What Are Those Balls That Hang on Power Lines?

Have you ever seen those big yellow, orange, white or red balls hanging from power lines? Well, those balls are visibility markers.

Aircraft warning balls hi-res stock photography and images - Alamy

Visibility marker balls hi-res stock photography and images - Alamy

Aerial Marker Balls Hanging Power Lines Stock Photo 1450466987

Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.

Electricity wires balls hi-res stock photography and images - Alamy

Why are Colorful Balls on Transmission line? Purpose of orange balls on Power Lines?

Aerial Marker Balls for Power Lines Model JX - Flight Light Inc.

Answer Man: Colored spheres on utility poles

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

What are the Colored Aerial Marker Balls on Power Lines For?

What Are Those Big Colorful Balls You See On Powerlines?

The Ingenious Meaning Behind Red Balls On Power Lines

What Are Those Balls That Hang on Power Lines?

What are the things called that are like giant balls attached to electrical wires running between telephone poles or electrical towers? What is their purpose? - Quora