IECEx Certificate of Personnel Competence

Awarding body: IECEx (IEC System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres). Checked against the body's own page on 23 September 2026.

Not required by law anywhere we have checked. Where it is needed, employers and site operators require it by contract. Valid for 5 years, as stated by IECEx (IEC System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres).

Who requires it

• Australia: Accepted by the regulator as evidence of competence (no single scheme is named in law).
• Internationally: Not required by law — employers and site operators require it by contract.

Who trains and assesses

An IECEx-accredited Certification Body (ExCB) performs the assessment and issues the certificate.

Is another scheme accepted instead?

• CompEx Ex01–Ex04: Ex electrical equipment, gas & vapours: Comparable content, separate schemes. An employer specifies one.

Hiring for a role that asks for this? Paste its job description for a hiring-feasibility brief — including whether the credential narrows who can fill it. Your first 2 briefs are free.

This page states facts and links the awarding body; it does not reproduce the standard. Requirements change — confirm with the body and with the operator before relying on them.