#774295
From what sources should be used to power mobile electrical installations?
Варианты ответа:
  • From a source with dead-earthed neutral with the use of systems TN-S or TN-C-S
  • From a source with earthed neutral using a system of TN-S
  • From the source with dead-earthed neutral with the use of TN-S system
  • From a source with dead-earthed neutral with the use of the TN system
Тематика: Основы безопасности жизнедеятельности Основы безопасности жизнедеятельности (ОБЖ) Основы электробезопасности
Курсы в категории: Безопасность и правопорядок
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