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

Right now, planning and building a single interregional transmission line can take as long as 18 years, in part because existing laws governing the process create arbitrary obstacles.

From The Wall Street Journal ● Sep. 10, 2026

Government fire investigators said the fire, which killed 19 people and destroyed thousands of homes in Altadena, was caused by electrical arcing on Edison’s out-of-service transmission line in Eaton Canyon.

From Los Angeles Times ● Sep. 1, 2026

That fire, according to investigators, was ignited by an old transmission line owned by Pacific Gas & Electric.

From Los Angeles Times ● Aug. 20, 2026

In 2019, the Kincade fire in Sonoma County, which destroyed hundreds of homes, was ignited by an idle transmission line owned by PG&E.

From Los Angeles Times ● Jul. 21, 2026

As an example of how to take advantage of this very valuable fact, let us take an instance: Say that Farmer Jones has a transmission line 1,000 feet long strung with No. 7 copper wire.

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