ScotRail announced the fault at 5.40am on Wednesday saying that the line between Bellgrove and Bathgate was closed.
As a result, the Balloch to Airdrie service was suspended, and shortly after it was announced that services from Helensburgh to Edinburgh would be stopping at Bellgrove.
Trains travelling from Edinburgh to Helensburgh are currently terminating at Bathgate following the fault.
A message from the Editor:
Thank you for reading this article. We're more reliant on your support than ever as the shift in consumer habits brought about by coronavirus impacts our advertisers.
Train services between Helensburgh and Edinburgh have been disrupted this morning following damage to overhead electrical wires.
If you haven't already, please consider supporting our trusted, fact-checked journalism by taking out a digital subscription.