Light wiring issue

[EFLImpudence]

It would be useful for identification.

Do you have all brown 3c+E for two-way strappers?

 

[winston1]

It would be useful for identification.

Do you have all brown 3c+E for two-way strappers?

Indeed, and it is done in France, orange for the first one and mauve for the second one in trappers. Really requires singles in conduit however.

 

[JohnW2]

Do you have all brown 3c+E for two-way strappers?

Indeed, and ...

It must be a pain working out which conductor to connect to what.

I'm a little surprised that BS7671 does not include requirements for functional identification of conductors in this sort of situation. To merely require that it be identified as a conductor which is, or may sometimes be, connected to phase/line/'live' is not really enough. I have to say that on the rare occasions I've come across red/red cables (I've never met a brown/brown one), I have, for my own purposes, over-sleeved the S/L with red sleeving, so as to be consistent with my convention with red/black switch feeds.

Kind Regards, John

 

[Risteard]

It would be useful for identification.

Do you have all brown 3c+E for two-way strappers?

It isn't useful for identification to have a phase conductor in any colour other than that appropriate for a phase conductor.

And no, there isn't 3-core brown. Two-way switching does not require 3-core cable.

 

[JohnW2]

And no, there isn't 3-core brown. Two-way switching does not require 3-core cable.

It does if you want to avoid EMC.

Kind Regards, John

 

[ban-all-sheds]

It isn't useful for identification to have a phase conductor in any colour other than that appropriate for a phase conductor.

Of course it is.

How can it not be?

 

[stillp]

And no, there isn't 3-core brown. Two-way switching does not require 3-core cable.

It does if you want to avoid EMC.

Kind Regards, John

Why would you want to avoid Electro-Magnetic Compatibility?

 

[JohnW2]

It does if you want to avoid EMC.

Why would you want to avoid Electro-Magnetic Compatibility?

Whoops - slip of the brain/typing fingers For "EMC", please read "EMC problems"

Kind Regards, John

 

[Robin0577]

The (admittedly small amount of) twin brown and earth I've seen DID have it's conductors identified, by means of having one core insulated in solid brown PVC all the way to the core and the other with 2 thin layers of PVC bonded together, brown over white. I think it was Prysmian brand.

 

[securespark]

I have to say that on the rare occasions I've come across red/red cables (I've never met a brown/brown one), I have, for my own purposes, over-sleeved the S/L with red sleeving, so as to be consistent with my convention with red/black switch feeds.

I have installed both twin red and twin brown which was identified by one core being that colour all the way through the insulation and the other white inside.

EDIT: Ooops. Must desist from posting without reading the whole thread.

 

[JohnW2]

I have to say that on the rare occasions I've come across red/red cables (I've never met a brown/brown one), I have, for my own purposes, over-sleeved the S/L with red sleeving, so as to be consistent with my convention with red/black switch feeds.

I have installed both twin red and twin brown which was identified by one core being that colour all the way through the insulation and the other white inside.

Interestring - that's two of you who have said that now. All I can say is that if the few twin reds I encountered (a long time ago) had white under one of the reds, I didn't notice it - hence my over-sleeving red with red! As I said, I've never dealt with twin brown, so can't speak for that!

Kind Regards, John

 

[Risteard]

It isn't useful for identification to have a phase conductor in any colour other than that appropriate for a phase conductor.

Of course it is.

How can it not be?

Because the only relevant point is that it is a phase conductor (line conductor in new money) of a single phase circuit. It is not correct to identify it in any other way. Nor have you explained any benefit in doing so.

The use of red and black, or brown and blue sleeved here would frankly be considered very rough. And in a neighbouring county it is prohibited.

 

[ban-all-sheds]

Because the only relevant point is that it is a phase conductor (line conductor in new money) of a single phase circuit.

No - the other relevant point is that it has a specific function which is worth identifying.

It is not correct to identify it in any other way.

Functional identification is not incorrect.

Nor have you explained any benefit in doing so.

To assist in identifying its function.

The use of red and black, or brown and blue sleeved here would frankly be considered very rough.

We only have your word for that.

And, frankly, your word is worth very little, so often have you demonstrated that your grasp on reality is so poor that you don't even know which country you live in.

And in a neighbouring county it is prohibited.

And the relevance of what is, or is not, allowed in foreign countries is what, exactly?

 

[JohnW2]

Because the only relevant point is that it is a phase conductor (line conductor in new money) of a single phase circuit. It is not correct to identify it in any other way. Nor have you explained any benefit in doing so.

As I recently wrote:

I'm a little surprised that BS7671 does not include requirements for functional identification of conductors in this sort of situation. To merely require that it be identified as a conductor which is, or may sometimes be, connected to phase/line/'live' is not really enough.

Kind Regards, John

 

[Risteard]

What safety benefit is there in knowing whether a phase conductor is a permanent phase or a switched phase?