Switched neutrals

[PIP IOM]

Now here's a tricky one. Put our house on the market (no hips etc over here, estate agents don't know what cert to ask for PIR/EIC or wiring OK written on the back of a fag packet etc) We've lived here for 5 years, I've done bits (changed fittings) but not a great deal.

Anyway, down to the crux of it:- I did a pseudo PIR and found that the kitchen 2way lighting is actually switching neutrals, don't know why but i immediately invesigated and marked up the relevant cores at the appropriate halogen downlighter.

NIGHTMARE TO PUT RIGHT all decorated, floorong etc etc

Advice please

 

[Manator]

I would try to put this right the safety consequences are huge

 

[Evans Electric]

Well you can't switch neutrals so you need to access the relevant light fitting ,J/B or whatever . From here I can do no more.

 

[Badger]

if its wired as 3 plate ie switch wire being twin and earth from switch direct to light point, the switch is obvously wired through the neutral, so take the switch wire and wire it through the live and live side of lamp instead of the neutral side of the supply and lamp

 

[Badger]

 

[Riggy]

I would try to put this right the safety consequences are huge

Why are the safety consequences huge?

 

[sellers]

customer switches lights off at switch to fit lamp or worse, and the fitting is still live.

 

[Manator]

Why are the safety consequences huge?

I can think of many.I will however allow other to reply.

 

[daveygh]

Anyway, down to the crux of it:- I did a pseudo PIR and found that the kitchen 2way lighting is actually switching neutrals, don't know why but i immediately invesigated and marked up the relevant cores at the appropriate halogen downlighter.

 

[PIP IOM]

It's not 3 plated, jb's spidered everywhere, live/sw to 1st sw then a 3 core+e to 2nd switch. I guess I knew the answer really but floors up will be a nightmare. Thought I might be able to put notice in switch/CU and light but i guess i was kidding myself. Cheers for replies.

 

[Riggy]

It's not 3 plated, jb's spidered everywhere, live/sw to 1st sw then a 3 core+e to 2nd switch. I guess I knew the answer really but floors up will be a nightmare. Thought I might be able to put notice in switch/CU and light but i guess i was kidding myself. Cheers for replies.

That doesn't sound like switched neutral to me

 

[a12jpm]

Before ripping everything apart are you sure the blue switch drop is just not missing a bit of brown sleeving?

 

[PIP IOM]

no it's defo a neutral and jb's appear to be under en-suite bathroom, 2 way was added after initial install because it's br/bl/gry. It's bite bullet time i fear or do a PIR on 70% of house in agreement with customer (me) conveniently omitting the kitchen lts.

ONLY JOKING just thought i'd get the sat am juices flowing

 

[Andy™]

how did you test to find out its switched neutral?

 

[PIP IOM]

long lead from CU and voltmeter

 

[Badger]

but youconnected the volt meter long lead from the c/u on the neutral to the switch???

 

[Andy™]

long lead from CU and voltmeter

lead from CU? a voltmeter between conductor and the earth in the same box will tell you if its live or neutral

and polarity is usually done via continuity meter with supply dead

 

[Riggy]

I can think of many.I will however allow other to reply.

The other has not replied on your behalf, perhaps you could?

 

[Riggy]

It's not 3 plated, jb's spidered everywhere, live/sw to 1st sw then a 3 core+e to 2nd switch. I guess I knew the answer really but floors up will be a nightmare. Thought I might be able to put notice in switch/CU and light but i guess i was kidding myself. Cheers for replies.

I'll repeat my earlier post with the relevant part of the quote highlighted:

This doesn't sound like switched neutral to me.

 

[Andy™]

I'll repeat my earlier post with the relevant part of the quote highlighted:This doesn't sound like switched neutral to me.

doesnt sound like switched neutral to me either. which is why im trying to find out how he tested to find its a neutral