Electrical Safety: Hazards and Protective Measures

Electrical hazards can result in serious injuries or death for personnel that work on or around electrical equipment. In Fact, electrocutions rank fourth in causes of industrial fatalities. In order to ensure a safe workplace, personnel must understand electrical safety regulations, electrical hazards, and the use of safe work procedures and protective equipment.

Course Methodology

This course will be highly interactive and include group discussions, case studies and syndicate work. Participants will have the opportunity to use reported accidents as workshop material to determine what went wrong and identify the steps that could have been taken in order to prevent the incident.

Course Objectives

By the end of the course, participants will be able to:

  • Minimize risks by identifying the hazards associated with electrical energy and by complying to safety guidelines
  • Enhance safety by understanding the difference between low, medium, and high voltage and by adopting the relevant safety rules accordingly
  • Apply the inspection requirements when working with or on electrical equipment to avoid equipment damage and possible injuries to personnel
  • Follow inspection requirements for Personal Protective Equipment (PPE) and reduce injuries by identifying defective PPE
  • Describe and apply the requirements in EN 500110, the most widely used standard for the protection of individuals from the effects of electrical hazards


Target Audience

This course is designed for professionals managing and supervising personnel involved in the maintenance and repair of electrical equipment, such as field supervisors, safety professionals, site managers, lead technicians, maintenance engineers and maintenance supervisors.

Target Competencies
  • Electrical safety regulations
  • Electrical inspection requirements
  • Electrical hazards assessment
  • Electrical protective measures


Course Outline

Electrical hazards

  • Electrical terminology
    • Resistance
    • Voltage
    • Current
    • Conductor
    • Insulator
    • Grounding
    • Protective earthing
    • Bonding
  • Electric shock
    • Electric shock defined
    • How it occurs
    • Effect on the human
    • Rescue methods
  • Arc flash
    • Arc flash defined
    • How it occurs
    • Effect on the human
    • Rescue methods

Equipment hazards associated with electric shock

  • Equipment hazards
    • Inadequate wiring hazards
    • Overload hazards
    • Flexible cords
    • Inadequate protective earthing
  • Protective devices
    • Fuses
    • Circuit breakers
    • Ground fault circuit interrupters

Electric shock protective measures

  • Equipment engineering for shock protection
  • Boundaries for shock protection
  • Personal Protective Equipment for shock protection

Arc flash protective measures

  • Equipment engineering for arc flash protection
  • Arc flash boundaries
  • Personal Protective Equipment (PPE) for arc flash protection

Hazard assessment concerns for live electrical work

  • Determining what hazards are involved
  • Identifying the risks involved
  • Developing measures to reduce the risks
  • Implementing the measures
  • Documenting the process
  • Reviewing process

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