Lightning rods work by creating a path of least resistance for the electrical current to travel. When lightning strikes, it is looking for the easiest way to get to the ground. If there is a lightning rod nearby, the current will travel down the rod and into the ground, rather than striking the building or tree.
Lightning rods are an important safety device, and they can help to protect people and property from damage. If you live in an area that is prone to lightning strikes, you should consider installing a lightning rod on your home or business.