Earthing Arrangements And Protective Conductors

Understanding the principles of earthing arrangements and protective conductors are an important factor in safe working practices. This course outlines the principles as well as providing practical guidance in their application.

Benefits

On completion of this course, delegates will be able to:

• Apply relevant definitions
• State the purpose of earthing
• Explain how protection against indirect contact can be achieved with
  • earthed equipotential bonding and automatic disconnection of the supply
  • earth-free equipotential bonding
• State the types of earth electrodes and methods of installation
• Identify protective conductors including
  • main equipotential bonding conductors
  • supplementary bonding conductors
  • circuit protective conductors
• Explain how preservation of electrical continuity of protective conductors can be achieved
• Understand Lighting conductors
• Appreciate Earthing on SWA cable

Course Content

• Earthing its importance
• Testing - continuity of main bonding and supplementary Bonding
• Earth loop impedance
• Earth electrode test
• Testing of residual current devices