Ex01-Ex04 Gas & Vapours

Electrical/Instrumentation installation, maintenance & inspection

Operatives are considered to be people who are involved in the selection, installation and inspection of equipment. The Installation Standard IEC 60079-14 requires an assessment of the delegates practical ‘skills’ in additionto theoretical training. This necessitates practical assessment and evaluations such as the ‘CompEx’ scheme where trainees are expected to assemble equipment (for example glands) that will then be taken apart and examined by assessors. The course consists of classroom based theoretical practical training (50%) and practical assessment and written examination.

Who should attend?

Anyone who conducts electrical installation or inspection of hazardous areas, normally practitioners with an electrical installation background.


  • Understanding of the general principles of explosion protection
  • Understanding of the general principles of types of protection and marking
  • nderstanding of those aspects of equipment design which affect protection concept
  • Understanding of content of certificates and relevant parts of IEC/EN 60079-14
  • General understanding of inspection and maintenance requirements of IEC/EN 60079-17
  • Familiarity with the particular techniques to be employed in the selection and erection of equipment referred to in IEC/EN 60079-14
  • Understanding of the additional importance of permit to work systems and safe isolation in relation to explosion protection
  • Practical skills necessary for the preparation and installation of relevant concepts of protection (hands on training)