How to wire a ceiling rose?

Question

I have bought a new ceiling rose for a light. The wires in it are UK pre-2004. There's one black, two red, one yellow, one blue, and two green and yellow earth. Where do all these go on the ceiling rose?

score 3 · Accepted Answer · edited Apr 13 '17 at 12:22

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Often, electricians used ordinary black/red/green twin&earth for C but marked the black wire with red tape (to indicate "switched live")

You seem to have something nonstandard, perhaps a spur (therefore missing B) without an earth to the switch? You'll have to use appropriate methods to determine what is what.

See answer to similar old question https://diy.stackexchange.com/a/32251/2815

edited Apr 13 '17 at 12:22

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answered Apr 14 '14 at 14:02

RedGrittyBrick

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How to wire a ceiling rose?

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