noun
electric wire; power cable
General term for wires or cables that carry electricity, including power lines and electrical wiring.
台風で電線が切れた。
The power lines were cut by the typhoon.
電線に触らないでください。
Please do not touch the electric wires.
noun
telephone line; telegraph wire
Specifically for communication lines; often seen in contexts of old telephone or telegraph infrastructure.
昔は電線で電報を送っていた。
In the past, telegrams were sent over telegraph wires.