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This document provides pictorial reference standards for designating the degree of chalking of paint coatings. It also describes a method by which the degree of chalking is rated. In using this method, it is essential that care be taken to distinguish between true degradation products and adhering dirt, particularly when chalking is slight.

IEC 62631-3-2:2023 CMV contains both the official standard and its commented version. The commented version provides you with a quick and easy way to compare all the changes between IEC 62631-3-2:2023 edition 2.0 and the previous IEC 62631-3-2:2015 edition 1.0. Furthermore, comments from IEC TC 112 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…

IEC 62561-4:2023 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 62561-4:2023 deals with the requirements and tests for metallic and non-metallic conductor fasteners that are…

IEC 61095:2023 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 61095:2023 applies to electromechanical air break contactors for household and similar purposes provided with main…

This document gives a curated, factual knowledge about the past at a human scale. It specifies all information required for the exchange and integration of heterogeneous scientific and scholarly documentation about the past at a human scale and the available documented and empirical evidence for this. A more detailed and useful definition can be articulated by defining both the intended scope, a…

IEC GUIDE 120:2023 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 Guide 120:2023 provides guidelines on the security aspects included in IEC publications, and how to implement…

This document specifies a method for the determination of the flammability of aerospace materials by upward flame propagation. This test determines if a material, when exposed to a standard ignition source, will self-extinguish and not transfer burning debris which can ignite adjacent materials.

This document specifies two test methods for determining the flammability of electrical-wire insulation and accessory materials by exposure to an external ignition source in a static environment (test A) and in a gas-flow environment (test B). These tests determine if a wire insulation material, when exposed to a standard ignition source, will self-extinguish and not transfer burning debris which…

Scope 1.1 This Standard covers requirements as related to the following: a) Discrete electrical control units and accessories for fire alarm systems including smoke control, releasing, Building System Information Unit (BSIU), and emergency communication systems; b) Electrically- and electronically-operated amplifiers that provide speech communication and distinctive sounds in conjunction…

Domaine d’application 1.1 La présente norme vise les exigences relatives aux éléments suivants : a) Postes de contrôle électriques discrets et accessoires pour les systèmes d’alarme incendie, y compris le système de désenfumage, le système de déclenchement, le Building System Information Unit (BSIU) et les systèmes de communication d’urgence; b) Amplificateurs électriques et électroniques…