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This document specifies the physical and mechanical properties of fittings made from unplasticized polyamide (PA-U) in accordance with ISO 16486-1, intended to be buried and used for the supply of gaseous fuels. It also specifies the test parameters for the test methods to which it refers. The ISO 16486 series is applicable to PA-U piping systems, the components of which are connected by fusion…

1 Scope Replacement This part of IEC 61558 deals with the safety of safety isolating transformers for general applications and power supply units incorporating safety isolating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified…

1 Scope 1.1 General This Code specifies objective-based requirements for system interoperability and for the safety, security, and privacy of persons and/or property against vulnerabilities of an intelligent building system (IBS) network. This Code also specifies requirements for resource efficiency and indoor air quality. This Code outlines operational requirements for IBS networks in…

1 Domaine d’application 1.1 Généralités Le présent code définit des exigences fondées sur des objectifs pour l’interopérabilité des systèmes ainsi que pour la sûreté, la sécurité et la protection de la vie privée des personnes et/ou des biens contre les vulnérabilités d’un réseau de systèmes de bâtiments intelligents (IBS). Le présent code précise également les exigences relatives à l’…

1 Scope Replacement: This part of IEC 61558 deals with the safety of auto-transformers for general applications and power supply units incorporating auto-transformers for general applications. Transformers incorporating electronic circuits are also covered by this document. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified, from here onward, the…

1 Scope Replacement: This part of IEC 61558 deals with the safety of control transformers and power supply units incorporating control transformers. Transformers incorporating electronic circuits are also covered by this document. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified, from here onward, the term transformer covers control transformers…

1 Scope Replacement This part of IEC 61558 deals with the safety of separating transformers for general applications and power supply units incorporating separating transformers for general applications. Transformers incorporating electronic circuits are also covered by this document. NOTE 1 Safety includes electrical, thermal and mechanical aspects. Unless otherwise specified, from here…

1 Scope 1.1 Service fluids This Standard applies to liquid and gaseous energy systems that convey a) liquid hydrocarbons, including crude oil, multiphase fluids, condensate, and liquid petroleum products; b) natural gas liquids and liquefied petroleum gas; c) oilfield water; d) oilfield steam; e) liquid or dense phase carbon dioxide; or f) gas, including but not limited to natural…

1 Scope 1.1 The requirements of this Standard apply to manually operated, general-use snap switches and modular switch assembly for connection to copper (Cu) or copper-clad conductors used in accordance with the National Electrical Code (NEC), NFPA 70, the Canadian Electrical Code (CE Code), Part I, or NOM-001-SEDE and intended to be permanently connected in accordance with the NOM-001-SEDE…

1 Scope 1.1 This Standard applies to encapsulated isolating transformers for use as a circuit continuity device, intended to be installed in airport field lighting series circuits for use in nonhazardous locations in accordance with the Canadian Electrical Code, Part I. 1.2 This Standard applies to transformers that consist of electrically separated primary and secondary coils that are wound…