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Все вопросы
- Who has the right to conduct an autopsy of the means of electrical measurements that is not associated with the normal functioning of the registered devices? #151
- How is to check the circuit phase — zero in electrical installations up to 1 kV with the TN? #152
- What is touch voltage? #153
- What is the earthing system of the following refers to the system TN? #154
- In what electroinstallations dielectric gloves are applied as the main insulating electrical safety devices? #155
- In any electrical installations are assigning responsibility for electrical equipment? #156
- What are the requirements for seconded staff? #157
- What instruction must pass the seconded staff on arrival to the place of his business trips? #158
- In which electrical installations can be performed work in order of the current operation? #159
- In any case, it is possible to use non-standardized means of measurement? #160