Lightning rods are metal rods or conductors installed on the roofs of buildings to protect them from lightning strikes. They work by providing a path of least resistance for the lightning to follow, diverting it away from the building and into the ground. Lightning rods were first invented by Benjamin Franklin in the mid-18th century, and have since become a common feature of buildings in areas prone to lightning strikes. A typical lightning rod consists of a metal rod or conductor, usually made of copper or aluminum, attached to the roof of a building and connected to a grounding system. When a lightning bolt strikes the rod, the electrical current is conducted safely to the ground, preventing damage to the building and its occupants. Lightning rods are often installed in conjunction with other lightning protection systems, such as surge protectors and lightning arrestors, to provide comprehensive protection against lightning strikes. The effectiveness of a lightning rod depends on several factors, including the height and location of the building, the size and shape of the rod, and the quality of the grounding system. Proper installation and maintenance of lightning rods is essential to ensure their effectiveness and prevent damage to the building or its occupants. In addition, it is important to note that while lightning rods can reduce the risk of lightning damage, they do not provide complete protection and should be used in conjunction with other safety measures, such as avoiding outdoor activities during thunderstorms.
Benjamin Franklin, conductor, grounding system, surge protector, lightning arrestor
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