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The Conversation USA

What are those orange balls on some power lines?

  • Written by Rui Bo, Associate Professor of Electrical and Computer Engineering, Missouri University of Science and Technology

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

What are those orange balls on some power lines? – Maggie, age 8, West Chester, Pennsylvania

Have you ever looked up while driving on a highway and spotted those big orange balls hanging...

Read more: What are those orange balls on some power lines?

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