#774285
Within what time must be ensured by the direct contact of the pointer with controlled voltage live parts when checking the absence of voltage in electrical installations up to 1000 V?
Варианты ответа:
  • at least 1
  • at least 3
  • Not less than 5
  • at least 8 with
  • Not less than 10
Тематика: Основы безопасности жизнедеятельности Основы безопасности жизнедеятельности (ОБЖ) Основы электробезопасности
Курсы в категории: Безопасность и правопорядок
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