International Standards and Conformity Assessment for all electrical, electronic and related technologies

Austrian National Committee



TC/SC Membership

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Work programme
BTTF 62-3Operation of electrical installations3 
BTTF 69-3Road traffic signal systems41
BTWG 101-5Usability and safety of electrical products with reference to people with special needs1 
BTTF 116-2Alcohol interlocks51
BTTF 128-2Erection and operation of electrical test equipment1 
BTWG 128-3BT efficiency1 
BTTF 129-1Thermal resistant aluminium alloy wire for overhead line conductor1 
BTTF 132-1Aluminium conductors steel supported (ACSS type) for overhead electrical lines1 
BTTF 132-2Revision of EN 50156 "Electrical equipment for furnaces and ancillary equipment"12
BTTF 133-1Sound systems for emergency purposes which are not part of fire detection and alarm systems 1
BTWG 138-1CENELEC/BT action plan  
SR 1Terminology  
TC 2Rotating machinery557
SR 3Information structures, documentation and graphical symbols212
SR 3CGraphical symbols for use on equipment4 
SR 3DProduct properties and classes and their identification62
SR 4Hydraulic turbines141
SR 5Steam turbines6 
TC 7XOverhead electrical conductors121
TC 8XSystem aspects of electrical energy supply183
TC 9XElectrical and electronic applications for railways3920
TC 11Overhead electrical lines exceeding 1 kV a.c. (1,5 kV d.c.)13 
TC 13Equipment for electrical energy measurement and load control4414
TC 14Power transformers557
SR 15Solid electrical insulating materials1954
SR 16Basic and safety principles for man-machine interface, marking and identification5 
SR 17Switchgear and controlgear  
TC 17ACHigh-voltage switchgear and controlgear546
TC 17BLow-voltage switchgear and controlgear554
SR 17BLow-voltage switchgear and controlgear  
SR 17DLow-voltage switchgear and controlgear assemblies222
SR 18AElectric cables for ships and mobile and fixed offshore units  
TC 18XElectrical installations of ships and of mobile and fixed offshore units12
TC 20Electric cables21617
TC 21XSecondary cells and batteries5110
TC 22XPower electronics5622
SR 23Electrical accessories4 
TC 23BXSwitches, boxes and enclosures for household and similar purposes, plugs and socket outlets for d.c. and for the charging of electrical vehicles including their connectors417
SR 23BPlugs, socket-outlets and switches  
TC 23ECircuit breakers and similar devices for household and similar applications509
SR 23GAppliance couplers92
SR 23HIndustrial plugs and socket-outlets3 
SR 23JSwitches for appliances16 
SR 25Quantities and units211
TC 26AElectric arc welding equipment221
TC 26BElectric resistance welding32
SR 27Industrial electroheating and electromagnetic processing322
SR 28Insulation co-ordination31
TC 31Electrical apparatus for potentially explosive atmospheres3413
SR 31GIntrinsically-safe apparatus  
SR 32Fuses  
SR 32AHigh-voltage fuses41
SR 32BLow-voltage fuses101
SR 32CMiniature fuses193
SR 33Power capacitors and their applications346
SR 34BLamp caps and holders  
SR 34CAuxiliaries for lamps  
TC 34ZLuminaires and associated equipment26233
SR 35Primary cells and batteries71
SR 36Insulators7 
TC 36AInsulated bushings103
SR 36BInsulators for overhead lines15 
SR 36CInsulators for substations81
SR 37Surge arresters92
TC 37ALow voltage surge protective devices132
SR 37BSpecific components for surge arresters and surge protective devices6 
TC 38Instrument transformers155
SR 40Capacitors and resistors for electronic equipment455
TC 40XACapacitors and EMI suppression components11411
TC 40XBResistors424
SR 42High-voltage testing techniques112
TC 44XSafety of machinery: electrotechnical aspects211
TC 45AXInstrumentation, control and electrical systems of nuclear facilities134
TC 45BRadiation protection instrumentation214
SR 46FRF and microwave passive components2247
TC 46XCommunication cables9611
SR 47Semiconductor devices693
SR 47AIntegrated circuits461
SR 47DMechanical standardization of semiconductor devices252
SR 47EDiscrete semiconductor devices19 
SR 47FMicro-electromechanical systems126
SR 48Electromechanical components and mechanical structures for electronic equipment  
SR 48BConnectors2224
SR 48DMechanical structures for electronic equipment341
SR 49Piezoelectric and dielectric devices for frequency control and selection688
SR 51Magnetic components and ferrite materials70 
TC 55Winding wires1526
SR 56Dependability433
TC 57Power systems management and associated information exchange8413
TC 59XPerformance of household and similar electrical appliances7531
TC 61Safety of household and similar electrical appliances32091
TC 62Electrical equipment in medical practice15048
TC 64Electrical installations and protection against electric shock6113
TC 65XIndustrial-process measurement, control and automation23454
SR 66Safety of measuring, control, and laboratory equipment196
SR 68Magnetic alloys and steels122
TC 69XElectrical systems for electric road vehicles64
SR 70Degrees of protection provided by enclosures7 
TC 72Automatic controls for household use4810
SR 73Short-circuit currents6 
TC 76Optical radiation safety and laser equipment151
TC 78Equipment and tools for live working559
TC 79Alarm systems10216
SR 80Maritime navigation and radiocommunication equipment and systems414
TC 81XLightning protection231
TC 82Solar photovoltaic energy systems4915
SR 86Fibre optics151
TC 86AOptical fibres and optical fibre cables8819
TC 86BXAFibre optic interconnect, passive and connectorised components29042
SR 86CFibre optic systems and active devices8014
SR 87Ultrasonics241
TC 88Wind turbines216
SR 89Fire hazard testing3210
SR 90Superconductivity25 
SR 91Electronics assembly technology1349
SR 94All-or-nothing electrical relays11
SR 96Transformers, reactors, power supply units, and combinations thereof251
TC 97Electrical installations for lighting and beaconing of aerodromes9 
SR 97Electrical installations for lighting and beaconing of aerodromes  
TC 99XPower installations exceeding 1 kV a.c. (1,5 kV d.c.)31
TC 100XAudio, video and multimedia systems and equipment and related sub-systems8522
SR 101Electrostatics124
SR 103Transmitting equipment for radiocommunication202
SR 104Environmental conditions, classification and methods of test836
SR 105Fuel cell technologies182
TC 106XElectromagnetic fields in the human environment384
SR 107Process management for avionics  
TC 108XSafety of electronic equipment within the fields of Audio/Video, Information Technology and Communication Technology275
SR 109Insulation co-ordination for low-voltage equipment5 
SR 110Flat panel display devices71 
TC 111XEnvironment1011
SR 112Evaluation and qualification of electrical insulating materials and systems (to be defined)412
SR 113Nanotechnology standardization for electrical and electronics products and systems 1
SR 114Marine energy - Wave and tidal energy converters  
SR 115High Voltage Direct Current (HVDC) Transmission for DC voltages above 100kV (Provisional)  
TC 116Safety of motor-operated electric tools6531
SR 117Solar thermal electric plants  
TC 204Safety of electrostatic painting and finishing equipment2 
TC 205Home and Building Electronic Systems (HBES)275
TC 209Cable networks for television signals, sound signals and interactive services3013
TC 210Electromagnetic Compatibility (EMC)14235
TC 213Cable management systems274
TC 215Electrotechnical aspects of telecommunication equipment388
TC 216Gas detectors181
TC 2CEN/CENELEC Joint Technical Group Power Engineering38