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TC/SC Secretariat

TC 9 Electrical equipment and systems for railways
TC 21 Secondary cells and batteries
TC 21/SC 21A Secondary cells and batteries containing alkaline or other non-acid electrolytes
TC 22/SC 22H Uninterruptible power systems (UPS)
TC 23/SC 23H Plugs, Socket-outlets and Couplers for industrial and similar applications, and for Electric Vehicles
TC 23/SC 23K Electrical Energy Efficiency products
TC 32 Fuses
TC 32/SC 32A High-voltage fuses
TC 45/SC 45A Instrumentation, control and electrical power systems of nuclear facilities
TC 45/SC 45B Radiation protection instrumentation
TC 46/SC 46C Wires and symmetric cables
TC 65 Industrial-process measurement, control and automation
TC 65/SC 65C Industrial networks
TC 77/SC 77A EMC - Low frequency phenomena
TC 77/SC 77B High frequency phenomena
TC 78 Live working
TC 79 Alarm and electronic security systems
TC 86/SC 86A Fibres and cables
TC 95 Measuring relays and protection equipment
TC 121 Switchgear and controlgear and their assemblies for low voltage
TC 121/SC 121A Low-voltage switchgear and controlgear
PC 128 Operation of electrical installations