| | | | | |
|---|
 | 395-08-20 | | clearance level | | [395 - Nuclear instrumentation] |
| 411-42-34 | | bearing clearance | | [411 - Rotating machinery] |
| 426-04-12 | | clearance | | [426 - Equipment for explosive atmospheres] |
| 441-17-31 | | clearance | | [441 - Switchgear, controlgear and fuses] |
| 441-17-32 | | clearance between poles | | [441 - Switchgear, controlgear and fuses] |
| 441-17-33 | | clearance to earth | | [441 - Switchgear, controlgear and fuses] |
| 441-17-34 | | clearance between open contacts | | [441 - Switchgear, controlgear and fuses] |
| 448-13-15 | | fault clearance time | | [448 - Power system protection] |
| 466-05-12 | | ground clearance | | [466 - Overhead lines] |
| 466-05-13 | | phase-to-earth clearance | | [466 - Overhead lines] |
| 466-05-14 | | clearance to obstacles | | [466 - Overhead lines] |
| 581-27-76 | | clearance | | [581 - Electromechanical components for electronic equipment] |
| 605-02-23 | | phase-to-phase clearance | | [605 - Generation, transmission and distribution of electricity] |
| 605-02-24 | | phase-to-earth clearance | | [605 - Generation, transmission and distribution of electricity] |
| 605-02-25 | | working clearance | | [605 - Generation, transmission and distribution of electricity] |
| 614-02-24 | | fault clearance | | [614 - Generation, transmission and distribution of electricity – Operation] |
| 614-02-26 | | fault clearance time | | [614 - Generation, transmission and distribution of electricity – Operation] |
| 811-09-03 | | pantograph clearance gauge | | [811 - Electric traction] |
| 811-09-04 | | electrification clearance gauge | | [811 - Electric traction] |
| 811-09-05 | | electrical clearance, <of a contact line> | | [811 - Electric traction] |
| 811-15-31 | | clearance underneath the gear case | | [811 - Electric traction] |
| 821-01-59 | | guideway clearance | | [821 - Signalling and security apparatus for railways] |
| 851-15-12 | | clearance in air | | [851 - Electric welding] |