OK, no wires in place yet but this is how the ‘ghost’ poles look at the board joints to allow the boards to be disassembled.
Next job is to make some insulators on wire brackets to attach to a couple of buildings - and yes, the intention is for them to be removable.
Wired up the telegraph poles on the first board this afternoon. This stuff is not easy to work with but very effective once you get it where you want it.