CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 67360 | prEN 50270:2025 | Electromagnetic compatibility - Electrical apparatus for the detection and measurement of combustible gases, toxic gases or oxygen | Izstrādē |
| 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 |
| 80797 | prEN 50724 | Fixed Ultrasonic Gas Leak Detectors (UGLD) - General requirements and test methods | Izstrādē |
| 49192 | prEN 50XXX | Installation rules on basis of IEC 60079-14 | Izstrādē |
| 54264 | prEN 50XXX | Determination of allowed contents for connecting boxes of increased safety 'e' | Izstrādē |
| 57342 | prEN 50XXX | prEN: Electrical apparatus for potentially explosive atmospheres: Cables entries | Izstrādē |
| 57273 | prEN 50XXX | Pressure transducers using capiliaries | Izstrādē |
| 45057 | prEN 50XXX | Synopsis of the major differences in the North American (USA) and European (UK) submissions to IEC on an international standard for gas detectors | Izstrādē |
| 52102 | prEN 50XXX | Revision of DIN VDE 0118-1, DIN VDE 0118-2, DIN VDE 0118-3: Erection of electrical installations in mines - Part 1: General requirements, - Part 2: Supplementary specifications for power installations, - Part 3: Supplementary specifications for telecommunication installations | Izstrādē |
| 46264 | prEN 50XXX | Revision of ÖVE-EX 65/81 + EX 65a/85 - Electrical installation in potentially explosive atmospheres | Izstrādē |
Displaying 681-690 of 750 results.