IEC/TC 7 Overhead electrical conductors
IEC/TC 10 Fluids for electrotechnical applications
IEC/TC 11 Overhead lines
IEC/TC 13 Electrical energy measurement and control
IEC/TC 14 Power transformers
IEC/TC 17 High-voltage switchgear and controlgear
IEC/TC 32 Fuses
IEC/TC 36 Insulators
IEC/TC 37 Surge arresters
IEC/TC 38 Instrument transformers
IEC/TC 42 High-voltage and high-current test techniques
IEC/TC 57 Power systems management and associated information exchange
IEC/TC 73 Short-circuit currents
IEC/TC 81 Lightning protection
IEC/TC 94 Electrical relays
IEC/TC 95 Measuring relays and protection equipment
IEC/TC 99 Insulation co-ordination and system engineering of high voltage electrical power installations above 1,0 kV AC and 1,5 kV DC
IEC/TC 109 Insulation co-ordination for low-voltage equipment
IEC/TC 112 Evaluation and qualification of electrical insulating materials and systems
IEC/TC 115 High Voltage Direct Current (HVDC) transmission for DC voltages above 100 kV
IEC/TC 122 UHV AC transmission systems
IEC/PC 127 Low-voltage auxiliary power systems for electric power plants and substations
CLC/BTTF 128-2 Erection and operation of electrical test equipment
CLC/SR 10 Fluids for electrotechnical applications
CLC/SR 32 Fuses
CLC/SR 32A High-voltage fuses
CLC/SR 32B Low-voltage fuses
CLC/SR 32C Miniature fuses
CLC/SR 36 Insulators
CLC/SR 37 Surge arresters
CLC/SR 42 High-voltage and high-current test techniques
CLC/SR 73 Short-circuit currents
CLC/SR 94 All-or-nothing electrical relays
CLC/SR 109 Insulation co-ordination for low-voltage equipment
CLC/SR 112 Evaluation and qualification of electrical insulating materials and systems (to be defined)
CLC/SR 122 UHV AC transmission systems
CLC/TC 7X Overhead electrical conductors
CLC/TC 11 Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.)
CLC/TC 13 Electrical energy measurement and control
CLC/TC 14 Power transformers
CLC/TC 17AC High-voltage switchgear and controlgear
CLC/TC 36A Insulated bushings
CLC/TC 38 Instrument transformers
CLC/TC 57 Power system management and associated information exchange
CLC/TC 81 Reporting Secretariat SR 81
CLC/TC 81X Lightning protection
CLC/TC 95X Measuring relays and protection equipment
CLC/TC 99X Power installations exceeding 1 kV a.c. (1,5 kV d.c.)
CLC/TC 219 Mains communicating systems
* Some activities of this TC correspond to other AEN/CTN.
