We've all seen the orange, yellow, or white balls on power lines, while driving or walking past them. The colored balls seem to always be there, and there's a good reason for that: The safety of ... Those bright orange spheres strung along certain power lines are not decorative, and they are not there to keep the wires from sagging.

Understanding the Context

They are precision safety devices, engineered to make some of ... Looking up at the power lines outside your window or along your street, you might notice some small, gray attachments resembling weights hanging from the wires. Not to be confused with the orange ...