Sound system equipment - Part 21: Acoustical (output-based) measurements

Sound system equipment - Part 22: Electrical and mechanical measurements on transducers

Sound system equipment - Part 23: TVs and monitors - Loudspeaker systems

Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics

Sound system equipment - Part 3: Amplifiers

Sound system equipment - Part 4: Microphones

Sound system equipment - Part 5: Loudspeakers

Sound system equipment. Part 6: Auxiliary passive elements

Sound system equipment - Part 7: Headphones and earphones

Sound system equipment. Part 8: Automatic gain control devices

Sound system equipment. Part 9: Artificial reverberation, time delay and frequency shift equipment

Low-voltage fuses - Part 2: Supplementary requirements for fuses for use by authorized persons (fuses mainly for industrial application) - Examples of standardized systems of fuses A to K

Low-voltage fuses - Part 3: Supplementary requirements for fuses for operation by unskilled persons (fuses mainly for household and similar applications) - Examples of standardized systems of fuses A to F

Low-voltage fuses - Part 4: Supplementary requirements for fuse-links for the protection of semiconductor devices

Low-voltage fuses - Part 6: Supplementary requirements for fuse-links for the protection of solar photovoltaic energy systems

Low-voltage fuses - Part 7: Supplementary requirements for fuse-links for the protection of batteries and battery systems

High-voltage test techniques – Charge-based measurement of partial discharges

Characteristic of indoor and outdoor post insulators for systems with nominal voltages greater than 1000 V

Carbon brushes, brush holders, commutators and slip-rings - Definitions and nomenclature

High-voltage fuses - Part 1: Current-limiting fuses

High-voltage fuses - Part 2: Expulsion fuses

High-voltage fuses - Part 4: Additional testing requirements for high-voltage expulsion fuses utilizing polymeric insulators

Packaging of components for automatic handling - Part 2: Tape packaging of components with unidirectional leads on continuous tapes

Packaging of components for automatic handling - Part 3: Packaging of surface mount components on continuous tapes

Packaging of components for automatic handling - Part 5: Matrix trays