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Red Balls on Power Lines: Why Are They Up There? | Snopes.com
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,
The meaning behind those colorful balls on power lines
What Are Those Balls That Hang On Power Lines? | Engineering Discoveries
Overhead wire marker - Wikipedia
Red Balls on Power Lines: Why Are They Up There? | Snopes.com
A Rainbow of Safety: The Story Behind the Balls on Power Lines - EnergyBot
Why Power Lines Have Those Strange Looking Device
EPCOR on X: "Ever wonder what these "balls" on power lines are for? #NationalElectricityMonth https://t.co/ptIRz4hAnb" / X
What are those balls for? : r/ElectricalEngineering
Purpose of Balls on Power Lines [Common Types & Locations]