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This document describes a maturity assessment model to evaluate the degree of responsiveness of the smart community infrastructure with different maturity levels. This document provides the assessment domain (e.g. governance infrastructure, health infrastructure), categories (e.g. availability, affordability, safety and security, quality of service), and the criteria of maturity levels to assess…

Scope 1.1 These requirements cover suspended ceiling grid low voltage/extra-low voltage systems and equipment intended for installation and use in accordance with the: a) In Canada: 1) Canadian Electrical Code, Part I, Safety Standard for Electrical Installations, CSA C22.1; b) In the United States: 1) National Electrical Code (NEC), NFPA 70. 1.2 The suspended ceiling grid low voltage/…

This document specifies design, construction, type and production testing, and marking requirements for both non-insulated cryogenic flexible hoses and insulated vacuum jacketed hoses used for the transfer of cryogenic fluids within the following range of operating conditions: —     working temperature range: from −270 °C to +65 °C; —     nominal size (DN): from 10 to 100. End fittings for…

This document deals with the likely degradation of air performance of fans tested in standardized airways according to ISO 5801 when compared with the performance of fans tested under actual site conditions. It deals with the performance of a number of generic types of fan and fittings. The results given are intended as guidelines and only provide trends, as the system effect depends on the exact…

IEC 63241-2-4:2024 supplements or modifies the corresponding clauses in IEC 63241-1, so as to convert it into the IEC Standard: Electric motor-operated tools – Dust measurement procedure - Particular requirements for hand-held sanders. Where a particular subclause of IEC 63241-1 is not mentioned in this document, that subclause applies as far as relevant. Where this document states "…

IEC 60384-8:2024 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 60384-8:2024 is applicable to fixed capacitors of ceramic dielectric with a defined temperature coefficient (…

IEC 60384-9:2024 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 60384-9:2024 is applicable to fixed capacitors of ceramic dielectric with a defined temperature coefficient (…

IEC 62382:2024 defines procedures and specifications for loop check, which comprises the activities between the completion of the loop construction (including installation and point-to-point checks) and the beginning of cold commissioning. This document is applicable for the construction of new plants and for expansion or retrofits (i.e. revamping) of electrical and instrument (E&I)…

This document specifies the conditioning of leather for physical and mechanical testing in standard atmospheres. It is applicable to all types of dry leather.

IEC 60269-3:2024 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 60269-3:2024 edition 5.0 and the previous IEC 60269-3:2010+AMD1:2013+AMD2:2019 CSV edition 4.2. Furthermore, comments from IEC SC 32B experts are provided to explain the reasons of the most relevant changes, or to…