架線

1. Origins, structure, and basic meaning

• Structure: 架線, read かせん, means an overhead wire or wiring installed above a route such as railway tracks.
• Basic usage: It is inspected at height and can be reproduced in detail above the rails of a model railway.

2. Common pitfalls and similar expressions

• Wires installed above railway tracks
  • This refers to overhead wires inspected at height or reproduced above tracks in a railway model. It is distinct from the track itself or an underground cable.