IEC 60079-19:2025 applies to service facilities and covers only those factors related to overhaul, repair or reclamation of Ex Equipment specifically designed for hazardous areas, where the hazard is caused by explosive atmospheres. Ex Equipment can be overhauled, repaired or reclaimed to mitigate deficiencies identified during operation, inspection and maintenance.

It does not include:

• advice on cable and wiring systems which can require a renewal when the equipment is re-installed

• Repair or overhaul of Type of Protection “m”

• Repair or overhaul of Ex Components

• Requirements for manufacturers who overhaul and repair equipment which they have manufactured

This fifth edition cancels and replaces the fourth edition published in 2019. This edition constitutes a technical revision.

Users of this document are advised that interpretation sheets clarifying the interpretation of this document can be published. Interpretation sheets are available from the IEC webstore and can be found in the “history” tab of the page for each document.

The significance of changes between IEC 60079-19, Edition 5 (2025) and IEC 60079-19, Edition 4 (2019) are as listed in the foreword of this standard.