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I have seen other towers with the same lines.

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They are earth wires so that lightning hits these before the main AC wires: -

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Picture source

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  • \$\begingroup\$ Oh, awesome. But isn't the tower a natural grounder, wouldn't a lighting hit the tower anyways? Or is it to protect the lines between tower-to-towers \$\endgroup\$ – mateos Apr 24 '18 at 13:28
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    \$\begingroup\$ It's not to protect the tower - what would protect the lines between towers if lightning hit? \$\endgroup\$ – Andy aka Apr 24 '18 at 13:29
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    \$\begingroup\$ Cool, so it's to protect lines between towers \$\endgroup\$ – mateos Apr 24 '18 at 13:44
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    \$\begingroup\$ I wonder how effective these are? \$\endgroup\$ – copper.hat Apr 24 '18 at 14:12
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    \$\begingroup\$ @copper.hat, You wouldn't see very many of them if they didn't save somebody some money in the long run. \$\endgroup\$ – Solomon Slow Apr 24 '18 at 14:43

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