CompEx courses

See the CompEx courses we offer and contact us to arrange the training you need

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What’s CompEx?

CompEx is the national joint training and assessment scheme for electro-technical crafts staff who work in potentially explosive atmospheres. Industry examples include on-shore and off-shore oil and gas, pharmaceuticals, energy and chemical industries.

CompEx was created and implemented by the Engineering Equipment and Material Users Association (EEMUA) and the national training agent for the electrical contracting industry (JTL). It’s supported by the Health and Safety Executive.

Our courses are run by JTL, which has developed the training and is managing the courses across the UK.

JTL has licensed and accredited a number of centres to deliver the following training and assessment courses:

CompEx ExF Foundation

One-day course

This course offers candidates:

  • A greater understanding of the current directives and regulations relating to hazardous areas
  • Awareness of typical flammable atmosphere situations and types of release
  • Understanding of the characteristics of gases, vapours and dusts
  • Understanding of the basic principles of area classification including zones, apparatus groups and temperature classification
  • Understanding of identification for hazardous area equipment
  • Awareness of the types of protection for equipment for use in hazardous areas
  • Understanding of the IP code for ingress protection
  • Awareness of various ignition sources and potential associated hazards

Are there any prerequisite requirements?

There are no prerequisite requirements for this course.

CompEx Ex01 to Ex04

Five-day course

This course delivers competence-based training and assessments in the selection, use, maintenance and inspection of electrical apparatus in potentially explosive atmospheres.

Training is in line with the relevant standards of the BS EN 60079 series and offers:

  • Area classification
  • Gas groups
  • Temperature classification
  • IP ratings
  • Selection of equipment
  • Ignition sources
  • Legislation
  • Directives and standards
  • Earthing and bonding
  • Ex ‘i’, Ex ‘d’, Ex ‘e’, Ex ‘p’, Ex ‘m’, Ex ‘n’, Ex ‘o’ and Ex ‘q’
  • Wiring systems and glanding
  • Installation, maintenance, inspection and testing
  • Feedback and review

On successful completion, candidates are issued with a certificate of core competence by JTL and EEMUA.

Are there any prerequisite requirements?

  • Delegates should be a competent electrician and/or instrument craft personnel
  • Photo ID
  • Certificate or letter from employer proving competence OR JIB gold card

CompEx Ex01 to Ex04 Refresher

Two-day refresher course

This course delivers competence-based training and assessments in the selection, use, maintenance and inspection of electrical apparatus in potentially explosive atmospheres. It can be completed at your site.

Training is in line with the relevant standards of the BS EN 60079 series and offers:

  • Area classification
  • Gas groups
  • Temperature classification
  • IP ratings
  • Selection of equipment
  • Ignition sources
  • Legislation
  • Directives and standards
  • Earthing and bonding
  • Ex ‘i’, Ex ‘d’, Ex ‘e’, Ex ‘p’, Ex ‘m’, Ex ‘n’, Ex ‘o’ and Ex ‘q’
  • Wiring systems and glanding
  • Installation, maintenance, inspection and testing
  • Feedback and review

On successful completion, candidates are issued with a certificate of core competence by JTL and EEMUA.

Are there any prerequisite requirements?

Delegates need to have completed the five-day CompEx Ex01 to Ex04 and to have held the certificate for no longer than five years.

Find out more

You can read more about out training courses here.

For more information, or to ask us to deliver a course at your premises, please get in touch.

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