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IEC TR 61850-90-7:2023 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 TR 61850-90-7:2023, which is a Technical Report, describes functions for power converter-based distributed…

IEC 61196-13:2023 specifies the materials and cable construction for semi-rigid coaxial communication cables with silicon dioxide dielectric, IEC type designation, identification, marking and labelling, standard rating and characteristics, requirements of finished cables, quality assessment, delivery and storage, etc. This part of IEC 61196 applies to semi-rigid coaxial communication cables with…

This document specifies dimensional and geometrical characteristics, deviation limits from nominal sizes, and tolerance values to define the interface (except chamfers) of radial rolling bearings. Nominal boundary dimensions are defined in ISO 15, ISO 355[2] and ISO 8443[4]. This document does not apply to certain radial bearings of particular types (e.g. needle roller bearings) or for particular…

This standard applies to precast reinforced concrete sewer maintenance holes, catch basins, valve chambers and pumping stations intended for use to a maximum depth of 7 m in sanitary sewer systems, combined sewer systems, storm sewer and drinking water systems. NOTE — Even if they are not mentioned in the scope of this standard, certain elements described in this standard may be used in water…

This document specifies requirements for classification of covered electrodes, based on the all-weld metal chemical composition, the type of electrode covering and other electrode properties, and the all-weld metal mechanical properties, in the as-welded or heat-treated conditions, for manual metal arc welding of stainless and heat-resisting steels. This document is a combined standard providing…

1 Scope 1.1 Applicable equipment 1.1.1 Specific heaters This Standard applies to newly produced, direct-fired and indirect-fired construction heaters, hereinafter referred to as heaters, constructed entirely of new, unused parts and materials and primarily intended for temporary use in heating buildings or structures under construction, alteration, or repair. Products of combustion generated…

1 Scope 1.1 Inclusions This Standard covers mechanical requirements of construction, marking, and type testing requirements for oil buffers and elastomeric buffers intended to be installed in passenger and freight elevators in accordance with ASME A17.1/CSA B44. 1.2 Exclusions This Standard does not cover spring buffers or electrical components as part of the buffer assemblies. 1.3 Dual…

1 Scope 1.1 This Standard applies to extra-low-voltage landscape lighting systems and associated components that are intended for cord-connected, direct plug-in, or permanent connection to a branch circuit of not more than 150 volts-to-ground in accordance with the Canadian Electrical Code, Part I. 1.2 This Standard only covers extra-low-voltage landscape lighting systems where the maximum…

1 Scope 1.1 Inclusions This Standard applies to the following electrically driven, mechanical, vapour compression-type systems: a) factory-made commercial and industrial unitary air-cooled air conditioners and heat pumps rated above 19 kW (65 000 Btu/h) cooling capacity at standard rating conditions for both single- and three-phase electrical power supplies; b) factory-made commercial and…

1 Scope 1.1 Fire-performance and antistatic requirements This Standard specifies fire-performance and antistatic requirements for new (unused) conveyor belting for use in any part of a mining or excavation operation that is below the surface. 1.2 Types of fire-performance and antistatic conveyor belting This Standard covers fire-performance and antistatic conveyor belting of the following…