Section outline

    • This e-lesson is part of Domestic Electricity level 3, Learning Unit 3: Install earthing system, Learning Outcome 3.6: Connect surge arrestor based on protection area/ zone surge current.

    • Did you know that a surge in electricity can cause electrical installation fires, and even burn down buildings?

      Burnt socket outlet

      Introduction

      Overvoltage spikes or internal faults during installation can be hazardous for domestic electrical equipment. Surge Protective Devices (SPDs) can be installed to protect electrical equipment and systems from damage, failure, or fire. 

      Learning Objectives

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

      • Identify the different types of surge protective devices used in protection of domestic electrical installation
      • Correctly install surge protective devices to protect domestic electrical installation
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