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What Are Those Colorful Balls on Power Lines, Exactly? | Trusted Since 1922
Red Balls on Power Lines: Why Are They Up There? | Snopes.com
The Reason Behind Those Brightly Colored Balls Along Power Lines | Mental Floss
What are those colourful Aerial marker balls on power lines?
What Are Those Colorful Balls That Are Attached To Power Lines? » Science ABC
What's With The Orange Balls That Hang From Power Lines In Colorado's Canyons? | Colorado Public Radio
The Ingenious Meaning Behind Red Balls On Power Lines - YouTube
KETRACO on X: "Ever wondered what are the balls that hang on power lines? They are called visibility marker balls. You'll often find them near mountain passes, in the deep valley areas,