Paints and varnishes — Standard panels for testing
This document specifies several types of standard panels and provides guidance and requirements on the procedures for their preparation prior to painting. The standard panels described in this document are intended for use in general methods of test for paints, varnishes and related products.
Dielectric and resistive properties of solid insulating materials - Part 3-12: Determination of resi...
IEC 62631-3-12:2024 specifies a method of test for the determination of volume resistance and volume resistivity of electrical insulation materials by applying a DC voltage. It covers casting resins described in IEC 60455-3-1, IEC 60455-3-2, IEC 60455-3-3, IEC 60455-3-4, IEC 60455-3-8 and similar products.
For other specific types of materials, other standards or the general method described in…
Single-phase and three-phase liquid-filled distribution transformers
1 Scope
1.1 Inclusions
This Standard specifies the requirements for distribution transformers except for those distribution transformers covered by CSA C2.2, CSA C227.3, and CSA C227.4.
Note: The operation of transformers complying with this Standard by other than an electric utility might be subject to additional requirements by the electrical inspection authority having jurisdiction.
1.2…
Benchmark energy factor (BEF) assessment for wastewater treatment facilities
1 Scope
1.1 Inclusions
This Standard provides requirements for benchmark energy factor (BEF) assessment intended for wastewater treatment (WWT) facilities with the following characteristics:
a)
continuous systems operating with primary, secondary, and disinfection treatment stages;
b)
average daily wastewater flows >2.3 million L per day (MLD);
c)
average influent biochemical oxygen…
Smart cities — Guidance to establishing a decision-making framework for sharing data and information...
This standard gives guidance on establishing a decision-making framework for sharing data and information services in smart cities.
It covers:
a)Â Â Â Â Â Â types of data in smart cities;
b)Â Â Â Â Â Â establishing a data sharing culture;
c)      data value chain – roles and responsibilities;
d)Â Â Â Â Â Â purposes for data use;
e)Â Â Â Â Â Â assessing data states;
f)Â Â Â Â Â Â Â defining access rights for data; and
g…
Electric cables - Calculation of the current rating - Part 2-3: Thermal resistance - Cables installe...
IEC 60287-2-3:2024 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 60287-2-3:2024 describes a method for calculating the continuous current rating factor for cables of all…
Smart cities - Guidance to establishing a decision-making framework for sharing data and information...
This standard gives guidance on establishing a decision-making framework for sharing data and information services in smart cities.
It covers:
a) types of data in smart cities;
b) establishing a data sharing culture;
c) data value chain – roles and responsibilities;
d) purposes for data use;
e) assessing data states;
f) defining access rights for data; and
g…
High-voltage switchgear and controlgear - Part 200: AC metal-enclosed switchgear and controlgear for...
IEC 62271-200:2021+AMD1:2024 CSV is applicable to prefabricated metal‑enclosed switchgear and controlgear assemblies designed for:
- alternating current;
- rated voltages above 1 kV and up to and including 52 kV;
- service frequencies up to and including 60 Hz;
- indoor and outdoor installation.
The assembly can include air-insulated and/or fluid-filled compartments.
This third edition…
Ships and marine technology — Design and testing of marine transfer arms for liquefied hydrogen
This document specifies the design, minimum safety requirements, and inspection and testing procedures for liquefied hydrogen (LH2) marine transfer arms intended for use at onshore LH2 terminals handling LH2 carriers. It also covers the minimum requirements for safe LH2 transfer between ship and shore.
Although the requirements for power/control systems are covered, this document does not include…
Fixed capacitors for use in electronic equipment - Part 21: Sectional specification - Fixed surface ...
IEC 60384-21:2024 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 60384-21:2024 edition 4.0 and the previous IEC 60384-21:2019 edition 3.0. Furthermore, comments from IEC TC 40 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the…