When you try to manually connect the poles with wires, something goes wrong:
Error while running event GetWiresBack::on_nth_tick(10)
Invalid plan. Inventory positions for {copper-wire, normal} is empty.
stack traceback:
[C]: in function 'newindex'
__GetWiresBack/control.lua:163: in function 'remove_wire_request'
GetWiresBack/control.lua:196: in function <GetWiresBack/control.lua:179>