CLC/TC 31
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 80797 | prEN 50724 | Fixed Ultrasonic Gas Leak Detectors (UGLD) - General requirements and test methods | Izstrādē |
| 47847 | prEN 50XXX | Open path 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 |
| 55723 | prEN 50XXX | Proposal on creepage distances on internal surfaces of enclosures of group I apparatus | Izstrādē |
| 56965 | prEN 50XXX | Flameproof joints: Spigot joints with rectangular parts | Izstrādē |
| 50534 | prEN 50XXX | British proposal on T4 temperature classification for small components after submission of French proposal on determination of allowed contents for connecting boxes of increased safety 'e' | Izstrādē |
| 44938 | prEN 50XXX | Amendment "b" to ÖVE EX 65 - Electrical installation in potentially explosive atmospheres"b" | Izstrādē |
| 55414 | prEN 50XXX | Breaking Capacity Tests on 50 milliamp Fuses | Izstrādē |
| 43879 | prEN 50XXX | Inductive parameters in intrinsically-safe circuits | Izstrādē |
| 52386 | prEN 50XXX | Addition to prEN 50020 for simple apparatus | Izstrādē |
Displaying 671-680 of 732 results.