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

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

A transmission line importing electricity from Uzbekistan was also damaged on Thursday, leaving households in almost 12 provinces without power.

From Barron's • Jan. 24, 2026

Edison has said that a leading theory is that its unused, century-old transmission line in Eaton Canyon somehow became re-energized on the night of Jan. 7, 2025 and sparked the blaze.

From Los Angeles Times • Jan. 16, 2026

Edison has said the leading theory is that the dormant transmission line in Eaton Canyon briefly reenergized on the night of Jan. 7, sparking the fire.

From Los Angeles Times • Dec. 30, 2025

Other hydro-electric stations are those of Guadalajara, at the famous falls of Juanacatlan, operated by native capital; the Guanajuato Light and Power Company, an American concern, with a transmission line 100 miles long.

From Mexico Its Ancient and Modern Civilisation, History, Political Conditions, Topography, Natural Resources, Industries and General Development by Hume, Martin