CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 56730 | prEN 50402:2013 | Electrical apparatus for the detection and measurement of combustible or toxic gases or vapours or of oxygen - Requirements on the functional safety of fixed gas detection systems | Izstrādē |
| 84444 | prEN IEC/IEEE 60079-30-1 | Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements | Izstrādē |
| 55723 | prEN 50XXX | Proposal on creepage distances on internal surfaces of enclosures of group I apparatus | Izstrādē |
| 51185 | EN 60079-35-2:2012 | Explosive atmospheres - Part 35-2: Caplights for use in mines susceptible to firedamp - Performance and other safety-related matters | Izstrādē |
| 56576 | prEN 61241-2-2 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 2: Methods for determining the electrical resistivity of dust in layers | Izstrādē |
| 79200 | EN IEC 60079-10-2:2026 | Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres | Izstrādē |
| 84445 | prEN IEC/IEEE 60079-30-2 | Explosive atmospheres - Part 30-2: Electrical resistance trace heating - Guidance on application for design, installation and maintenance | Izstrādē |
| 56733 | prEN 61241-2-4 | Electrical apparatus for use in the presence of combustible dust - Part 2: Test methods - Section 4: Method for determining the minimum explosible concentration of dust/air mixtures | Izstrādē |
| 56965 | prEN 50XXX | Flameproof joints: Spigot joints with rectangular parts | Izstrādē |
| 56918 | prEN 61241-1-2 | Electrical apparatus for use in the presence of combustible dust - Part 1-2: Electrical apparatus protected by enclosures and surface temperature limitation - Selection, installation and maintenance | Izstrādē |
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