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.
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.
A power line snapped in the strong wind, and the whole area lost electricity.
There is a risk of electric shock if you touch a power line.
Work began to string power lines to every house in the village.
I had someone fix the tangled wires on the roof.
feeder (electric power line)
undersea cable; submarine cable