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ICTD International Centre for Training and Development

Safe Handling, Operation and Maintenance of Electrical Equipment in Hazardous Areas

Oct 27—31, 2019
5 days
Dubai, United Arab Emirates
USD 3300
USD 660 per day

How it works


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This course provides delegates with an understanding of the hazards involved in using electrical equipment in potentially explosive atmospheres. It is based on the newly adopted international IEC 79 Series of Standards that are now replacing the older national standards and are directly applicable to most countries in the world (including North America). Explosion-proof installations can be expensive to design, install and operate. The wider approaches described in these standards can significantly reduce costs whilst maintaining plant safety. The book explains the associated terminology and its correct use. It covers from area classification through to the selection of explosion-protected electrical apparatus, describing how protection is achieved and maintained in line with these international requirements. Standards require that engineering staff and their management are trained effectively and safely in hazardous areas and this book is designed to help fulfill that need.

Course Objectives

Upon the successful completion of the course, participants will gain the following from this course:

  • A good understanding of terminology used with hazardous areas
  • An understanding of the hazards of using electrical equipment in the presence of flammable gases, vapors and dusts
  • A basic knowledge of explosion protection to IEC Standards
  • The ability to do a simple hazardous area classification
  • Details of the types of apparatus that can be used in a given hazardous area
  • How to design and install safe working systems in hazardous areas
  • An understanding of the safety and operational aspects of hazardous areas
  • A knowledge of the system limitations in using hazardous areas protection
  • A brief review of the key areas of the national codes of practice.

You will need a basic understanding of instrumentation and electrical theory for the course to be of greatest benefit. No previous knowledge of hazardous area installation is required

Course Outline


  • Accident prevention
  • Accident investigation
  • Accident prevention
  • Major accident (mishapes) constituents
  • Approach
  • Historical development
  • Electrical equipment in hazardous areas


  • Electrical energy and ignition
  • The basics of electricity
  • Electrical heat energy
  • Sources of ignition
  • Flammability
  • Flammability principles


  • General
  • Principles of safety
  • Hazards and hazardous areas
  • Basic properties of combustible and ignitable material
  • Basis of area classification
  • Zonal classification
  • Plant operations – normal and abnormal
  • Area classification – gas and vapors
  • Area classification – dust
  • Classification procedure
  • Responsibility and personnel involved


  • General
  • Risks . . . history
  • Classification concepts
  • Equipment . . . a definition
  • Apparatus grouping
  • Surface temperature classification
  • Concepts and techniques of explosion protection
  • Methods of explosion protection
  • Typical applications of methods of protection
  • Mixed techniques
  • Dust explosion-protection methods
  • Selection of explosion-protection technique for safeguarding
  • Conclusion


  • Earthing
  • Personnel safety
  • Hazardous area considerations
  • Earthing and bonding
  • Static electricity
  • Clean and dirty earthing
  • Electrical interference
  • Earthing terminology
  • Connection of earthing systems
  • Power supply systems
  • Portable equipment using batteries
  • Earthing arrangement standard solutions
  • Earth loops
  • Computer earthing
  • Surge protection systems
  • Standards and codes of practice


  • Introduction to installation requirements
  • Installation requirements
  • IEC 60079-14: standard contents
  • Other relevant installation standards and codes
  • Safety documentation
  • General requirements of the standard
  • Practical aspects of is installations


  • Inspection and maintenance
  • Integrity ‘preserved’
  • Scope of iec 60079-17
  • General requirements
  • Inspections
  • The insulation test
  • Maintenance
  • Testing
  • Unauthorized modification
  • Earthing integrity verification
  • BS5345 inspection requirements


  • General
  • Safety observations
  • Danger signals of electrical malfunctioning
  • Need for inspection and maintenance
  • Maintenance and safe practices
  • Fault finding – safety ensured
  • Insulation testing in hazardous area
  • Earthing in hazardous area
  • Handling ‘fall out of fire and electrical shock’

## Course Methodology

A variety of methodologies will be used during the course that includes:

  • (30%) Based on Case Studies
  • (30%) Techniques
  • (30%) Role Play
  • (10%) Concepts
  • Pre-test and Post-test
  • Variety of Learning Methods
  • Lectures
  • Case Studies and Self Questionaires
  • Group Work
  • Discussion
  • Presentation

Who should attend

This course is aimed at anyone involved in design, specification, installation, commissioning, maintenance or documentation of industrial instrumentation, control and electrical systems. This includes:

  • Tradespersons working in potentially explosive areas
  • Electrical and instrument tradespersons
  • Instrumentation and control engineers
  • Electrical engineers
  • Instrumentation technicians
  • Design engineers


Detailed Description
Detailed Description

Next dates

Oct 27—31, 2019
5 days
Dubai, United Arab Emirates
USD 3300
USD 660 per day

How it works

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