Overhead lines - Requirements and tests for Aeolian vibration dampers
IEC 61897:2020 is available as IEC 61897:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61897:2020 applies to aeolian vibration dampers intended for single conductors or earth wires or conductor bundles where dampers are directly attached to each subconductor. The purchaser may adopt…
Information technology — User interface component accessibility — Part 21: Guidance on audio descrip...
1 Scope
This part of ISO/IEC 20071 provides recommendations for describing audiovisual content in an auditory
modality for use in recorded video presentations, broadcast television, cinema, live or recorded drama,
museum and art gallery exhibits, heritage tours, news, and comedies, regardless of the language and
technology being used to transmit and present the recorded or live audiovisual…
Fibre optic active components and devices - Package and interface standards - Part 6: ATM-PON transc...
IEC 62148-6:2020 is available as IEC 62148-6:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62148-6:2020 covers the physical interface specification of optical transceivers for asynchronous transfer mode-passive optical network (ATM-PON) systems recommended by the International…
Overhead lines - Requirements and tests for spacers
IEC 61854:2020 is available as IEC 61854:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61854:2020 applies to spacers for conductor bundles of overhead lines. It covers rigid spacers, flexible spacers and spacer dampers.
It does not apply to interphase spacers, hoop spacers and…
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety ...
IEC 62841-3-9:2020 is available as IEC 62841-3-9:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62841-3-9:2020 applies to transportable mitre saws intended to be used with a toothed saw blade for cutting wood and analogous materials, plastics and nonferrous metals except magnesium…
Assessment of power quality - Characteristics of electricity supplied by public networks
IEC TS 62749:2020 is available as IEC TS 62749:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC TS 62749:2020 specifies the expected characteristics of electricity at the SUPPLY TERMINALS of public low, medium and high voltage, 50 Hz or 60 Hz, networks.
NOTE 1 The boundaries between…
Assessment of power quality - Characteristics of electricity supplied by public networks
IEC TS 62749:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC TS 62749:2020 specifies the expected characteristics of electricity at the SUPPLY TERMINALS of public low,…
Audio, video and multimedia systems - General channel assignment of multichannel audio
IEC 62574:2020 is available as IEC 62574:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62574:2020 specifies the general channel assignment and the metadata for multichannel audio format. This document, with its channel mapping and labelling content, provides the unified usage of…
Radiation protection instrumentation - Dosimetry systems with integrating passive detectors for indi...
IEC 62387:2020 is available as IEC 62387:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62387:2020 applies to all kinds of passive dosimetry systems that are used for measuring:
- the personal dose equivalent Hp(10) (for individual whole body monitoring),
- the personal dose…
Audio, video and multimedia systems - General channel assignment of multichannel audio
IEC 62574:2020 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition.
IEC 62574:2020 specifies the general channel assignment and the metadata for multichannel audio format. This document,…
