[rhyds]

I've just been to properly inspect the fibre works in Bala (next town along the road from mine) and to see these markings (in the attached pics)

Now there isn't a cabinet anywhere nearby that I know of, and from what I gather the exchange building is a fair way further on down the high street.

If my guessing is correct, then there'll be a new duct from the grey concrete covers, under the road, to where the new cab will be installed.

I could be wrong of course...