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3+E colours information
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<blockquote data-quote="Mr Sworld" data-source="post: 8384" data-attributes="member: 184"><p>With 3-phase now that black is blue and blue is black we will either sleeve all new colour wiring with the old colour at the mixed termination.</p><p></p><p>Or, and this is my favourite, make both the old and new cables with L1, L2, L3, and N. Far better and no confusion.</p><p></p><p>However I would sleeve old black cable with blue because that's what householders associate with neutral. They have been used to blue for flex and black for fixed wiring for a few years now.</p><p></p><p>The confusion about black and blue swapping use on 3 phase won't concern them.</p></blockquote><p></p>
[QUOTE="Mr Sworld, post: 8384, member: 184"] With 3-phase now that black is blue and blue is black we will either sleeve all new colour wiring with the old colour at the mixed termination. Or, and this is my favourite, make both the old and new cables with L1, L2, L3, and N. Far better and no confusion. However I would sleeve old black cable with blue because that's what householders associate with neutral. They have been used to blue for flex and black for fixed wiring for a few years now. The confusion about black and blue swapping use on 3 phase won't concern them. [/QUOTE]
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