T&D World Magazine
Structures

The Grid Takes Shape

From telegraph poles to steel structures, the electric utility industry continues to evolve in form and function.

The grid is a complex network of transmission paths and distribution circuits. The majority of these electrical pathways are overhead construction comprised of a myriad of poles, towers and structures made of every imaginable material. Wood and steel make up the bulk of these structures, but there is much more to the story.

The designs and components for the first electric power lines were scavenged from another industry. Back in the 1840s, the first telegraph companies original

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