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

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

From Los Angeles Times ● Aug. 12, 2026

New surveillance footage and evidence from Southern California Edison confirms that a century-old, idle transmission line that the utility failed to remove ignited last year’s deadly Eaton fire, lawyers said in a court filing.

From Los Angeles Times ● Aug. 5, 2026

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

From Los Angeles Times ● Jul. 21, 2026

Then I felt like I had hold of a power transmission line.

From Operation Terror by Murray Leinster