Flexible Connector Piping for Flammable and Combustible Liquids
Scope
1.1 This Standard sets forth the minimum requirements for cover primary, secondary, and coaxial types
of flexible connector pipes intended for short length transfer and containment of the specific flammable
and combustible liquids (or vapors thereof) identified in this Standard, at commercial (public) or fleet
(private) automotive motor vehicle fueling stations or similar fuel…
Tuyaux de raccordement flexibles pour liquides inflammables et combustibles
Domaine d’application
1.1 La présente norme fournit les exigences minimums pour les types principaux, secondaires et
coaxiaux de tuyaux de raccordement flexibles destinés au transfert et à la rétention sur de courtes
distances de liquides (ou vapeurs) inflammables et combustibles spécifiques, comme décrit dans la
présente norme, dans les postes de ravitaillement commerciaux (publics) ou de…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 is available as IEC 61439-4:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does not exceed 1 000 V in case of AC or 1 500 V in case of DC;
- assemblies where the…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 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 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
IEC 61439-4:2023 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61439-4:2023 EXV includes the content of the references made to IEC 61439-1:2020.
IEC 61439-4:2023 defines the specific requirements of ACS as follows…
Low-voltage switchgear and controlgear assemblies - Part 4: Particular requirements for assemblies f...
This pack contains IEC 61439-4:2023 EXV and IEC 61439-4:2023 RLV.
IEC 61439-4:2023 defines the specific requirements of ACS as follows:
- assemblies for which the rated voltage does not exceed 1 000 V in case of AC or 1 500 V in case of DC;
- assemblies where the nominal primary voltage and the nominal secondary voltage of transformers incorporated in ACS are within the limits specified…
Biometrics — Cross-jurisdictional and societal aspects of biometrics — General guidance
This document gives general guidance for the stages in the life cycle of a system’s biometric and associated elements. This covers the following:
— the capture and design of initial requirements, including legal frameworks;
— development and deployment;
— operations, including enrolment and subsequent usage;
— interrelationships with other systems;
— related data storage and…
Biometrics - Cross-jurisdictional and societal aspects of biometrics - General guidance
This document gives general guidance for the stages in the life cycle of a system’s biometric and associated elements. This covers the following:
— the capture and design of initial requirements, including legal frameworks;
— development and deployment;
— operations, including enrolment and subsequent usage;
— interrelationships with other systems;
— related data storage and…
Systems and software engineering — Engineering and management of websites for systems, software and ...
This document defines system engineering and management requirements for the life cycle of websites, including strategy, design, engineering, testing and validation, and management and sustainment for intranet and extranet environments. This document applies to those using web technology to present information and communications technology (ICT) information, such as information for users of…
Systems and software engineering - Engineering and management of websites for systems, software and ...
This document defines system engineering and management requirements for the life cycle of websites, including strategy, design, engineering, testing and validation, and management and sustainment for intranet and extranet environments. This document applies to those using web technology to present information and communications technology (ICT) information, such as information for users of…
