Conductor identification

[Gtfast]

Hi all.

The regs state that for multi core cables one can apply insulation tape wound more than once on the ends of the conductor for identification purposes.
Can one use a black conductor as a live and indicate this by placing red insulation tape on the ends .Can this be done with any colour in the multi core cable .
Trying to get it right.
Thanks


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[AndyD]

If it's in a control panel or internal wiring of a machine then yes. If it's in a DB then I'm not sure. There was a discussion about wiring colours in this thread although I doubt it will clarify an answer for you.

[Gtfast]

Thanks Andy.
I was wondering if using twin and earth( red black and earth ).
In a lighting circuit at the switch box using red supply into the switch and the black with red insulation tape on the ends from the switch to lamps.

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[Gtfast]

The circuit having the twin and earth in 20mm conduit .

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[GCE]

I would say yes - The definition of multi core cable is a cable that contains at least 2 cores ( 3.8.5 pg 34)
Personally prefer heat shrink as a marker

[Gtfast]

Thanks GCE
With you on that one.

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