| 21. | The good news for Manhattanites is that modern high-rise buildings have built-in lightning protection systems.
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| 22. | There are at least 300 listed certified installers of total lightning protection systems, Shaw said.
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| 23. | For lightning protection, it suffices to consider all possible spheres as they touch potential strike points.
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| 24. | The incident happened as a result of the lack of lightning protection on the Merlion itself.
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| 25. | But even a properly grounded antenna does not afford adequate lightning protection for the average home.
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| 26. | Extensive lightning protection is required for insulated towers.
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| 27. | However, the benefits of basic lightning protection systems have been evident for well over a century.
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| 28. | Proper lightning protection is a lasting investment, as Robert McCracken and his wife, Sarah, can attest.
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| 29. | There were patchwork efforts to shore up weak points and a lightning protection system was installed.
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| 30. | :The main purposes of grounding are : lightning protection, and protection against downed high-voltage power lines.
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