Keyword Analysis & Research: lightning rod 94

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Frequently Asked Questions

What is a lightning rod used for?

What is a lightning rod? A lighting rod is an external terminal installed in a building or structure that aims to attract the lightning to have a controlled point of impact and prevent it from striking an unwanted area or people. There are several types of ligtning rods with different characteristics.

What happens if a lightning rod hits a house?

If lightning hits the structure, it will preferentially strike the rod and be conducted to ground through a wire, instead of passing through the structure, where it could start a fire or cause electrocution. Lightning rods are also called finials, air terminals or strike termination devices.

Where should lightning rods be installed?

On that way, the lightning rod needs to be installed always over the highest point of the building or structure we need to protect, it will be in charge of capturing and conduct safely the lightning discharge to ground.

How much does a lightning rod protect a cone?

Historical understanding of lightning, from statements made by Ben Franklin, assumed that each lightning rod protected a cone of 45 degrees. This has been found to be unsatisfactory for protecting taller structures, as it is possible for lightning to strike the side of a building.

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