IECEx Rules

The administration of the IECEx System is governed by the IECEx Rules which are available for free:


  • Title
    Description
  • IEC Conformity Assessment Systems – Basic Rules Ed. 2.4

    IEC CA 01 Ed 2.4en Red Line Version
  • IECEx Supplement to Harmonized Basic Rules IEC CA 01 Ed 2

    IECEx 01-S Ed.2 RLV
  • IEC System for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx System)IECEx Certified Equipment Scheme covering equipment for use in explosive atmospheres – Rules of Procedure (Ed 7.1 Posted 2019-11-01)

    IECEx 02 Ed7.1 RLV
  • IECEx Certified Service Facilities Scheme Part 0: General Rules of Procedure
    This publication is directly related to the IECEx Basic Rules (comprising IEC CA 01 and the IECEx Supplement IECEx 01-S) and provides structure for, and a link to subordinate Rules that relate to specific service activities within the IECEx Certified Service Facilities Scheme.(Ed.1.0)

  • IECEx Certified Service Facilities Scheme – Part 2: Selection of Ex equipment and design of Ex installations – Rules of Procedure (Ed. 1.1)

    CURRENTLY UNDER REVIEW - NOT FOR USE.

    IECEx 03 2 Ed1.1 RLV
  • IECEx Certified Service Facilities Scheme – Part 3: Ex installation and initial inspection – Rules of Procedure (Ed. 1.1)

    CURRENTLY UNDER REVIEW - NOT FOR USE.

    IECEx 03 3 Ed1.1 RLV
  • IECEx Certified Service Facilities Scheme – Part 4: Ex inspection and maintenance – Rules of Procedure (Ed. 2.0)

    IECEx 03 4 Ed2.0 RLV
  • IECEx Certified Service Facilities Scheme – Part 5: Repair, overhaul and reclamation of Ex equipment – Rules of Procedure (Ed. 1.3)

    IECEx 03 5 Ed1.3 RLV
  • IEC Scheme for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx Scheme) - IECEx Conformity Mark Licensing System – Regulations

  • IEC System for Certification to Standards relating to Equipment for use in Explosive Atmospheres (IECEx System) IECEx Scheme for Certification of Personnel Competence for Explosive Atmospheres – Rules of Procedure (Ed 4.1 Posted 2017-10-26)

    IECEx 05 Ed4.1 RLV
  • This publication is directly related to the IECEx Basic Rules (comprising IEC CA 01 and the IECEx Supplement IECEx 01-S) and provides details concerning the structure, membership and terms of reference of the IECEx Assessment Group, (ExAG). (Ed. 1.0 Posted 2019-03)

    This first edition of IECEx 06 takes effect immediately upon publication.

  • INTERNATIONAL IECEx CERTIFICATION: IN HAZARDOUS AREAS - IEC SYSTEM FOR CERTIFICATION TO STANDARDS RELATING TO EQUIPMENT FOR USE IN EXPLOSIVE ATMOSPHERES (IECEx) - THE WAY TO SAFETY COMPLIANCE