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

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

With the 36-inch water transmission line undergoing repairs, West Hollywood is currently being served by an 8-inch distribution pipe.

From Los Angeles Times ● Jul. 19, 2026

According to the court filing, evidence obtained by the lawyers shows that the company stopped using the transmission line in 1971 and designated it as “out-of-service.”

From Los Angeles Times ● Jun. 9, 2026

Pizarro has said a leading theory is that a century-old transmission line, which the company had not used for 50 years, may have briefly reenergized, igniting the fire.

From Los Angeles Times ● Mar. 18, 2026

All the wires in the cable are endangered if the cross be with a wire of the primary circuit of a high-tension transmission line.

From Cyclopedia of Telephony & Telegraphy Vol. 1 A General Reference Work on Telephony, etc. etc. by Miller, Kempster