Section outline

    • This e-lesson is part of Level 3 Domestic Electricity, under electrical power system protection module, Learning Unit 4: Install lightning arrestors system, Learning outcome 4.4; Install lightning arrestor system in accordance with the standards. 

    • Did you know that you can protect buildings, people, and electrical equipment from lightning?

      Damage done by lightning: broken brick on a building, tree damage, computer damage, fire.

      Introduction 

      Lightning strikes can cause fires, explosions, chemical releases, or mechanical disruption within or around a building. To avoid these risks, an external lightning protection system is installed to conduct the lightning strikes safely to earth.  

      Learning Objectives 

      By the end of this e-lesson, you will be able to:

      • State at least three main hazards to a building caused by lightning 
      • List the main elements of a lightning protection system 
      • Explain the function of a lightning protection system 
      • Describe the steps of building a lightning protection system

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