Electrical installations for lighting and beaconing of aerodromes - Part 3-4: Safety secondary circu...
IEC 61820-3-4:2023 specifies protective provisions for the operation of lamp systems powered by series circuits in aeronautical ground lighting.
The protective provisions described here refer only to secondary supply systems for loads that are electrically separated from the series circuit.
This document specifies the level of SELV, and alternatively PELV, under consideration of additional…
Installations électriques pour l'éclairage et le balisage des aérodromes - Partie 3-4: Circuits...
L'IEC 61820-3-4:2023 spécifie des dispositions de protection pour le fonctionnement de systèmes d'éclairage alimentés par des circuits série pour le balisage aéronautique au sol.
Les dispositions de protection décrites ici se rapportent uniquement à des systèmes d'alimentation secondaires pour des charges séparées électriquement du circuit série.
Le présent document spécifie le…
Comparison of worldwide escalator and moving walk safety standards — Part 2: Abbreviated comparison ...
This document consists of a comparison of the requirements of selected topics as covered by the following worldwide safety standards (excluding local deviations):
a) Europe (CEN) – EN 115‑1:2017, Safety of escalators and moving walks — Part 1: Construction and installation;
b) North America - ASME A17.1/CSA B44:2016, Safety Code for Elevators and Escalators;
c) Japan – Safety…
Document management — Information classification, marking and handling — Part 1: Requirements
This document specifies requirements for information classification, marking and handling (ICMH). This document also defines how such information can be accessed by users, both inside and outside the organization, who own the information.
This document is applicable to, but not limited to, the following:
a) organizations of any size that create, store, share or otherwise process information;
b…
Genomics informatics — Description rules for genomic data for genetic detection products and service...
This document specifies requirements on the category definition and quality assessment of genomic data, including the content structure, attribute and description rules of data format, and the compilation rules of data format.
This document applies to all the genomic data used for human genetic detection products and services.
This document applies to genomic data processing and analysis, and to…
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -...
IEC 61300-3-4:2023 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 61300-3-4: 2022 describes the various methods available to measure the attenuation of optical components. It is…
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -...
IEC 61300-3-4: 2022 describes the various methods available to measure the attenuation of optical components. It is not, however, applicable to random mate attenuation measurements as described in IEC 61300-3-34 and IEC 61300-3-45 nor for attenuation measurements of dense wavelength division multiplexing (DWDM) devices as described in IEC 61300-3-29. This fourth edition cancels and replaces the…