CEI Standards: These standards cover a wide range of topics within electrical engineering, including installations, machinery, and safety.
The official paper for is the technical guide titled "Explosive atmospheres - Guide for classification of hazardous areas for the presence of gas in application of CEI EN 60079-10-1 (CEI 31-87)" Intertek Inform The latest version is CEI 31-35:2018 cei 31-35 pdf
Key Benefits
CEI 31-35 is a comprehensive guide published by the Comitato Elettrotecnico Italiano (CEI). It provides technical procedures for classifying areas where explosive gas, vapours, or mists may be present. Why Use It? CEI Standards : These standards cover a wide
Standards are updated constantly. A PDF you find on a random file-sharing site (e.g., from 2008) is almost certainly obsolete. For example, recent amendments to Part 0 (General requirements) introduced changes to non-metallic enclosures and UV exposure testing. If you design a junction box using an old PDF, you will fail your ATEX certification audit. The cost of recertification far exceeds the price of the official document. Why Use It