uhhh... is it me being colo(u)rblind again or are the secondary (LV) cables coded black and white at the termination to the insulators?

Paul: I have been in North America since late 1999, I was originally from Southampton, and I find it interesting that the PoCo installed single o/h cables, Southern Electric spent most of the late 90's replacing its LV o/h network with twisted wiring, one SE engineer told me "the Irish have been using this for years, they told me it faults in a few years and they're going back to single wires"... I don't know the truth or not of this, they seem to use it here in Canada and in the US with no problems... maybe a different insulation?... I know the UK stuff doesn't have the bare neutral/ground, but other than that it looks similar