T&D World Magazine
Structures

Transmission owners are blending aesthetics with improved designs to create visually appealing transmission lines. Courtesy of Valmont.

The Past Is the Future

Next-generation technologies are built on past foundations.

In the late 19th century, telegraph poles were converted into transmission line structures to carry a new product called “electricity” to consumers. The 20th century saw a massive technological effort to develop those primitive transmission poles into structures capable of handling higher voltage levels to transport more power as demand increased. Fabricators also experimented with new ingredients added to traditional materials and new elements coming from the laboratory to offer a broade

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