FTN typical drawing (D&D)
DR FTN (D&D) 024
Typical Copper Section on a Non-Fibred Line in an AC Electrified Area
Issue 1
What the drawing shows
Copper-only line (no FTN fibre) under AC electrification: how lineside services are fed and immunised.
Typical drawings are a starting point: the project design, the site survey and the current standards decide what is actually built.