Deals with general requirements for isolation, switching and control and with the requirements for selection and erection of the devices provided to fulfil such functions.
29.130.01 Switchgear and controlgear in general / Коммутационная аппаратура и аппаратура управления в целом
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
