Spheres on Electric transmission lines?

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Spheres on Electric transmission lines?

Often times there are large red, or yellow "spheres", or "balloons" on electric transmission lines. What are these objects, and what is there purpose?

2007-11-18 09:58:16 · 3 answers · asked by Robert B 1 in Science & Mathematics ➔ Physics

3 answers

To make it easy for aircraft to see them.

2007-11-18 10:04:52 · answer #1 · answered by David M 4 · 0⤊ 0⤋

They are voltage boosters to compensate for transmission line Resistance.

2007-11-18 18:17:03 · answer #2 · answered by johnandeileen2000 7 · 0⤊ 0⤋

These are to make the lines visible to tall vehicles or planes and helicopters.

2007-11-18 18:05:24 · answer #3 · answered by Anonymous · 0⤊ 0⤋