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Все вопросы
- In what electroinstallations it is possible to use control lamps as voltage indicators? #131
- What forbidding posters are hung out on drives of switching devices, to avoid energizing the workplace during repair or planned survey of the equipment? #132
- When is the next test of knowledge of administrative and technical staff not involved in issuing orders and instructions? #133
- Which group of electrical safety must have workers from among the operational personnel, single service electrical? #134
- Who can be responsible for the safe conduct of work? #135
- What constructive elements of buildings and structures can be considered as natural lightning? #136
- What is the allowable class of accuracy must be estimated from counters of active energy for non-industrial facilities? #137
- What are the responsibilities of administrative and technical staff? #138
- What instruction must pass the electrical engineering staff before starting work on the order? #139
- How many workers and what group on electrical safety needs to check the absence of voltage on overhead lines with voltage above 1000 V? #140