Power cables with extruded insulation and their accessories for rated voltages above 30 kV (U<sub...
IEC 60840:2020 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 60840:2020 specifies test methods and requirements for power cable systems, cables alone and accessories alone, for…
Liming material — Determination of neutralizing value — Titrimetric methods
This document specifies two methods for the determination of the neutralizing value (NV) of liming materials.
Method A is applicable to all liming materials except silicate liming materials.
NOTE 1 Examples of hard liming materials are limestone and dolomite. Examples of soft liming materials are chalk, marl and burnt lime.
Method B is applicable to all liming materials.
Neither method…
Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-0...
IEC 61010-2-040:2020 is available as IEC 61010-2-040:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61010-2-040:2020 specifies safety requirements for electrical equipment intended for sterilization, washing, and disinfection of medical materials in the medical, veterinary,…
DC or AC supplied electronic controlgear for LED modules - Performance requirements
IEC 62384:2020 is available as IEC 62384:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62384:2020 specifies performance requirements for electronic controlgear for use on DC or AC supplies up to 1 000 V (alternating current at 50 Hz or 60 Hz) and with an output frequency which can…
Vulcanized fibre for electrical purposes - Part 2: Methods of test
IEC 60667-2:2020 gives methods of test for vulcanized fibre sheets for electrical purposes. Material made by combining with an adhesive several thicknesses of vulcanized fibre is not covered by this document. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application is based on the actual…
Plastics — Plasticized poly(vinyl chloride) (PVC-P) moulding and extrusion materials — Part 1: Desig...
1.1 This document establishes a system of designation for plasticized PVC thermoplastic material which can be used as the basis for specifications.
1.2 The types of PVC-U plastics are differentiated from each other by a classification system based on appropriate levels of the designatory properties
a) Shore hardness,
b) density,
c) torsional-stiffness temperature at 300 MPa,
and on…
Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 1: Design ...
IEC 61969-1:2020 is available as IEC 61969-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61969-1:2020 contains design guidelines for outdoor enclosures and is applicable over a wide field of mechanical, electromechanical and electronic equipment and its installation where a…
Coaxial communication cables - Part 1-119: Electrical test methods - RF average power rating
IEC 61196-1-119:2020 is available as IEC 61196-1-119:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61196-1-119:2020 defines the requirements to determine the average power handling capability of a coaxial cable at specified frequencies at ambient temperatures. This second edition…
Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 1: Design ...
IEC 61969-1:2020 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 61969-1:2020 contains design guidelines for outdoor enclosures and is applicable over a wide field of mechanical…
Health informatics — Representation of categorial structures of terminology (CatStructure)
The purpose of this document is to
a) define a set of basic concepts required to describe formal concept representation systems, especially for health sciences,
b) describe representation of concepts and characteristics, for use especially in formal computer-based concept representation systems,
c) describe the characteristics which synthetically describe the organisation and content of a…
