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1 Scope 1.1 Equipment within scope Except as indicated in Clause 1.2, this Standard applies to all pressure equipment including a) boilers, pressure vessels, pressure piping, and fittings, as provided for by the Act (as defined in Clause 3) and identified in this Standard; and b) compressed natural gas and hydrogen refuelling station pressure piping systems and storage pressure vessels.…

1 Scope 1.1 Classification This Standard applies to exit signs, unit equipment, emergency luminaires, and central power systems intended for connection to circuits with nominal voltages of 600 V and less, and providing illumination in the event of a failure of the normal power supply for non-hazardous locations in accordance with the Canadian Electrical Code, Part I. 1.2 Application This…

Scope 1.1 General This Standard covers the interaction of devices using power over Ethernet (PoE) technology systems up to 90 W of power over Cat cables. The systems consist of control units [power sensing equipment (PSE)] using category cabling to provide power to powered devices (PD) such as lighting, switches, VOIP phones, WAP, RFID readers, proximity sensors, cameras, etc. Power over…

1 Scope 1.1 Object This Standard provides a method for measuring fireplace, steady-state, and radiant efficiency. 1.2 Appliances included in scope This Standard applies to vented gas fireplaces meeting the requirements of ANSI Z21.50 • CSA 2.22 and to vented gas fireplace heaters meeting the requirements of CSA/ANSI Z21.88 • CSA 2.33 that use natural gas or propane. 1.3 Appliances excluded…

1 Scope and application 1.1 General This Standard provides rules and requirements for the design, fabrication, and erection of a broad range of steel structures based on limit states design approach. The term “steel structures” refers to structural members and frames that consist primarily of structural steel components, including structural steel acting compositely with concrete, and detail…

1 Scope 1.1 General This Standard specifies requirements for the structural design of unreinforced, reinforced, and prefabricated masonry structures and components in accordance with the limit states design method of the National Building Code of Canada. This Standard also provides requirements for the structural design of prestressed masonry beams, walls, and columns in accordance with the…

1 Scope 1.1 General This Standard sets out the minimum requirements for a workplace first aid training program, and provides guidance on the curriculum and quality management for first aid training agencies. 1.2 Inclusions This Standard specifies the minimum requirements and guidance for a workplace first aid training program, and applies to a) program design and development; b)…

IEC 61439-3:2024 defines the specific requirements for distribution boards intended to be operated by ordinary persons (abbreviated DBO throughout this document, see 3.1.101) as follows: - assemblies intended to be operated by ordinary persons (e.g. switching operations and replacing fuse-links), e.g. in domestic (household) applications; - assemblies containing outgoing circuits with…

IEC 61439-3:2024 EXV contains both the international standard and its extended version (EXV). This extended version of the official IEC Standard is available in English only and provides the user with a comprehensive content of the Standard. IEC 61439-3:2024 EXV includes the content of the references made to IEC 61439-1:2020. IEC 61439-3:2024 defines the specific requirements for distribution…

IEC 61439-3:2024 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 61439-3:2024 edition 2.0 and the previous IEC 61439-3:2012 edition 1.0. Furthermore, comments from IEC TC SC 121 experts are provided to explain the reasons of the most relevant changes, or to clarify any part of…