telephone wire
telephone line
telegraph wire
telegraph line

Her daughter was talking about a telegraph line last night.

If the telegraph lines were down, then no one would even know what had happened here.

The town was connected to the outside world by a telegraph line in March 1883.

It was 7:52; the next second, the telegraph line went dead.

A post office and telegraph line were operating by 1881.

A storm hit the city on March 12, and most telegraph lines were down.

The site was connected to the lake by a telegraph line.

A telegraph line was built over the summit in 1864.

The telegraph line and one pole are seen in the right middle ground.

A telegraph line ran along the same route as well, giving rise to its name.