Electricity metering (a.c.) - Tariff and load control -- Part 11: Particular requirements for electronic ripple control receivers ( IEC 62054-11:2004 + A1:2016) (english version)
91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
