They stabilize the lines in high wind preventing them from swinging too close to each other or “bouncing” and working loose from the insulators.Click to see full answer. Regarding this, what are those things hanging from power lines?They’re called visibility marker balls or marker balls. You’ll often find them near mountain passes, in the deep valley areas, near major freeway crossings and around airports. They weight about 17 pounds each. The marker balls are placed on power lines to make the conductor crossings visible to aircraft.Secondly, why are there reflectors on power lines? The covers also reduce the chance of animals and smaller birds being electrocuted. Additionally, reflectors are being placed on power lines to help prevent swans and other migrating birds from flying into the lines and getting entangled and electrocuted. Just so, what are the spring looking things on power lines? Turns out, they’re called lightning arresters and they’re crucial to preventing certain blackouts.Why are there three wires on power lines?A three-wire three-phase circuit is usually more economical than an equivalent two-wire single-phase circuit at the same line to ground voltage because it uses less conductor material to transmit a given amount of electrical power.
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