Red Balls on Power Lines: Why Are They Up There? | Snopes.com
What are the red balls on power lines? - Quora
The Reason Behind Those Brightly Colored Balls Along Power Lines | Mental Floss
Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.
What are those colourful Aerial marker balls on power lines?
What Are Those Colorful Balls That Are Attached To Power Lines? » Science ABC
Orange coloured Plastic balls, so called flight warning balls, are installed at the power lines of RWE in Moers, Germany, 18 April 2011. RWE renewed 18 old power-pylons in North Rhine-Westphalia. Photo:
Kenya Electricity Transmission Company Limited - 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
Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.
What are the Colored Aerial Marker Balls on Power Lines For?