RC35 Protection of Buildings against lightning strike

This document explains the threat to businesses posed by lightning strikes and outlines the basis of the risk assessment process set out in BS EN 62305: Parts 1 to 4. Although the principle threat from a lightning strike is to life safety, this publication also provides advice and guidance relating to the threat to property and the potential to paralyse a business, causing considerable disruption, financial loss, and damage to electronic systems, computers, and communication links.