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Все вопросы
- In which electrical installations can be performed work in order of the current operation? #81
- In any case, it is possible to use non-standardized means of measurement? #82
- In circuits with any voltage should measured current? #83
- In what electroinstallations when using the voltage tester it is necessary to put on dielectric gloves? #84
- What posters from the listed below refer to the warning? #85
- What is the frequency of inspection of earthing devices with selective opening of a ground? #86
- What consumers refer to the consumers of the second category? #87
- In which case, the certificate of testing the knowledge of norms and rules of work in electrical installations should be replaced? #88
- What voltage should be used to power the portable (manual) of fixtures used in premises with the increased danger? #89
- How is metering during the repair of means of measurement with the running of the process equipment? #90