A lightning arrester rod, also known as a lightning rod or lightning conductor, is a device designed to protect structures from the damaging effects of lightning strikes. Here’s a breakdown of its purpose and function: • Purpose: The primary goal of a lightning arrester rod is to safeguard buildings and electrical systems by providing a preferred path for lightning to follow, thus preventing it from passing through the structure where it could cause fires or electrocution1. • How It Works: The rod is typically made of conductive materials like copper or aluminum and is mounted on top of a structure. If lightning strikes, it’s most likely to hit the rod. The electrical charge from the lightning is then safely conducted to the ground through a wire connected to the rod1. • Design Variations: Lightning rods can be hollow, solid, pointed, rounded, or even resemble a bristle brush. Despite these variations, all lightning rods share the common attribute of being made from conductive materials1. • Historical Context: The concept of the lightning rod was first detailed by Benjamin Franklin in 1752. His design included a pointed rod that would draw the electrical charge from a cloud, aiming to prevent the lightning from striking the structure directly1. Lightning arrester rods are an essential component of a comprehensive lightning protection system, ensuring the safety of structures and their occupants during thunderstorms. SN LIGHTNING ARRESTER DUBAI