About ExKnowledge

ExKnowledge is a free, open reference for explosion protection engineers. We cover ATEX, IECEx, zone classification, protection methods, gas groups, temperature classes, and equipment certification.

Our mission is to make complex Ex standards accessible and practical โ€” for engineers working in hazardous areas worldwide.

Content is based on IEC 60079, ATEX Directive 2014/34/EU, and IECEx standards. Available in 11 languages.

How content is created

ExKnowledge content is created through a combination of human expertise and AI assistance. All technical content is reviewed against official IEC 60079, ATEX, and IECEx standards. If you spot an error or have a suggestion, please let us know using the feedback link below.

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