Optical fibre cables - Shrinkage effects on cable and cable element end termination - Guidance
IEC TR 62959:2021 which is a Technical Report, provides information on cable shrinkage characterisation of optical fibre cables that consist of standard glass optical fibres for telecommunication application. The characterisation is directed to the effects of cable shrinkage or cable element shrinkage on the termination of cables. Shrinkage can or cannot be a concern depending on the method of…
Fire resistance tests — Door and shutter assemblies — Part 4: Linear joint fire seal materials used ...
This document specifies a standard test methodology and resulting field of direct application which are applicable to linear joint fire seal materials used to seal around fire door sets which have been tested in accordance with ISO 3008‑1.
The test methodology described in this document uses a smaller-scale fire resistance furnace than that prescribed in ISO 3008‑1.
Thermocouples - Part 3: Extension and compensating cables - Tolerances and identification system
IEC 60584-3:2021 It is necessary for thermocouple temperature measurement that the electro-motive force (abbreviated as e.m.f. hereafter) of the thermocouple circuit is precisely measured by a measuring instrument. A thermocouple is electrically connected to the instrument by a proper pair of electric cables. IEC 60584-3:2021 standardizes these cables. It specifies identification and…
Maritime navigation and radiocommunication equipment and systems - Integrated navigation systems (IN...
IEC 61924-2:2021 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 61924-2:2021 specifies the minimum requirements for the design, manufacture, integration, methods of testing and…
Ships and marine technology — Pressure-vacuum valves for cargo tanks and devices to prevent the pass...
This document is applicable to pressure-vacuum valves and to devices to prevent the passage of flame, both protecting cargo tanks, that can be subject to explosive gas/vapour and/or to gas/vapour pressure or vacuum beyond the design parameters of the system/tank. It specifies the minimum requirements for performance and testing. It also specifies design and in-service performance criteria,…
Hose and Hose Assemblies for Dispensing Flammable and Combustible Liquids
1.1 This Standard sets forth minimum requirements for hose and hose assemblies, including vapor
recovery hose and assemblies, for use on dispensing devices for flammable and combustible liquids. A
hose assembly consists of flexible hose and fittings suitable for attachment to flammable and combustible
liquid dispensing equipment.
1.2 Hose assemblies are intended for use:
a) In the United…
Tuyaux flexibles et tuyaux flexibles à raccords pour liquides inflammables et combustibles
1.1 La présente norme énonce les exigences minimales relatives aux tuyaux flexibles et tuyaux flexibles
à raccords, y compris les tuyaux flexibles et tuyaux flexibles à raccords de récupération de la vapeur, à
utiliser dans des appareils de distribution de liquides inflammables et combustibles. Un tuyau flexible à
raccords se compose d’un tuyau flexible et de raccords adaptés pour être fixés à…
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures -...
IEC 61300-2-14:2021 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 61300-2-14:2021 describes a procedure for determining the suitability of a fibre optic interconnecting device…
Guidance on the selection, use, care and maintenance of personal protective equipment (PPE) designed...
This document sets out guidance for the selection, use, care and maintenance of PPE designed to provide protection for firefighters while carrying out their duties.
The PPE covered in this document is intended for firefighting personnel exposed to risks associated with but not necessarily limited to the following activities:
— structural firefighting;
— wildland firefighting;
—…
Plastics — Homopolymer and copolymer resins of vinyl chloride — Part 1: Designation system and basis...
1.1 This document establishes a system of designation for vinyl chloride thermoplastic resins which can be used as the basis for specifications.
1.2 The types of vinyl chloride plastics are differentiated from each other by a classification system based on appropriate levels of the designatory properties:
a) reduced viscosity;
b) apparent density;
c) retention on a 63 µm mesh sieve;
d)…