Ex12 – CompEx Design

Course Overview

Ex12 was developed in 2011 with an Industry Working Group to deliver a Competency Certificate to professional Application Design Engineers to ensure they understand the risks of potentially explosive atmospheres and select the appropriate electrical equipment.

Ex12 meets the competency requirements of IEC60079-14 for Designers (design & selection).

The course consists of classroom based theoretical training, individual exercises , group exercises, and written assignments.

Exercises contain scenarios where equipment selection, markings and environmental protection is relevant. The course also includes the intrinsically safe system concept and associated calculations required to ensure correct and safe installation is achieved.

Course Objectives

Upon completion of the CompEx Design Ex12 course the student will be able to demonstrate:

  • Understanding of Ex markings
  • Ability to select Ex equipment based on area classification
  • Perform IS Loop calculations for single barrier
  • Define proper installation methodology based on method of protection
Learning Techniques:

In order to provide the highest quality training experience, this course will consist of the following instructional elements

  • Instructor-led presentation – The core elements of skill will be presented and demonstrated in a classroom environment. Lab exercises and practical demonstrations of skill will be accomplished by the student.

  • Assessments – Multiple choice and written exams will be administered throughout the course. The final exams are in written form and will be administered on the final day.

  • Documentation – The attendee will receive an attendance certificate from EUTEX. Upon successful completion of the JTL exams the attendee will receive a certificate that is valid for 5 years.

Course Details

Course number: AH / AS / AD-CMP-412

Target audience: Candidates should have experience and exposure to Explosive environments or exposure to Ex equipment, a solid background on explosive atmospheres and area classification would be essential to complete the course

Houston, Singapore, Dubai

5 Days, 8am to 4pm

Proof of electrical qualification and employer letter of support.

Certification issued:
Certificate of Competence issued by JTL. Valid for 5 years; Certificate of Attendance.

For Registration Details


EUTEX International is the leading electrical supplier of hazardous area products and services around the globe!

EUTEX is an ISO 9001:2015 certified company that provides hazardous area electrical products including cables, glands, and accessories. The company holds IECEx service facility status which allows our staff to provide hazardous area inspection and maintenance services along with staff training and assembly certification to ensure safe operations in potentially explosive environments.

Working in potentially explosive areas involves multiple risks, so minimizing those risks for the staff and assets is our highest priority.

We have been serving the energy industry since 1998 consistently working towards a safer work environment. EUTEX has built an extensive global footprint by supporting customers who really care about safety by making sure the products and services are a good fit for their purpose and compliant with international and local standards.

To date, EUTEX has registered offices and training centers in Australia, Canada, India, Myanmar, Scotland, Singapore, Thailand, and United Arab Emirates to better serve our global clientele.



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