CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 50647 | EN 50014:1977/prAX | Electrical apparatus for potentially explosive atmospheres - General requirements | Izstrādē |
| 52093 | EN 50020:1994/prAX | Electrical apparatus for potentially explosive atmospheres - Intrinsic safety 'i' | Izstrādē |
| 57597 | EN 50054:1991/prAX | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
| 57926 | EN 50018:1994/prAX | Electrical apparatus for potentially explosive atmospheres - Flameproof enclosure 'd' | Izstrādē |
| 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 |
| 43496 | prEN 45544-1 | Direct reading electrical apparatus used for the direct detection and concentration measurement of polluting gases and vapours - Part 1: General requirements and test methods | 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 |
| 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 |
| 54629 | EN 50016:1995/prAX | Electrical apparatus for potentially explosive atmospheres - Pressurized apparatus "p" | Izstrādē |
| 53731 | EN 50054:1991/prA2 | Electrical apparatus for the detection and measurement of combustible gases - General requirements and test methods | Izstrādē |
Displaying 651-660 of 727 results.