Comments and picture submitted by Chipmunk:
Quote
This is a piece of new British Standard 2.5mm twin and earth,
with the nice shiny new colour codes, notice however that
they're _still_ undersizing the earth wire, pity, they had to
retool to do the new colours, they could have put in a 2.5mm
earth. I believe the earth to be 1.5mm.

[Linked Image]

Thanks Chipmunk!. [Linked Image]