91.140.50 Electricity. Including electric energy meters in buildings, emergency electrical supplies, etc. / Системы электроснабжения. Включая аварийное электроснабжение и т.д.
Ключевые слова:
Energy consumption|Energy conservation|Domestic electrical installations|Low-voltage equipment|Temporary electrical installations|Electric power distribution|Electric load|Low voltage|Electric power systems|Emergency electrical installations|Industrial electrical installations|Efficiency|Voltage|Low-voltage installations|Electrical installations