Maintenance of Classified Electrical Equipment

Course Properties

Course date: 18-02-2018
Course End Date: 22-02-2018
Location Cairo

Course Objective:

         • Develop an understanding of the standards employed relating to Classified Areas and the

              appropriate protection principles employed on equipment  
         • Learn how the directives are applied to the delegates equipment
         • Understand techniques for the maintenance and testing of classified equipment and how they

             should be best applied.
         • Learn correct isolation procedures for classified equipment.


Who Should Attend:

             Maintenance and Electrical Engineers and technicians.

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Course Contents:

          INTRODUCTION TO INTERNATIONAL STANDARDS FOR CLASSIFIED AREAS
                                    • North American Standards (IEEE)
                                    • ISO 9001 - 2000
                                    • European Standards (EEC Directive 137 – July 2003)
                                    • ATEX Directive
                                    • The Effect on new Equipment Classification
                                    • Electrical Equipment Marking (Hexagon Ex Symbols)


          EXPLAINING EXPLOSIVE ATMOSPHERES & TERMINOLOGY 
                                    • Ignition Source
                                    • Fuel
                                    • Oxidation
                                    • Critical Ignition Energy
                                    • Most easily ignited concentration (MEIC),
                                    • Lower Explosive Limit (LEL)
                                    • Upper Explosive Limit (UEL)
                                    • Effects of O2 Enhancement, Temperature, and Pressure
                                    • Historical Background of explosion protection
                                    • Definitions and Codes
                                    • Precautions during Routine Maintenance and Testing


          COMMONLY RECOGNISED CONCEPTS OF PROTECTION & RELEVANCE TO MAINTENANCE  
                                   • Flameproof
                                   • Intrinsically Safety - Apparatus or System
                                   • Pressurization
                                   • Increased Safety
                                   • Type N Protection (Non-sparking)
                                   • Oil Immersion
                                   • Powder/Sand Filing
                                   • Encapsulation
                                   • Combined Methods of Protection
                                   • Frequently Asked Questions


          EQUIPMENT EXAMPLES on DELEGATES NETWORKS
                                  • General
                                  • Lighting
                                  • Motors
                                  • Switchgear
                                  • Cable Entries
                                  • Cable Gland  
                                  • IP Categories 


          SAFE ISOLATION OF CLASSIFIED EQUIPMENT 
                                  • Rules and Directives
                                  • Step-by-step
                                  • Documentation


          INSPECTION AND MAINTENANCE OF CLASSIFIED EQUIPMENT 
                                 • European Directives 
                                 • IEC Requirements 
                                 • Application
  

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