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IEC 61753-131-03:2021 contains the minimum tests, test severities and measurement requirements which a mechanical fibre splice need to satisfy in order to be categorised as meeting the requirements of single-mode fibre splice for use in category OP (Outdoor protected) environments, as defined in IEC 61753-1. This document for mechanical splices defines the requirements for standard optical…

IEC 62271-1:2017+A1:2021 applies to AC switchgear and controlgear designed for indoor and/or outdoor installation and for operation at service frequencies up to and including 60 Hz and having rated voltages above 1 000 V. This document applies to all high-voltage switchgear and controlgear except as otherwise specified in the relevant IEC standards for the particular type of switchgear and…

This document provides a list of basic information attributes for the OMEs: —    examples of information attributes are given; —    standards that can define these information attributes are discussed in Annex A.

IEC 62999:2016+A1:2021 applies to electrical underfloor heating of dwellings and all other buildings whose use corresponds to dwellings or is at least similar, having a maximum load bearing in use of 4 kN/m2. This Standard defines the main characteristics of electrical underfloor heating and establishes the method of testing of these characteristics as information for the user. This Standard does…

1 Scope This part of IEC 61800, which is a product standard, specifies requirements and makes recommendations for the design and development, integration and validation of safety related power drive systems (PDS(SR)) in terms of their functional safety considerations. It applies to adjustable speed electrical power drive systems covered by the other parts of the IEC 61800 series of standards…

1 Scope 1.1 This Standard specifies requirements for deformed and plain round steel bars for concrete reinforcement that can be furnished in cut lengths or in coils. 1.2 Two Types of bars are covered by this Standard: a) Type R — Intended for general applications. The R designation is used for specifying, ordering, and communication only, and is not rolled onto the deformed bar. b) Type W…

1 Scope 1.1 The CSA O80 Series of Standards specifies requirements related to the preservation and fire retardance of wood through chemical treatment (pressure and thermal impregnation). The subjects covered include materials and their analysis, pressure and thermal impregnation procedures, and fabrication and installation to put treated wood into service. 1.2 This Standard lists reference…

1 Scope 1.1 This Standard covers two-phase refrigerant compression-type refrigeration appliances for household use included within the scope of the U.S. Department of the Energy (DoE) and Canadian Federal Energy Efficiency Regulations minimum energy performance requirements. This includes the following product categories: (a) refrigerators; (b) refrigerator-freezers; (c) chest and upright…

1 Scope 1.1 General This Standard specifies special requirements for the durability aspects of the design and construction of new parking structures and parts of buildings subject to vehicular traffic. This includes pedestrian traffic areas adjoining to or contained within parking structures. These include areas such as stairs, and pedestrian bridges from parking structures. The application…

1 Scope 1.1 This Standard specifies minimum design and material requirements as well as manufacturing practices and markings for prefabricated septic tanks, sewage holding tanks, and effluent chambers made of a) steel; b) concrete; c) fibreglass-reinforced plastic (FRP); d) reaction-injection moulded thermosets; and e) polyvinylchloride (PVC), polypropylene (PP), polyethylene (PE), or…