaver socket.

Socket must be to BS 61558-2-5 if in zone 2.

Can I run some 3 core and earth from the lighting junction box to position on the wall?

Yes - or 4 core flex

I dont really want it coming on with the lights so I'll be looking for one with a switch.

Ok. Switches are not allowed in zone 2 unless 12V with the power supply being outside of zone 2.

Would i just leave the 3 core sticking out of the wall until I'm ready to fit the mirror? Most likely I will not wire at the junction box so its safe

If you don't connect it, then, yes, it won't matter, will it?

 

[pertinky]

@EFLImpudence

Next to shower enclosure may not count as zone 2.

Its not 600mm from the side panel shower enclosure; its a 1200x800 tray so its at least 1200mm from the actual shower head on the adjacent wall but I doubt that makes a difference to the zoning rules. The recess between the side panel and doorway is approx 900mm so assuming a 500mm mirror you're looking 200mm from side panel

Are you counting the area around a basin as zone 2 as some people mistakenly report?

I was working on the seemingly wrong assumption that zone 2 is 600m above basin, but to be honest the shower is more important at this point

Ok. Switches are not allowed in zone 2 unless 12V with the power supply being outside of zone 2.

Ok, I might have to conceed on that one! By switch I mean the ones that are built in to the actual casing by the way. Not sure if that makes a difference

 

[EFLImpudence]

Its not 600mm from the side panel shower enclosure;

Ok. but that may not be the relevant figure.

its a 1200x800 tray so its at least 1200mm from the actual shower head on the adjacent wall but I doubt that makes a difference to the zoning rules.

No.

The recess between the side panel and doorway is approx 900mm so assuming a 500mm mirror you're looking 200mm from side panel

Yes, but how far is it from the the corner of the shower exit? See diagram.

I was working on the seemingly wrong assumption that zone 2 is 600m above basin, but to be honest the shower is more important at this point

Of course the shower is more important; the basin is irrelevant.

Ok, I might have to conceed on that one! By switch I mean the ones that are built in to the actual casing by the way. Not sure if that makes a difference

Yes, I realised what it was.
The regulations just say 240V switches are not allowed in zone 2 - but will it be in zone 2?

Will it not be like this where you have nothing to worry about?

Edited - drawn more to scale.

 

[pertinky]

Yes, but how far is it from the the corner of the shower exit? See diagram.

Read more: https://www.diynot.com/diy/threads/led-bathroom-mirror.503095/#ixzz5GLzT5NwJ

Ah I see. I really didnt understand the original diagram - that one is much clearer. Its almost exactly as it will be, just the shower and basin are back to front. Sounds like outside of Zone 2 and no problems!

Cheers for explaining it

 

[JohnW2]

Socket must be to BS 61558-2-5 if in zone 2.

Just noticed that comment ...

... for clarity/completeness, I would add that a shaver socket would have to be to BS EN 61558-2-5 even if it were outside of Zone 2, unless it was more than 3 metres from the boundary of Zone 1 (i.e. edge of bath/shower).

Kind Regards, John