CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 58030 | prEN 50XXX | Application of parameters from IEC 60664 and 60664A to be used to determine the quality of electrical insulation inside pressurized enclosures for Group I | Izstrādē |
| 66465 | EN IEC 62990-2:2021 | Workplace atmospheres - Part 2: Gas detectors - Selection, installation, use and maintenance of detectors for toxic gases and vapours | Izstrādē |
| 53700 | prEN 60079-20 | Electrical apparatus for explosive gas atmospheres - Part 20: Data for flammable gases and vapours, relating to the use of electrical apparatus | Izstrādē |
| 62739 | prEN 60079-43 | Explosive atmospheres - Equipment in adverse service conditions | Izstrādē |
| 46405 | EN 50020:1977/prAX | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' | Izstrādē |
| 53731 | EN 50054:1991/prA2 | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 45482 | EN 50018:1977/prAX | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
| 47516 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 52136 | EN 50018:1977/prAX | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
| 51666 | prEN 50XXX | Preliminary Enquiry about Zone 0 and intrinsic safety | Izstrādē |
Displaying 641-650 of 737 results.