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IEC 61591:2023 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 61591:2023 edition 3.0 and the previous IEC 61591:2019 edition 2.0. Furthermore, comments from IEC SC 59K experts are provided to explain the reasons of the most relevant changes, or to clarify any part of the content…

This document provides an overview of ISO 9241 software ergonomic standards in the form of executive summaries of these standards, in particular the parts in the ISO 9241-1XX family of documents. In addition, it provides executive summaries for ISO 9241-11, ISO 9241-210 and ISO 9241-220, which have specific relevance to the design of software-based interactive systems. This document is intended…

IEC 60350-1:2023 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 60350-1:2023 specifies methods for measuring the performance of electric cooking ranges, ovens, steam ovens, and…

IEC 61156-1:2023 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 61156-1:2023 specifies the definitions, requirements and test methods of multicore, symmetrical pair and quad…

This document defines the activities related to refrigerating systems according to ISO 5149‑1, ISO 5149‑2, ISO 5149‑3 and ISO 5149‑4 and other equivalent standards, such as EN 378‑1, EN 378‑2, EN 378‑3, EN 378‑4 and the associated competence profiles. It also establishes the competence criteria for persons who carry out these activities. Activities concerning electricity are excluded. NOTE 1   As…

1 Scope 1.1 General This Standard covers polyethylene (PE) pipe and tubing, and fittings for use in transporting potable or non-potable water, or other applications such as wastewater forcemains, reclaimed water, conduit, golf or commercial irrigation, or water-based ground source geothermal systems, in either buried or above- ground installations. 1.2 Requirements This Standard specifies…

1 Scope 1.1 General This Standard covers rigid polyvinylchloride (PVC) injection-moulded fittings that have gasketed joints and are intended for use in pressure applications such as water mains, water service piping, process piping, and fire lines. Fittings covered by this Standard are suitable for use with PVC pipes having outside diameter dimensions of cast iron pipe. Only one pressure rating…

1 Scope 1.1 General This Standard covers molecularly oriented polyvinylchloride (PVCO) pipe intended for use in pressure applications such as water mains, sewer force mains, and process piping. Note: This Standard does not address chemical compatibility between PVCO pipe and process fluids. Where PVCO pipe is to be used in non-water applications, the manufacturer should be consulted. 1.2…

1 Scope 1.1 General This Standard covers rigid polyvinylchloride (PVC) pipe and fittings intended for use in pressure applications such as water mains, water service piping, and process piping. The fittings covered by this Standard include moulded, solvent-cemented, gasketed, or threaded fittings, and fittings that have been fabricated for use with any joining method. Notes: 1) Where PVC…

1 Scope 1.1 General This Standard covers socket- and saddle-type polyethylene (PE) electrofusion fittings that are used to join PE pipe where the heat source is an integral part of the fitting. Note: Fittings covered by this Standard are connected to an electrical power source during the fusion process. Power sources, cables, and electrical connections are covered by the Canadian Electrical…