transmission line

American  

noun

Electricity.

1. a system of conductors, as coaxial cable, a wave guide, or a pair of parallel wires, used to transmit signals.

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transmission line British  

noun

1. Sometimes shortened to: line.  a coaxial cable, waveguide, or other system of conductors that transfers electrical signals from one location to another

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Etymology

Origin of transmission line

First recorded in 1905–10

Example Sentences

See Examples For:

transmission line

Edison kept the idle transmission line in place despite not using it for 50 years.

From Los Angeles Times ● Jul. 21, 2026

Crucially, the project also includes a 550-mile high-voltage direct-current transmission line that delivers wind power from New Mexico to the Palo Verde substation in Arizona, where it then feeds into Southern California.

From Los Angeles Times ● Jun. 18, 2026

Pizarro has said that a leading theory of the fire’s cause is that a century-old transmission line in Eaton Canyon, which had not carried power for 50 years, somehow re-energized and sparked the fire.

From Los Angeles Times ● Feb. 18, 2026

In 2019, investigators traced the Kincade fire in Sonoma County, which destroyed 374 homes and other structures, to a transmission line owned by Pacific Gas & Electric that was no longer in service.

From Los Angeles Times ● Feb. 18, 2026

It would be a very unsatisfactory transmission line, with a flat-compounded dynamo.

From Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine by Anderson, Frederick Irving