IEC 81346-2:2019 establishes classification schemes with defined object classes and their associated letter codes, and is primarily intended for use in reference designations and for designation of generic types. The classification schemes are applicable for objects in all technical disciplines and all branches of industry. IEC 81346-2:2019 is a horizontal publication also intended for for use by technical committees in preparation of publications related to reference designations in accordance with the principles laid down in IEC Guide 108. IEC 81346-2:2019 cancels and replaces the first edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The entry classes of the classification scheme have been defined to reflect the “inherent function” of the object classified; b) The classes are defined to align with the principles of ISO 22274 and ISO 704; c) A three-level classification scheme has been defined, which provides a greater flexibility for the designer in some technical fields; d) Classes are defined by their definition and provided with a preferred term. Examples are provided if needed; e) A separate classification scheme for spaces has been provided.

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  • Standard
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This part of IEC 81346, published jointly by IEC and ISO, establishes general principles for the structuring of systems including structuring of the information about systems. Based on these principles, rules and guidance are given for the formulation of unambiguous reference designations for objects in any system. The reference designation identifies objects for the purpose of creation and retrieval of information about an object, and where realized about its corresponding component. A reference designation labelled at a component is the key to find information about that object among different kinds of documents. The principles are general and are applicable to all technical areas (for example mechanical engineering, electrical engineering, construction engineering, process engineering). They can be used for systems based on different technologies or for systems combining several technologies. This document is also a horizontal publication intended for use by technical committees in preparation of publications related to reference designations in accordance with the principles laid down in IEC Guide 108.

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IEC 60445:2021 is available as IEC 60445:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60445:2021 applies to the identification and marking of terminals of electrical equipment such as resistors, fuses, relays, contactors, transformers, rotating machines and, wherever applicable, to combinations of such equipment (e.g. assemblies), and also applies to the identification of terminations of certain designated conductors. It also provides general rules for the use of certain colours or alphanumeric notations to identify conductors with the aim of avoiding ambiguity and ensuring safe operation. These conductor colours or alphanumeric notations are intended to be applied in cables or cores, busbars, electrical equipment and installations. This basic safety publication is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and ISO/IEC Guide 51. It has the status of a basic safety publication in accordance with IEC Guide 104. IEC 60445:2021 cancels and replaces the sixth edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) the definitions have been aligned with IEC 60050-195:2021 and IEC 60050-826; b) the provisions for colour to be used for identification of certain designated conductors are made requirements and not only recommendations; c) introduction of a new subclause on marking of protective terminals for multiple power supply inputs on equipment.

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This document specifies methods and rules for the designation of phase difference between two items in a three-phase AC system. The designations are intended to be applied in the technical documentation of industrial installations, equipment, and products, and also on markings of equipment and products.

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This document specifies letter codes for designation of colours and provides rules for their combination to designate colour combinations. The letter codes are intended to be applied in the technical documentation of electrical installations, electrical equipment and products, and in markings of electrical equipment and products. This basic safety publication focusing on safety essential requirements is primarily intended for use by technical committees in the preparation of safety publications in accordance with the principles laid down in IEC Guide 104 and ISO/IEC Guide 51. It is not intended for use by manufacturers or certification bodies. One of the responsibilities of a technical committee is, wherever applicable, to make use of basic safety publications in the preparation of its publications. The requirements of this basic safety publication will not apply unless specifically referred to or included in the relevant publications. This document does not specify any requirements for the encoding of colour properties, nor for their visual representation. Such requirements are under the responsibility of the different technical committees.

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IEC 61360-1:2017 specifies principles for the definition of the properties and associated attributes and explains the methods for representing verbally defined concepts with appropriate data constructs available from IEC 61360-2. It also specifies principles for establishing a hierarchy of classification from a collection of classes, each of which represents a technical concept in the electrotechnical domain or a domain related to electrotechnology. This fourth edition cancels and replaces the third edition published in 2009. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - support of advanced constructs such as · conditions and constraints, · blocks, · cardinality, · polymorphism, · generic and restricted enumerations, and · mapping; - extended list of data types; - harmonization with IEC 62656-1; - support of IEC TS 62720 and of coded units; - harmonization of semantic and administrative data among the various information objects; - use of UML for data modelling; - enhanced definitions and descriptions; - introduction of examples of higher level constructs such as block, cardinality, or polymorphism as guidance for the user of the IEC 61360 series.

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IEC 62569-1:2017 specifies several qualifiers to be used with object or (dictionary) properties and their values indicating life cycle and other aspects of the property. It is a prerequisite for the usage of the other parts of IEC 62569. This first edition cancels and replaces IEC PAS 62569-1:2009. This edition constitutes a technical revision.

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IEC 62656-8:2020 specifies a web service interface to exchange data parcel(s) conformant to IEC 62656-1, between a parcel server and a parcel client or between parcel servers. This interface comprises three basic services: a registration service, resolution service and subscription service. This document includes the following: – holistic use scenario; – detailed specification of the three basic services; – JSON and XML notation schemas for data parcel(s). The following items are outside the scope of this document: – user identification and authorization; – query language for a data parcel; – transportation protocol; – data and communication security techniques.

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IEC 62656-5:2017 specifies a method for representing activities and relations among the activities by a tabular ontology representation, called “parcellized activity model” or PAM for short, which is a specialized use of a generic tabular ontology data model, known as the parcellized ontology model (POM) defined in Part 1 of the IEC 62656 series. The activities that can be described by this document include part or whole of an enterprise, an organization or a collection of services, a set of events or processes which interact with each other by exchanging physical or non-physical entities. This part of IEC 62656 also defines a method for uniquely identifying activities, or their homologues happenings in a certain sequence. In addition, this document identifies flows of information, objects or materials exchanged among activities, where each of the activities is represented by a class and each flow by a relation.

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    62 pages
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IEC 61293:2019 establishes minimum requirements and general rules on marking electric equipment with ratings and other characteristics to enable the proper and safe selection and installation of electric equipment related to any supply of electricity. The object of this document is to: • provide general requirements for the marking of the characteristics related to any supply system, such as voltage, current, frequency and power, without any restrictions; • provide technical committees with uniform methods for the marking of electrical ratings of products. This document is primarily intended for application by technical committees when specifying minimum markings of ratings related to any electrical supply of equipment, sub-assemblies and components, but it is also for application by product manufacturers for marking their products. This horizontal standard is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 108. One of the responsibilities of a technical committee is, wherever applicable, to make use of horizontal standards in the preparation of its publications. The contents of this horizontal standard will not apply unless specifically referred to or included in the relevant publications. IEC 61293:2019 cancels and replaces the first edition published in 1994. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) its status as a basic safety publication has been removed, and it has become a horizontal publication in accordance with IEC Guide 108; b) the scope is extended to include the applicability of this document to product manufacturers; c) the addition of a provision that the visibility of the marking during normal operation should be considered; d) more detailed requirements where equipment has a set or range of rated values for a given characteristic; e) requirements regarding the provision of the markings also in the technical documentation have been added; f) some notes have been converted to normative text; g) normative references and references to other standards have been updated.

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  • Standard
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IEC 61360-6:2016 provides guidance for the definition of concepts that are used to describe classes and properties submitted for update of the content of IEC Common Data Dictionary (IEC CDD). This includes: - a basic understanding of key concepts and procedures used within IEC CDD; - a binding reference for quality control of IEC 61360 compliant dictionary content; - guidance on documents where necessary in-depth knowledge can be acquired.

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IEC 61175-1:2015 provides rules for the composition of designations for the identification of signals and signal connections. This includes the designation of power supply. This part of IEC 61175 is applicable to all types of signals within an industrial system, installation and equipment and industrial products. It deals with the information aspect of signals and not with their physical implementation. This first edition cancels and replaces the second edition of IEC 61175 published in 2005 and constitutes a technical revision. It includes the following changes: an improved description of the principles for use and a strict separation between the physical aspect of a signal and its associated information, focusing on the latter. This horizontal standard is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 108.

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IEC 62656-3:2015 defines a formal mapping between the IEC 62656 and meta-model for CIM in order to import the CIM ontology into the IEC CDD, and to ensure the interoperability of ontologies of two standards, or even among a wider spectrum of standards. For the basis of the mapping from CIM to the data model defined in IEC 62656-1, the UML representation of CIM is referenced.

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IEC 62744:2014 provides generic rules for the representation of states of objects by graphical symbols standardized in IEC 60617, ISO 14617, IEC 60417, for example, and for future graphical symbols included in these standards. It also provides operational states of an object as examples that typically occur and which need to be represented by standardized graphical symbols and defines generic rules to be applied. It specifies which types of presentation facilities are recommended to present the different operational states to humans.

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NEW! IEC 61082-1:2014 is available as IEC Standards+ 61082-1:2014 which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 61082-1:2014 establishes general rules and guidelines for the presentation of information in documents, and specific rules for diagrams, drawings and tables used in electrotechnology. This third edition cancels and replaces the second edition published in 2006. It constitutes a technical revision and includes the following changes: - inclusion of presentation rules for wireless interconnections; - description of exceptional cases for the application of rules for positioning of reference designations in diagrams; - correction of errors and update of the normative references; - harmonization of definitions with respect to referenced publications. This horizontal standard is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 108.

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IEC 62656-1:2014 specifies the logical structure for a set of spreadsheets, used as "data parcels", to define, transfer and register product ontologies. The spreadsheet interface structure defined in this part of IEC 62656 contains the following: - Definition and specification of the logical structure and layout of the spreadsheet interface for definition, transfer, and registering of a reference dictionary; - Definition and specification of library instance data belonging to a class of a reference dictionary described by a set of spreadsheets conformant to this part of IEC 62656; - Definition and specification of the meta dictionary that enables the definition and transfer of a reference dictionary as a set of instance data conforming to the meta dictionary; - Definition and specification of the meta-model as data that enables the definition and transfer of a reference dictionary as a set of instance data conforming to the meta-meta-dictionary; - Specification of the mapping between the dictionary data expressed in the spreadsheet format and the EXPRESS model specified by IEC 61360-2/ISO 13584-42 (with some elements of ISO 13584-25); - Description of the basic semantic mapping between the dictionary data expressed in the spreadsheet formats defined in this part of IEC 62656 and that of DIN 4002.

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IEC 60848:2013 defines the GRAFCET specification language for the functional description of the behaviour of the sequential part of a control system. It specifies the symbols and rules for the graphical representation of this language, as well as for its interpretation and has been prepared for automated production systems of industrial applications. This third edition cancels and replaces the second edition published in 2002 and constitutes a global technical revision with the extended definition of the concept of variables introducing: internal variable, input variable and output variable.

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    56 pages
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IEC 61360-2:2012 provides a formal model for data according to the scope as given in IEC 61360-1 and ISO 13584-42. It provides a means for the computer-sensible representation and exchange of such data, allowing for the implementation of dictionary systems dealing with data delivered according to either of the standards. This third edition cancels and replaces the second edition published in 2002, and its Amendment 1 (2003). It is a technical revision. It includes the following significant technical changes: - separation of concepts between characterization class and categorization class; - introduction of value constraints on classes and properties; - addition of various new subtypes for data types, including rational_type; - improvement on the representation of unit of measurement.

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IEC 62023:2011 provides rules for applying a method of structuring technical information and documentation by using a main document (leading document) for the clustering of the information for each object. This second edition cancels and replaces the first edition of IEC 62023 published in 2000. This edition constitutes a technical revision. It includes the following substantial changes with respect to the previous edition: - the terminology used in the publication has been adapted to the one used in IEC 81346-1:2009 and IEC 62507-1:2010; - the figures have been adapted to the principles used in IEC 81346-1:2009 in order to better illustrate the interrelations between the standards; - the examples in the annexes have been provided with comments. The contents of the corrigendum of February 2012 have been included in this copy.

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IEC 62027:2011 provides rules and guidelines for the presentation of information in object lists, and specific rules for such documents. It is applicable to object lists such as parts lists, function lists and location lists used in the design and engineering process intended to be supplied with the documentation. This edition includes the following substantial changes with respect to the previous edition: - the terminology used in the publication has been adapted to the one used in IEC 81346-1:2009, IEC 62507-1:2010 and IEC/PAS 62569-1:2009; - the term 'object list' has been introduced as the generic term, and 'parts list' used as a specific term for object lists associated with the product structure; - Annex A of the previous edition has been taken away and partly replaced by 6.2 and a reference to IEC 61355 DB; - a new Annex A providing guidance on the presentation of subsets of characteristic properties has been introduced; - a new Annex B providing source definitions and references to used data element types has been introduced; - the examples in the annexes C, D and E (corresponding to B, C and D in the previous edition) have been provided with comments.

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International Standard 80416 is a multi-part standard which provides principles and guidelines for the creation and application of graphical symbols for use on equipment. This part of IEC 80416 provides guidelines for the application of graphical symbols for use on equipment in order to maintain visual clarity and overall consistency when such graphical symbols are applied. It stipulates the permissible extent by which a symbol original may be modified in reproduction for actual use on equipment.

  • Amendment
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IEC 62507-1:2010 specifies basic requirements for systems for the identification of objects (such as products, 'items', documents, etc., excluding human individuals). It focuses on assigning identifiers to an object for referencing purposes. It includes recommendations for the human readable presentation of identifiers and its machine readable representation, to be considered when constructing the identifiers and identification numbers and also requirements for the application of identifiers in a computer sensible form in accordance with such systems, and requirements for their interchange.

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IEC 61666:2010 establishes general principles for the identification of terminals of objects within a system, applicable to all technical areas (for example mechanical engineering, electrical engineering, construction engineering, process engineering). They can be used for systems based on different technologies or for systems combining several technologies. This second edition cancels and replaces the first edition of IEC 61666 published in 1997 and edition constitutes a technical revision. It includes the following substantial changes with respect to the previous edition: - the terminology used in the publication has been adapted to the one used in IEC 81346-1 Ed. 2; - a more comprehensive description of the designation principles is provided; - additional examples illustrating terminal designations related to the function aspect and location aspect are provided; - an additional example illustrating the use of terminal designation sets is provided; - the former informative Annex A has been turned into a clause in the standard.

  • Standard
    19 pages
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IEC 81346-1:2009, published jointly by IEC and ISO, establishes general principles for the structuring of systems including structuring of the information about systems. Based on these principles, rules and guidance are given for the formulation of unambiguous reference designations for objects in any system. The reference designation identifies objects for the purpose of creation and retrieval of information about an object, and where realized about its corresponding component. This edition includes the following substantial changes with respect to the previous one: - a new introductory clause providing a description and explanation to the concepts used elsewhere in the publication; - a more comprehensive description of the structuring principles and rules for structuring are provided; - 'other aspects' are introduced, and the prefix sign # is assigned to these aspects; - the concept of reference designation group has been deleted; - the specific term 'transition' has been avoided and been replaced by an improved textual description of this phenomenon in annex D; - a new clause about labelling is introduced; - the old annexes have been removed with the exception of the annex showing an example of the application of reference designations within a system; - a new annex explaining the manipulation of objects is introduced; - 4 new annexes are introduced as rearrangement of detailed examples or explanatory information.

  • Standard
    86 pages
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IEC 80416-1:2008 provides basic principles and guidelines for the creation of graphical symbols for registration, and provides the key principles and rules for the preparation of title, description and note(s). This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - a) Clause 8 in the previous edition is moved to Clause 4; - b) Mandatory requirement for the line width in symbol originals is changed to 2 mm or 4 mm (see 6th paragraph of 7.3); - c) For negation of a graphical symbol, a single diagonal bar is allowed in addition to two diagonal bars at right angles; - d) A new meaning of negation 'do not' is allowed; - e) Some freedom is given for use of the basic pattern such as for symbol originals to be within the 75 mm square instead of the octagon; - f) Annex A (normative) is newly introduced for provisions on title, description and notes; - g) The nature of notes is changed to be purely informative; and - h) Clause 10 in the previous edition is moved to Annex C (informative). It has the status of a horizontal standard in accordance with IEC Guide 108. This International Standard has been prepared in co-operation with ISO/TC145/SC 3. It is published as a double logo standard.

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IEC 62491:2008 provides rules and guidelines for the labelling of cables and cores/conductors used in industrial installations, equipment and products, in order to maintain a clear relation between the technical documentation and the actual equipment and for other purposes. International Standard IEC 62491 has been prepared by IEC technical committee 3: Information structures, documentation and graphical symbols.

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IEC 61355-1:2008 provides rules and guidelines for the classification of documents based on their characteristic content of information. This second edition cancels and replaces the first edition published in 1997. The main changes with respect to the previous edition are listed below: - Table A.2 has been extended under code P; - Table B.1 in the first edition has been omitted from this second edition; it is being replaced by a separate standard in database format IEC 61355 DB. IEC 61355 DB database provides brief definitions of a set of internationally standardized document kinds, including requirements on the contents of information, references to appropriate sources and the applicable classification in accordance with IEC 61355-1. IEC 61355 DB is intended to be used in conjunction with IEC 61355-1 ed2.0.

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    45 pages
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Specifies requirements for graphical symbols to be included in a reference symbol library in a computer sensible form, and requirements for their interchange among computer aided tools. The reference symbol library may be used as a basis for the design and editing of documents, and for the interchange of documents and graphical symbol libraries among computer-aided tools. It has the status of a horizontal standard in accordance with IEC Guide 108.

  • Standard
    90 pages
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Provides a comprehensive set of standardized metadata elements for document management. Includes a standardized EXPRESS-based information reference model. Provides a standardized framework for data exchange and a basis for the implementation of a document management system. Also provides a standardized DTD based on the XML language for document exchange.

  • Standard
    108 pages
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Establishes general actuating principles for manually operated actuators forming part of the man-machine interface associated with electrical equipment, in order to increase the safety through the safe operation of the equipment and facilitate the proper and timely operation of the actuators.

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Provides guidelines for the application of graphical symbols for use on equipment in order to maintain visual clarity and overall consistency when such graphical symbols are applied. It stipulates the permissible extent by which a symbol original may be modified in reproduction for actual use on equipment

  • Standard
    15 pages
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Establishes general rules for assigning particular meanings to certain visual, acoustsic and tactile indications. Has the status of a basic safety publication in accordance with IEC Guide 104.

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  • Standard – translation
    35 pages
    Slovenian language
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Specifies principles and methods to define metadata for the management of documents associated with objects throughout their life cycle; This cycle generally covers a range from the conceptual idea of a document to its deletion. The established principles and methods are basic for all document management systems. This part is intended as a general basic standard in all application fields and provides the framework applicable for part 2. International Standard 82045 is primarily intended as a resource for the use in computerised systems such as Electronic Document Management Systems (EDMS) or Product Data Management Systems (PDMS) for the management, retrieval, storage and selection and archiving of documents, and as a basis for the exchange of documents.

  • Standard
    37 pages
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EN following parallel vote

  • Standard
    10 pages
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Specifies primarily requirements concerning the classification of connect nodes assigned to graphical symbols, being a representation of functional and product concepts. Basic rules are given in ISO/IEC 11714-1

  • Standard
    11 pages
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D113/043: Ratification revoked

  • Amendment
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Contains a presentation of the graphical symbols with the corresponding descriptions in numerical order which does not necessarily represent any functional grouping. It is complemented by an alphabetical index and a graphical survey of the symbols. Additional information is provided to the user by classifications to form and function, and the examples of application. EN 60417-1 and 60417-2 cancel and replace EN 60417 and all its supplements.

  • Standard
    202 pages
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NEW!IEC 60445:2017 is available as IEC 60445:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60445:2017 applies to the identification and marking of terminals of electrical equipment such as resistors, fuses, relays, contactors, transformers, rotating machines and, wherever applicable, to combinations of such equipment (e.g. assemblies), and also applies to the identification of terminations of certain designated conductors. It also provides general rules for the use of certain colours or alphanumeric notations to identify conductors with the aim of avoiding ambiguity and ensuring safe operation. These conductor colours or alphanumeric notations are intended to be applied in cables or cores, busbars, electrical equipment and installations. This basic safety publication is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and ISO/IEC Guide 51. It has the status of a basic safety publication in accordance with IEC Guide 104.This sixth edition cancels and replaces the fifth edition of IEC 60445, published in 2010. This edition includes the following significant technical changes with respect to the previous edition: a) the text of the introduction has been moved into the scope in accordance with IEC Guide 104; b) colour codes for the identification of line conductors of DC systems; c) colour code for the identification of functional earthing conductor; d) update of Table A.1with colour codes for DC line conductors; e) conversion of notes containing non-mandatory requirements to normative text; f) the terminology is aligned with IEC 60050-195.

  • Standard
    29 pages
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IEC 82079-1:2012 provides general principles and detailed requirements for the design and formulation of all types of instructions for use that will be necessary or helpful for users of products of all kinds, ranging from a tin of paint to large or highly complex products, such as large industrial machinery, turnkey based plants or buildings. This first edition cancels and replaces IEC 62079 published in 2001. It constitutes a technical revision.

  • Standard
    61 pages
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IEC 61360-1:2009 provides a firm basis for the clear and unambiguous definition of characteristic properties (data element types) of all elements of electrotechnical systems from basic components to sub-assemblies and full systems. The principles and methods of this standard may be used in areas outside the original conception such as assemblies of components and electrotechnical systems and subsystems. In addition, this standard provides for establishing a classification hierarchy and the allocation of applicable and relevant properties to each of the classes so established in order to describe fully the characteristics of objects belonging to that class. This edition includes the following significant technical changes with respect to the previous edition: - extended administrative data for status and source of content; - support of multiple language variants for data element types and classes; - support for multiple alternative units for data element types; - improved conventions for definition writing based on ISO 704 and ISO/IEC 11179-4; - enhanced definitions and descriptions.

  • Standard
    88 pages
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IEC 81346-2:2009, published jointly by IEC and ISO defines classes and subclasses of objects based on a purpose- or task-related view of the objects, together with their associated letter codes to be used in reference designations. The classification is applicable for objects in all technical areas, e.g. electrical, mechanical and civil engineering as well as all branches of industry, e.g. energy, chemical industry, building technology, shipbuilding and marine technology, and can be used by all technical disciplines in any design process.

  • Standard
    45 pages
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IEC 61082-1:2006 provides general rules and guidelines for the presentation of information in documents, and specific rules for diagrams, drawings and tables used in electrotechnology. It has the status of a horizontal standard in accordance with IEC Guide 108.

  • Standard
    111 pages
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Provides rules for the composition of designations and names for the identification of signals and signal connections. Includes the designation of power supply circuits.

  • Standard
    50 pages
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Specifies a standardized coded graphic character set for use in drawings and diagrams, and for the design of graphical symbols. Edition 2 describes the correspondence between this character set and that of ISO/IEC 10646-1.

  • Standard
    21 pages
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Specifies the definitions of data element types for electric components and materials and the definitions of the component classes. Provides a set of uniquely identified data element types with an unambiguously defined meaning, a defined value format, and a prescribed value domain for non-quantitative data element types.

  • Standard
    395 pages
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Defines the GRAFCET specification language for the functional description of the behaviour of the sequential part of a control system.Specifies the symbols and the rules for the graphical representation of this language, as well as for its interpretation. This standard has been prepared for automated production systems of industrial applications.However no particular area of application is excluded.

  • Standard
    54 pages
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