why do voltage lines turn green,trains?

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why do voltage lines turn green,trains?

2007-02-28 08:33:12 · 3 answers · asked by ned f 1 in Science & Mathematics ➔ Engineering

3 answers

When the copper in the power lines oxidizes the outer layer turns green. This is a natural process caused by oxygen in the air.

The same thing happens to copper statues ( Statue of Liberty is green) and any copper exposed to the atmosphere.

2007-02-28 12:13:50 · answer #1 · answered by Lost in PA 2 · 1⤊ 0⤋

The voltage lines turn the green trains around, but they don't turn the yellow trains?

What do you mean?

2007-02-28 08:37:06 · answer #2 · answered by morningfoxnorth 6 · 0⤊ 0⤋

the copper is oxidizing

2007-02-28 09:02:14 · answer #3 · answered by BMS 4 · 1⤊ 0⤋