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Все вопросы
- When an inspection and inspection of devices is performed lightning protection for ensuring constant reliability? #31
- With what frequency the examination on electrical safety for the electrotechnical personnel which are carrying out repair work in is carried out electroinstallations? #32
- What group on electrical safety has to have electrotechnical personnel for the admission to work with the portable electric tool and manual electrical machines of a class I in rooms with the increased danger? #33
- What duration of holding a training of electrotechnical personnel in a workplace before appointment to independent work? #34
- What rooms are called wet? #35
- What actions from listed belong to organizational? #36
- Where there have to be operational schemes of electroinstallations of the certain site and related electrically other divisions? #37
- In what maximum radius from the place of contact of the earth with an electric wire it is possible to get under "step" tension? #38
- What do lamps of emergency lighting have to differ from lamps of a working light in? #39
- Who has the right to include electroinstallations after full completion of works? #40