514.4.2Whats the reg number that says you cant use the green/yellow of a 3core flex as a switched live if oversleeved brown?
514.4.2
514.4.2
Which refers to not sleeving green/yellow single core cables for any other purpose.
This was pointed out to me in the office when I tried to pull up a 3core flex to a photocell with the green/yellow mis-used as being incorrect. Apparently the reg has had a slight re-wording to suit harmonisation with europe.
I simply stated that may well be the case, but it doesn't comply with the final paragraph of 411.3.1.1 and was still wrong
Well, IMO that does seem to be a particularly daft thing for 'them' to say - regardless of the rest of the debate about the interpretation of the wiring regs, one thing which is clear is that BS7671 certainly doesn't single out 'heating controls' as being different from any other application.To answer Adam before I retreat back to the heating forum. ... They did say that heating controls is the only instance that you can oversleeve the green and yellow.
The earthing conductor should not be over sleeved to indicate it as any other conductor than what it is, identification of the ends is all well and good but if someone where to break into the cable along its length for whatever reason, then the cpc would for all intensive purposes at that point would be the earth and connections would be incorrect and possibly dangerous. All conductors should be identified as BS7671 chapter 51
They did say that heating controls is the only instance that you can oversleeve the green and yellow.
No idea, unless its something to do with using a multitude of different colours.
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