High folks,
this looks like a good forum, just joined, hope to be able to contribute in the future.
you appear to have had some cracking topics going. I have my own opinions on this colour change.
Why not make all conductors black force everybody into doing some sort of testing like R1+R2 or is that to radical. Most of the rubbish spoken aboutthis topic is all DIY related. No self respecting spark gives a dam what colour the cables are to start with, he tests and sleeves the cores accordingly. Over the years I have come across alsorts of colours being used on the same circuit especially in industry where machines have been moved and someone has extended the circuit with whatever he/she (politicaly correct) can lay their hands on.