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IEC 62065:2025 specifies the minimum operational and performance requirements, test methods and required test results conforming to performance standards adopted by the IMO in resolution MSC.74(69) Annex 2 Recommendation on Performance Standards for Track Control Systems. In addition, it takes into account IMO resolution A.694(17) to which IEC 60945 is associated. It also takes into account IMO resolution MSC.302(87) on bridge alert management (BAM), to which IEC 62923-1 and IEC 62923-2 are associated. This third edition cancels and replaces the second edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) alert management has been brought in line with MSC.302(87), IEC 62923-1 and IEC 62923‑2, reducing the number of alerts for one situation and improving the information provided by alerts. An overview is provided in Annex F; b) the previous Annex F has been removed as it was outdated and not instrumental in this document; c) the requirements in Clause 5 have been further detailed: d) the structure of Clause 6 has been updated.

IEC 61252:2025 specifies – performance specifications for personal sound exposure meters, – details of the tests necessary to verify conformance to all mandatory specifications for the purpose of pattern evaluation, and – procedures for periodic testing of a personal sound exposure meter. Personal sound exposure meters conforming to the requirements of this document have a specified frequency response for sound incident on the microphone from all directions. This document is applicable to instruments that are designed to be worn on a person in a configuration specified by the manufacturer for the measurement of sound immission resulting from steady, intermittent, fluctuating, irregular, or impulsive sounds. For reproducibility of results, specifications and tests for the response to sound waves apply without an operator present in the sound field. Pattern evaluation tests and periodic tests described in this this document apply to personal sound exposure meters for which the manufacturer claims conformance to the specifications given in this document. IEC 61252:2025 cancels and replaces the first edition published in 1993, Amendment 1:2000, and Amendment 2:2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) personal sound exposure meters are required to provide indications of time-averaged sound level and peak sound level; b) sound exposure is an optional quantity for indication; c) specifications for physical quantities that do not follow the principle of equal-energy exchange rate have been added; d) specifications for directional response have been added; e) specifications for frequency weightings apply to the relative diffuse-field frequency response; f) determination of conformance to specifications takes account of uncertainties of measurement; g) detailed requirements for pattern-evaluation tests and periodic testing have been added.

IEC 62933-4-3:2025 applies to the effects of the environmental conditions on Battery Energy Storage Systems (BESS). This document addresses these effects and identifies causes, chain of events and final effects on the BESS. Based on those effects, preventative or mitigating measures are described. Typical environmental effects on the BESS include, but are not limited to, the effects of lightning, seismic activities, water, air, flora, fauna, and humans. The described measures focus as a guideline on the entire BESS including all power and communication connections and its Point of Connections (POCs). The scope of this document is limited to BESS specific requirements and operating conditions. Specific design or safety requirements of individual BESS subsystems are excluded from this document.

IEC 62217:2025 is applicable to polymeric insulators for AC systems with a nominal voltage greater than 1 000 V (frequency less than 100 Hz) and DC systems with a nominal voltage greater than 1 500 V whose insulating body consists of one or various organic materials. Polymeric insulators covered by this document are intended for use both on HV overhead lines and in substations, in both indoor and outdoor applications. They include composite insulators with solid and hollow core and resin insulators. Hybrid insulators with ceramic core and polymeric housing are also included, while coated insulators (e.g. with RTV silicone rubber coatings) are not included in this standard. Electrical tests described in this document are done under AC voltage and are in general applicable to insulators to be used in DC systems too. Tests under DC voltage are intended to reflect up-to-date knowledge and experience. Only polymeric housing materials of hybrid insulators are specified in this document. Tests for core materials and the interfaces between housing and core of hybrid insulators are not included. The object of this document is - to define the common terms used for polymeric insulators; - to prescribe common test methods for design tests on polymeric insulators; - to prescribe acceptance or failure criteria, if applicable; These tests, criteria and recommendations are intended to ensure a satisfactory lifetime under normal operating and environmental conditions. This document includes design tests intended to reject materials or designs which are inadequate under normal operating and environmental conditions. This document defines test methods and acceptance criteria. The applicable tests are given in the relevant product standard. This third edition cancels and replaces the second edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The scope of the document is specified to comprise composite insulators with solid and hollow core and resin insulators used for both AC and DC systems in indoor and outdoor applications of HV overhead lines and substations; hybrid insulators (defined in IEC TS 62896) with ceramic core and polymeric housing are also included, while coated insulators (e.g. with Room Temperature Vulcanized (RTV) silicone rubber coatings) are not considered in this document; b) Steep-front impulse voltage test is modified to avoid unwanted flashovers between the leads of the electrodes; c) Differences between hydrophobicity transfer material (HTM) and non-HTM housing materials are specified and relevant test methods and acceptance criteria for polymeric insulators with HTM housing are introduced; d) The previous water diffusion test on core materials with or without housing is split into two tests. One is on core materials without housing, the other is on core materials with housing. The acceptance criteria are modified; e) Stress corrosion test for core materials is introduced; f) Annex B summarizes the test application for evaluating the quality of interfaces and connections of end fittings, housing materials and core materials; g) Annex E is introduced to emphasize the need for control of electric fields of polymeric insulators for AC. The control of electric fields of polymeric insulators for DC is still under consideration.

IEC 63341-1:2025 applies to fuel cell power systems installed onboard rolling stock for railway applications (e.g. light rail vehicles, tramways, streetcars, metros, commuter trains, regional trains, high speed trains, locomotives). Fuel cell power systems specified in this document are used for the traction power and the auxiliary supply of railway vehicles such as hybrid vehicles, and in case of use as an auxiliary onboard power source. This document applies to the fuel cell technology called proton exchange membrane fuel cell (PEMFC), with the use of hydrogen as fuel source and the use of air as oxidant source. This document does not apply for hydrogen fuel system which is specified in IEC 63341-2, as HFS is not within the scope of this document. This document does not apply for power conversion equipment which is specified in IEC 61287-1 and is not within the scope this document. This document specifies: - the scope of supply and the description of the interfaces (fluidic, electrical, thermal and mechanical) of the fuel cell power system; - the description of the environmental conditions; - the specification and description of all the requirements to ensure the fuel cell power system conformance with a railway application; - the process to validate the fuel cell power system sizing required for a specific load profile; - the safety, reliability and protection requirements to design the fuel cell power system for a railway application; - the marking and labelling requirements; - the requirements related to storage, transportation, installation and maintenance; - the tests (type, routine and investigation) required to validate the fuel cell power system.

IEC 61116:2025 used as a guidance that applies to hydroelectric installations containing impulse or reaction turbines with unit power up to about 15 MW and reference diameter of about 3 m. These figures do not represent absolute limits. This document deals only with the direct relations between the purchaser or the consulting engineer and the supplier. It does not deal with civil works, administrative conditions or commercial conditions. This document is intended to be used by all concerned in the installation of electromechanical equipment for small hydroelectric plants. This document, based essentially on practical information, aims specifically at supplying the purchaser of the equipment with information which will assist him with the following: preparation of the call for tenders; - evaluation of the tenders; - contact with the supplier during the design and manufacture of the equipment; - quality control during the manufacture and shop-testing; - follow-up of site erection; - commissioning; - acceptance tests; - operation and maintenance. The document comprises the following: a) general requirements for the electromechanical equipment of small hydroelectric installations; b) technical specifications for the electromechanical equipment, excluding its dimensioning and standardization; c) requirements for acceptance, operation and maintenance This second edition cancels and replaces the first edition published in 1992. This edition includes the following significant technical changes with respect to the previous edition: a) harmonization of scope with IEC 62006; b) introduction of new technical aspects; c) overall editorial revision.

IEC 63522-10:2025 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method for heating.

IEC 62282-3-200:2025 covers operational and environmental aspects of the stationary fuel cell power systems performance. The test methods apply as follows: - power output under specified operating and transient conditions; - electrical and heat recovery efficiency under specified operating conditions; - environmental characteristics, for example, exhaust gas emissions, noise, under specified operating and transient conditions. This document applies to all kinds of stationary fuel cell technologies, such as: - alkaline fuel cells (AFC); - phosphoric acid fuel cells (PAFC); - polymer electrolyte fuel cells (PEFC); - molten carbonate fuel cells (MCFC); - solid oxide fuel cells (SOFC). This third edition cancels and replaces the second edition published in 2015. This edition includes the following significant technical changes with respect to the previous edition: - revision of the Introduction, Scope and Clause 3; - revision of the symbols in Table 1; - revision of Figure 2 (symbol diagram); - revision of measurement methods (8.3); - revision of the efficiency test (10.2); - revision of the electric power and thermal power response characteristics test (10.3); - revision of the start-up and shutdown characteristics test (10.4); - revision of Annex C.

IEC 63522-1:2025 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of specimens to perform under expected conditions of transportation, storage, and all aspects of operational use. The object of this test is to define a standard test method for the visual inspection and check of dimensions.

IEC 62282-3-201:2025 provides test methods for the electrical, thermal, and environmental performance of small stationary fuel cell power systems that meet the following criteria: - output: rated electric power output of less than 10 kW; - output mode: grid-connected/independent operation or stand-alone operation with single-phase AC output or 3-phase AC output not exceeding 1 000 V, or DC output not exceeding 1 500 V; - operating pressure: maximum allowable working pressure of 0,1 MPa (gauge) for the fuel and oxidant passages; - fuel: gaseous fuel (natural gas, liquefied petroleum gas, propane, butane, hydrogen, etc.) or liquid fuel (kerosene, methanol, etc.); - oxidant: air. This document describes type tests and their test methods only. No routine tests are required or identified, and no performance targets are set in this document. This document provides test methods to be carried out under laboratory conditions. This document covers fuel cell power systems whose primary purpose is the production of electric power and whose secondary purpose can be the utilization of heat. Accordingly, fuel cell power systems for which the use of heat is primary, and the use of electric power is secondary are outside the scope of this document. This third edition cancels and replaces the second edition published in 2017 and Amendment 1:2022. This edition includes the following significant technical changes with respect to the previous edition: - revision of Introduction; - revision of terms and definitions; - revision of Table 1; - revision of Figure 1, Figure 2, Figure 3 and Figure 4; - revision of measurement instruments (10.2); - revision of minimum required measurement systematic uncertainty (10.4); - revision of test conditions (Clause 11); - revision of operating process (Clause 12); - revision of fuel consumption test (14.2); - revision of heat recovery test (14.4); - revision of Figure 13 and Figure 14; - revision of calculation of results (14.14.4); - revision of Annex A and Annex B.

IEC 62683-2-2:2025 specifies the building information modelling (BIM) with the physical characteristics and technical services of low-voltage switchgear and controlgear assemblies to be used mainly for the construction phase of the building and also for delivering data for operation. This document covers all types of assemblies covered by the IEC 61439 series which can be installed in a building. Busbar trunking systems defined by IEC 61439-6 are under consideration for a next edition. These BIM object models, registered in IEC CDD, are intended to supply the process defined by ISO 16739 series. This document does not cover: – the build-in components included within the assembly such as switchgear and controlgear, – safety related control system of machinery, – the detailed electrical and mechanical configuration of the assembly – logistic information.

IEC 62561-2:2025 specifies the requirements and tests for - metallic conductors (other than "natural" conductors) that form part of the air-termination and down-conductor systems, and - metallic earth electrodes that form part of the earth-termination system. This third edition cancels and replaces the second edition published in 2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) definitions of new conductor types mentioned in this document have been added; b) the document has been updated in line with IEC 60068-2-52:2017 on salt mist treatment; c) the document has been updated in line with ISO 22479:2019 on humid sulphurous atmosphere treatment; d) a new normative Annex H for material, configuration and cross-sectional area test has been introduced; e) a new normative Annex I for applicability of previous tests has been introduced. f) equipotential earth grid has been introduced.

IEC 61249-2-52:2025 gives requirements for properties of the thermosetting hydrocarbon resin system, woven E-glass reinforced laminate sheets of defined flammability (vertical burning test), copper-clad in thicknesses of 0,05 mm up to 3,20 mm.

IEC 60079-18:2025 gives the specific requirements for the construction, testing and marking of electrical Ex Equipment, parts of electrical Ex Equipment and Ex Components with the Type of Protection encapsulation "m" (hereinafter referred to as "m" Equipment) intended for use in explosive gas atmospheres or explosive dust atmospheres. For Levels of Protection "mb" and "mc", this document applies where the rated voltage does not exceed 11 kV ACRMS or DC. For Level of Protection "ma", this document applies where the rated voltage does not exceed 1 kV ACRMS or DC. This document does not take account of any hazard due to an emission of flammable or toxic gas from the dust. This document supplements and modifies the general requirements of IEC 60079-0. Where a requirement of this document conflicts with a requirement of IEC 60079-0, the requirement of this document takes precedence. This fifth edition cancels and replaces the fourth edition published in 2014 and Amendment 1:2017. This edition constitutes a technical revision. This International Standard is to be used in conjunction with IEC 60079-0, Explosive atmospheres - Part 0: Equipment - General requirements. Users of this document are advised that interpretation sheets clarifying the interpretation of this document can be published. Interpretation sheets are available from the IEC webstore and can be found in the "history" tab of the page for each document. Please see the foreword to this document for the list of significant technical changes with respect to the previous edition.

IEC 60645-7:2025 applies to instruments designed for the measurement of auditory evoked potentials from the inner ear, the auditory nerve, and the brainstem, evoked by either acoustic or vibratory stimuli of short duration. This document defines the characteristics to be specified by the manufacturer, specifies performance requirements for two types of instruments (screening and diagnostic/clinical), and specifies the functions to be provided on these types. It also specifies a means of describing the physical characteristics, in terms of electrical waveforms, of audiometric reference and test signals of short duration used with auditory evoked potential equipment and other equipment (e.g. otoacoustic emission instruments), and methods for their measurement. The purpose of this document is to ensure that measurements made under comparable test conditions with different instruments complying with this document will be consistent. This document is not intended to restrict development or incorporation of new features, nor to discourage innovative approaches. Evoked response measurement using the application of electric stimuli to a subject is beyond the scope of this document.

IEC 60079-45:2025 is intended to enhance the safety of personnel by providing minimum requirements for electrical ignition systems for spark-ignited reciprocating internal combustion engines, parts of which provide Equipment Protection Level (EPL) Gc. This document provides minimum construction and test requirements, in addition to manufacturer installation and maintenance recommendations, for the safe operation of ignition systems and components for spark-ignited reciprocating internal combustion engines providing EPL Gc for equipment Group IIB+H2, IIB or IIA. These requirements apply to systems rated for normal operation with secondary voltages less than or equal to 60 kV. This document applies only to the ignition systems or the individual ignition system components used on reciprocating internal combustion engines that are stationary when in operation and mobile machinery where the internal combustion engine can be potential source of ignition. Applications addressed by the scope of this document include but are not limited to gas compressors, electric power generators, forklift trucks, and pumps. This document does not apply to: a) Engine ignition systems that utilize a breaker point or magneto type ignition systems as these would not be suitable for use in a hazardous area. b) Road vehicles. c) Low voltage parts and electrical installation that are not included in the ignition system, such as various sensors and thermocouples, throttle actuator(s), fuel control valve(s), human machine interface (HMI), respective harness and wiring and all the other items that might belong to the integrated control system besides the ignition system. This document supplements and modifies the general requirements of IEC 60079-0 and the requirements of ISO/IEC 80079-41. Where a requirement of this document conflicts with IEC 60079 0 or ISO/IEC 80079-41, the requirement of this document takes precedence.

IEC 63522-54:2025 is used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method for critical DC load current test.

IEC 62840-2:2025 provides the safety requirements for a battery swap system, for the purposes of swapping swappable battery system (SBS)/handheld-swappable battery system (HBS) of electric vehicles. The battery swap system is intended to be connected to the supply network. The power supply is up to 1 000 V AC or up to 1 500 V DC in accordance with IEC 60038. This document also applies to battery swap systems supplied from on-site storage systems (e.g. buffer batteries). Aspects covered in this document: • safety requirements of the battery swap system and its systems; • security requirements for communication; • electromagnetic compatibility (EMC); • marking and instructions; • protection against electric shock and other hazards. This document is applicable to battery swap systems for EV equipped with one or more SBS/HBS. This document is not applicable to • aspects related to maintenance and service of the battery swap station (BSS), • trolley buses, rail vehicles and vehicles designed primarily for use off-road, and • maintenance and service of EVs. Requirements for bidirectional energy transfer are under consideration This second edition cancels and replaces the first edition published in 2016. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) expands the scope to encompass both swappable battery systems (SBS) and handheld swappable battery systems (HBS); b) introduces stricter interoperability requirements through detailed system interface specifications and defined state transition protocols; c) enhances data security by defining safety message transmission protocols and integrating telecom network requirements; d) increases electrical safety protection levels for battery swap stations (BSS) with specified capacitor discharge time limits to mitigate electric shock risks; e) introduces enhanced mechanical safety requirements for automated battery handling systems, with technical alignment to ISO 10218-1 and ISO 10218-2; f) strengthens overload and short-circuit protection for BSS through standardized testing methods and overcurrent protection specifications; g) defines upgraded electromagnetic compatibility (EMC) standards to ensure system resilience against external interference, supplemented with EMC-related functional safety measures. This document is to be read in conjunction with IEC 62840-1:2025.

This part of IEC 61340 provides test methods and procedures for evaluating and selecting air ionization equipment and systems (ionizers). This document establishes measurement techniques, under specified conditions, to determine offset voltage (ion balance) and decay (charge neutralization) time for ionizers. This document does not include measurements of electromagnetic interference (EMI), or the use of ionizers in connection with ordnance, flammables, explosive items or electrically initiated explosive devices. As contained in this document, the test methods and test conditions can be used by manufacturers of ionizers to provide performance data describing their products. Users of ionizers are urged to modify the test methods and test conditions for their specific application in order to qualify ionizers for use, or to make periodic verifications of ionizer performance. The user will decide the extent of the data required for each application. See Annex A for information regarding theoretical background and additional information on the standard test method for the performance of ionizers. CAUTION: Procedures and equipment described in this document can expose personnel to hazardous electrical and non-electrical conditions. Users of this document are responsible for selecting equipment that complies with applicable laws, regulatory codes and both external and internal policy. Users are cautioned that this document cannot replace or supersede any requirements for personnel safety. See Annex C for safety considerations.

IEC 63522-21:2025 This part is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method for evaluation of resistance against high temperature for long periods.

IEC 63119-1:2025 establishes a basis for the other parts of IEC 63119, specifying the terms and definitions, general description of the system model, classification, information exchange and security mechanisms for roaming between EV charging service providers (CSPs), charging station operators (CSOs) and clearing house platforms through roaming endpoints. It provides an overview and describes the general requirements of the EV roaming service system. The IEC 63119 series is applicable to high-level communication involved in information exchange/interaction between different CSPs, as well as between a CSP and a CSO with or without a clearing house platform through the roaming endpoint. The IEC 63119 series does not specify the information exchange, either between the charging station (CS) and the charging station operator (CSO), or between the EV and the CS. This second edition cancels and replaces the first edition published in 2019. This edition includes the following significant technical changes with respect to the previous edition: a) the scope is expanded to include differentiation between home and visited service provider roles and adds an explicit definition of roaming entity; b) adds definitions for "home charging service provider (home-CSP)", "visited charging station operator (visited-CSO)", and "charging detail record (CDR)", and expands related terms such as "service" and "roaming entity"; c) introduces abbreviation variants for "home-CSP" and "visited-CSO" in the terminology, aligning with North American and European conventions; d) updates the communication protocol stack by adopting a newer TLS version (upgraded from 1.2 to 1.3); e) system architecture and communication interfaces include detailed interactions between home-CSP and visited-CSO; f) adds a definition for "service" to cover a broader range of applications such as parking and reservation management; g) adds a distinction between "charging detail record (CDR)" and "service detail record (SDR)" and clarifies their relationship in the terminology; h) enhances the description of user credential transfer methods in communication interfaces with greater diversity; i) enhances the description of the mixed mode in the classification of roaming service models, emphasizing improved user experience through faster response times.

IEC 63380-3:2025 defines the secure information exchange between local energy management systems and electric vehicle charging stations. The local energy management systems communicate to the charging station controllers via the resource manager. This document specifies the application of relevant transport protocols; in this case, SPINE (smart premises interoperable neutral-message exchange), SHIP (smart home IP), and ECHONET Lite. Other communication protocols can be defined in future editions

IEC 63380-2:2025 defines the secure information exchange between local energy management systems and electric vehicle charging stations. The local energy management systems communicate to the charging station controllers via the resource manager. This document maps the generic use case functions defined in IEC 63380-1 to specific data model. This edition of this document defines specifically SPINE Resources and ECHONET Lite Resources mapped from the high-level use case functions defined in IEC 63380-1.

IEC 63522-30:2025 defines a standard test method to determine contact sticking of relays as part of the normal service life, i.e., devices under test (DUTs) fail to open within a specified time, due to, for example, effects of remanence, chemical effects, or high temperature. It does not cover contact sticking during or after electrical endurance testing or due to other validation tests for relays.

IEC 60068-3-14:2025 describes a generic process for developing a climatic sequential test programme by sequencing test methods selected from the IEC 60068-2 series. This generic process comprises a systematic approach to the development of a sequential environmental test programme. A climatic sequential test is applicable to electrical, electromechanical or electronic equipment and devices, as well as their subassemblies, constituent parts and components. It can be customized according to specific product requirements and applications. The process is designed for use by product designers, manufacturers and users. The process is particularly relevant to electrical products which include components or materials that have the potential to degrade, as a consequence of environmental exposures.

IEC 62488-1:2025 applies to the planning of analogue (APLC), digital (DPLC) and hybrid analogue-digital (ADPLC) power line carrier communication systems operating over HV electric power networks. The object of this document is to establish the planning of the services and performance parameters for the operational requirements to transmit and receive data efficiently and reliably. Such analogue and digital power line carrier systems are used by the different electricity supply industries and integrated into their communication infrastructure using common communication technologies such as radio links, fibre optic and satellite networks This second edition cancels and replaces the first edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Complete revision of this edition with respect to the previous edition with the main focus on planning of analogue and digital power line carrier systems operating over HV power networks; b) A general structure of a bidirectional point-to-multipoint APLC, DPLC or ADPLC link has been introduced; c) Introduction of a new approach for global frequency planning.

IEC 60300-3-10:2025 gives guidance to managers and technical and financial personnel on the basic principles of maintainability and maintenance activities that are applicable to any organization. This document describes: - the value and nature of maintainability and maintenance characteristics; - the interfaces between maintainability and related dependability attributes of reliability, availability and supportability, as well as potential trade-offs that can be made through the interfaces during the life cycle of an item; - the elements of maintainability and maintenance programmes; - the application of maintainability and maintenance programmes throughout the life cycle; - techniques to ensure maintainability and maintenance requirements are met; - maintainability and maintenance data and information management. This document is applicable to equipment, software, services, or structures, and gives guidance on matters of common interest to any business supplying, purchasing or sustaining products, services, or structures. 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: - more guidance is included on establishing a maintenance programme; - some guidance on support and supportability has been removed and has been moved to IEC 60300-3-14.

IEC 60931-2:2025 applies to capacitors according to IEC 60931-1 and gives the requirements for the ageing test and destruction test for these capacitors.

IEC 60112:2025 specifies the method of test for the determination of the proof and comparative tracking indices of solid insulating materials on pieces taken from parts of equipment and on plaques of material using alternating voltage. This document provides a procedure for the determination of erosion when required. The proof tracking index is used as an acceptance criterion as well as a means for the quality control of materials and fabricated parts. The comparative tracking index is mainly used for the basic characterization and comparison of the properties of materials. This test method evaluates the composition of the material as well as the surface of the material being evaluated. Both the composition and surface condition directly influence the results of the evaluation and are considered when using the results in material selection process. The described test method is designed for a test voltage up to 600 V AC, because higher test voltages and DC voltage will lead to a reduced test severity. Test results are not directly suitable for the evaluation of safe creepage distances when designing electrical apparatus. The results of this method have been used for insulation coordination of equipment. It is important that use of these results also considers the overvoltage levels, creepage distances, and establishes the pollution degree to which the product insulation system will be expected to be subjected. This is in compliance with IEC 60664-1. This basic safety publication focusing on a safety test method 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 lSO/lEC Guide 51. One of the responsibilities of a technical committee is, wherever applicable, to make use of basic safety publications in the preparation of its publications. This sixth edition cancels and replaces the fifth edition published in 2020. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - In 7.3, the term "resistivity" has been replaced by "conductivity". It has the status of a basic safety publication in accordance with IEC Guide 104.

IEC 63522-45:2025 used for testing electromechanical elementary relays (electromechanical relays, reed relays, reed contacts, reed switches and technology combination of these) and evaluates their ability to perform under expected conditions of transportation, storage and all aspects of operational use.

IEC 60122-2:2025 has been compiled in response to a generally expressed desire on the part of both users and manufacturers for guidelines to the use of quartz crystal units for filters and oscillators so that the crystal units may be used to their best advantage. It draws attention to some of the more fundamental questions which will be considered by the user before it places its order for a unit for a new application, and in so doing will, it is hoped, help ensure against unsatisfactory performance, unfavourable cost and non-availability. It is not the function of this document to explain theory, nor to attempt to cover all the eventualities that can arise in practical circumstances. Lastly, it it is not considered as a substitute for close liaison between manufacturer and user. Standard specifications, such as those of the IEC of which these guidelines form a part, and national specifications or detail specifications issued by manufacturers, will define the available combinations of the resonant characteristics and the temperature characteristic. These specifications are compiled to include a wide range of quartz crystal units with standardized performances. It cannot be over-emphasized that it is the responsibility of the user , wherever possible, to select the quartz crystal units from these specifications, when available, even if it can lead to making small modifications to the circuit to enable the use of standard resonators. This applies particularly to the selection of the nominal frequency. This edition includes the following significant technical changes with respect to the previous edition: a) addition of SC cut type and related requirements; b) addition of ageing calculation and low level of drive requirements according to the general specification, c) update of the frequency temperature curve according to the common cut requirements; d) removal of infrequently used product types.

IEC 60931-1:2025 is applicable to both non-self-healing capacitor units and non-self-healing capacitor banks intended to be used, particularly, for power-factor correction of AC power systems having a rated voltage up to and including 1 000 V and frequencies 15 Hz to 60 Hz. This document also applies to capacitors intended for use in power filter circuits.

IEC 62508: 2025 provides guidance on current knowledge and practice concerning dependability in an operational environment, in terms of the humans, teams and organizations involved in conducting the work. It is part of a suite of IEC standards that are intended to address the dependability of both the technical and human elements of equipment and organizations. This document describes the human elements of a typical operational system, and the importance of those elements to overall dependability. It also describes the means of assessing how well these elements are functioning, and general concepts on how the reliability of humans can be improved. These elements typically include the individual workers, the groups or teams into which they are organized, the interfaces between humans and technical systems, and the overall organization. The following guidance is applicable to any industry that depends on human-systems interactions involving the technology, software, or systems of work required to support the production and safety objectives of an organization. This document primarily addresses complex technical systems, but some parts are also applicable to the manufacturing of industrial and consumer products. Principles for design of the human-machine interface (usability) are described, and further information can be found in the technical literature and in relevant product standards. Although this document does not specifically cover worker health or safety, the application of this document can raise related issues, particularly in process safety, which is closely associated with system reliability. This second edition cancels and replaces the first edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The emphasis on user-centred design in the previous edition was reduced in favour of a greater emphasis on human dependability in an existing operational environment. b) The emphasis on human error and error-rate determination methods was reduced in favour of a greater emphasis on means of providing organizational support for the workforce in their execution of required tasks. c) Where appropriate, discussions of human factors in an operational environment were aligned with current theory, terminology and practice.

This part of IEC 61340 provides electrical and mechanical test methods and performance limits for evaluation, acceptance and periodic verification testing of wrist straps. NOTE All dimensions are nominal except where indicated. This standard is intended for testing wrist straps and wrist strap systems used for the grounding of personnel engaged in working with ESD sensitive assemblies and devices. It does not address constant monitoring systems.

IEC 60749-34-1:2025 describes a test method that is used to determine the capability of power semiconductor modules to withstand thermal and mechanical stress resulting from cycling the power dissipation of the internal semiconductors and the internal connectors. It is based on IEC 60749-34, but is developed specifically for power semiconductor module products, including insulated-gate bipolar transistor (IGBT), metal-oxide-semiconductor field-effect transistor (MOSFET), diode and thyristor. If there is a customer request for an individual use or an application specific guideline (for example ECPE Guideline AQG 324), details of the test method can be based on these requirements if they deviate from the content of this document. This test caused wear-out and is considered destructive.

The particular requirements of this part of IEC 60364 apply to: - fixed equipment within conducting locations with restricted movement; and - supplies to equipment used within conducting locations with restricted movement.

IEC 60034-15: 2025 relates to AC machines incorporating form-wound stator coils that are intended to be connected to a standard grid supply. It specifies the test procedures and voltages to be applied to sample coils, as well as routine tests performed on coils mounted in the stator core. The purpose of this document is to show the ability of a stator winding to resist voltage transients originating from the grid the machine is connected to. Annex A gives further information. The stator windings and coils for converter-fed machines are excluded from the scope of this document. This document is not intended for use on complete windings since it is difficult to determine when the turn insulation has failed due to the test. 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: - harmonize the standard test levels with IEEE Std 522TM [2]; - introduce an enhanced surge impulse voltage withstand level; - introduce the option to test up to the point of electrical breakdown; - improve the evaluation of the recorded impulses in case of oscillations and overshoot; - indicate that converter fed machines are excluded from the scope; - provide guidance on the execution of impulse tests.

IEC 60270:2025 is applicable to the charge-based measurement of partial discharges which occur in electrical apparatus, components or systems when tested with alternating voltages (AC) up to 500 Hz or with direct voltage (DC). This document: – defines the terms used; – defines the quantities to be measured; – describes the measurement frequencies as well as the test and measuring circuits which may be used; – defines analogue and digital measuring methods required for common applications; – specifies methods for calibration and requirements of instruments used for calibration; – gives guidance on test procedures; – gives some assistance concerning the discrimination of partial discharges from external interference. The provisions of this document are used in the drafting of specifications relating to partial discharge measurements for specific power apparatus. It deals with electrical measurements of impulsive (short-duration) partial discharges, but reference is also made to non-electrical methods primarily used for partial discharge location (see Annex F). Diagnosis of the behaviour of specific power apparatus can be aided by digital processing of partial discharge data (see Annex E) and also by non-electrical methods that are primarily used for partial discharge location (see Annex F). This document is primarily concerned with electrical measurement of partial discharge in terms of apparent charge for specific power apparatus made during tests with alternating voltage, but specific problems which arise when tests are made with direct voltage are considered in Clause 11. The terminology, definitions, basic test circuits and procedures often also apply to tests at other frequencies, but special test procedures and measuring system characteristics which are not considered in this document may be required. For measurements at higher frequency ranges, see IEC TS 62478. Annex A provides normative requirements for performance tests on calibrators. This fourth edition cancels and replaces the third edition published in 2000, and Amendment 1:2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Title modified. b) Use with alternating voltages up to 500 Hz or with direct voltage. c) Clear focus on charge-based partial discharge measurements. d) Streamlined performance checks for partial discharge measurement system components. e) Improved normative Annex A for performance tests on calibrators. f) Revised and new informative Annexes. In a future revision, this document will seek horizontal publication status in accordance with IEC Guide 108.

IEC 63522-2:2025 This part is used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method to ensure that particular mechanical properties (such as contact force, armature travel, contact gaps) and weight, are within specified limits.

IEC 63366:2025 defines product category rules (PCR) for electrical and electronic products and systems (EEPS) to develop Type III environmental declarations for electrical and electronic products and systems (EEPS). It specifies the process and requirements on how to conduct life cycle assessment (LCA) in the context of environmental declarations. This document provides common rules for: a) LCA, including the requirements for developing default scenarios; b) the LCA report; c) the development of PSR. This document provides further guidelines for environmental declarations. The LCA principles and framework are based on ISO 14040 and ISO 14044, and are therefore out of scope of this document. PCR is complemented by additional product-specific rules (PSR), which further define, for example, functional units and default scenarios in the product-specific context. Therefore, this document also provides guidance on how to develop PSR in corresponding technical committees. This document has the status of a horizontal publication in accordance with IEC Guide 108. In accordance with IEC Guide 108, this generic essential horizontal standard is intended for use by product committees as a starting point in preparing PSR standards. Specific requirements developed by product committees in PSR standard take precedence over requirements in this standard. When there is no PSR available in a product committee, this generic essential horizontal standard could be applied by LCA practitioners with recorded complementary specifications.

This part of IEC 60684 gives the requirements for two types of heat-shrinkable, polyolefin sleeving, semiconductive, with a nominal shrink ratio of 3:1. This sleeving has been found suitable up to temperatures of 100 °C. - Type A: Thin wall Internal diameter up to 195,0 mm typically - Type B: Medium wall Internal diameter up to 120,0 mm typically This sleeving is normally supplied in the colour black. Since these types of sleevings cover a significantly large range of sizes and wall thicknesses, Annex A in this standard provides guidance to the range of sizes available. The actual size will be agreed between the user and the supplier. Materials which conform to this specification meet established levels of performance. However, the selection of a material by a user for a specific application need to be based on the actual requirements necessary for adequate performance in that application and not based on this specification alone. This sleeving is designed to be used in MV cable accessories and as such electrical performance will be proven as part of the assembly. Examples of this are described in HD 629 and IEC 60502 (all parts)

IEC 61554:2025 defines a system of dimensions for panel mounting of equipment. It is applicable to electrical and electrically operated indicating, recording and control instruments. The purpose of this document is to establish dimensional interchangeability between instruments made by different manufacturers.

IEC 60364-8-82:2022 provides requirements and recommendations that apply to low-voltage electrical installations connected or not to a distribution network able to operate: – with local power supplies, and/or – with local storage units, and that monitors and controls the energy from the locally connected sources delivering it to: – current-using equipment, and/or – local storage units, and/or – distribution networks. Such electrical installations are designated as prosumer's electrical installations (PEIs). These requirements and recommendations apply to new installations and modifications of existing installations. This document also provides requirements and recommendations for the safe, efficient and correct behaviour of these installations when integrated into a smart grid. Information related to grid interaction to ensure the stability of the electrical system for grid connected PEIs is given in Annex B. This document covers the requirements related to stability of islanded and stand-alone PEIs. This first edition cancels and replaces IEC 60364-8-2 published in 2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 60364­8­2:2018: a) the vocabulary and concepts have been aligned as much as possible with those used by TC 8 and SC 8B, taking notably into account the IEC 62898 and IEC 62786 series, still respecting the installers mindset (installers being the first users of the IEC 60364 series and being used to only refer to the IEC 60364 series); b) the type of system earthing and the change of type of system earthing (sequencing) when there is a change of mode of the prosuming installation, have been clarified; c) the conditions of connection and disconnection from the DSO network have also been described, both from the safety point of view and the proper functioning point of view; d) additional requirements have been introduced; e) the figures have been updated; f) a new normative Annex D on single dwelling or similar application islandable PEIs has been added; g) the numbering has also been reviewed to follow the updated numbering system of the IEC 60364 series, in line with the IEC Directives and compatible with Parts 7.

IEC 63522-5:2025 This part of IEC 63522 is used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of operational use. This document defines a standard test method for insulation resistance.

IEC 63522-18:2025 This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected conditions of transportation, storage and all aspects of operational use. The object of this test is to determine the thermal resistance of the relay coil.

IEC 61203:2025 This document provides procedures and supervision for the use and maintenance of synthetic esters in transformers and other electrical equipment. This document includes recommendations on tests and evaluation procedures and outlines methods for reconditioning and reclaiming the liquid, when necessary

IEC 82474-1:2025 specifies the requirements and guidance for the content, format and exchange relating to material declarations for products. The main intended use of this document is to provide data up and down the supply chain that: - allows organizations to assess products against material and substance requirements, - allows organizations to assess process chemical substances used in manufacturing and other stages of the product life, - allows organizations to use this information in their activities related to environmentally conscious design process and across all product life cycle stages, - allows organisations to obtain information about material efficiency and circularity of their products. This document specifies mandatory declaration requirements and also provides optional declaration requirements. This document does not suggest any specific software solution to capture material declaration data in the supply chain. However, it provides a data format used to transfer information within the supply chain. Organizations can determine the most appropriate method to capture material declaration data without compromising data utility and quality. This document is intended to allow declaration based on engineering judgement, responder (supplier) material declarations, and/or sampling and testing. This document has the status of a horizontal publication in accordance with IEC Guide 123. This edition includes the following technical changes with respect to IEC 62474:2018 (edition 2): a) Definitions were sharpened to fulfil needs from sectors other than electrical and electronic products and systems and new terms have been added that support new topics introduced such as webservice methods, material efficiency and circularity, and new reference list types. b) A new subclause (4.6) covering process chemical declaration was included. This subclause covers requirements related to the information required about process chemical substances, the applicable processes where they are used, and the respective product life cycle phase(s). c) A new clause (8) covering web services on material declaration was included. This clause covers requirements related to topics such as machine-machine communication, authentication service, and data representation. d) Requirements and guidance for the development of reference lists such as query list (QL), and application/exemption lists (AL/EL) were included. This document has been given the status of a horizontal document in accordance with ISO/IEC Directives, Part 1. It is published as a double logo standard,

IEC 61847:2025 specifies: – the essential non-thermal output characteristics of ultrasonic surgical units; – methods of measurement of these output characteristics; – those characteristics to be declared by the manufacturers of such equipment. This document is applicable to equipment which meets the criteria of a), b) and c) below: a) ultrasonic surgical systems operating in the frequency range 20 kHz to 120 kHz; and b) ultrasonic surgical systems whose use is the fragmentation, emulsification, debridement, or cutting of human tissue, whether or not those effects are delivered in conjunction with tissue removal or coagulation; and c) ultrasonic surgical systems in which an acoustic wave is conducted by means of a specifically designed wave guide to deliver energy to the surgical site. This document is not applicable to: – lithotripsy equipment which uses extracorporeally induced pressure pulses, focused through liquid conducting media and the soft tissues of the body; – surgical systems used as part of the therapeutic process (hyperthermia systems); – surgical systems whose mechanism of action is through frictional heat generated by tissue in contact with the wave guide, e.g. clamp coagulators or clamping vibrational cutters; – surgical systems whose mechanism of action is through focused ultrasound for either thermal degradation (high intensity focused ultrasound – HIFU or HITU) or cavitation erosion (Histotripsy) of tissue remote from the ultrasound transducer; – surgical systems whose mechanism of action is through erosion of hard tissues in contact with the applicator tip, e.g. bone cutting or drilling. This document does not deal with the effectiveness or safety of ultrasonic surgical systems. This document does not deal with airborne noise from the systems, which can affect operators and patients. IEC 61847:2025 cancels and replaces the first edition published in 1998. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The upper frequency covered by this document has been raised from 60 kHz to 120 kHz. b) The hydrophone method of measuring ultrasound power is now normative. Because of difficulties in using the calorimetry method of measuring ultrasound power, it is no longer the primary approach. c) It is recognised that some systems can have more than one mode of vibration under user control, and the measurement techniques and declarations have been updated to address this. d) The high-frequency component, which relates to cavitation developed at the applicator tip and the vibration amplitude at which cavitation occurs is addressed. e) Specific requirements for measurement at excursion levels where no cavitation is present, and extrapolation to maximum excursion level(s) are described. f) Guidance is provided to adapt the methodology described to more complex designs and vibration patterns, excursion directions, and their output characteristics. g) Guidance is provided with respect to measurement tank arrangements for different types of systems. h) The list of ultrasound methods and systems not covered by this document was extended to incorporate recent developments. i) Definitions for cavitation related terms were added. j) Requirements for the measurement of directivity characteristics of the applicator tip were changed. k) Annex A was modified and Figure A.1 wa

IEC 62590-1:2025 specifies the common requirements and definitions for all power converter applications in fixed installations for power supply of railway systems. This document applies to fixed installations of following electric traction systems: railway networks, metropolitan transport networks including metros, tramways, trolleybuses and fully automated transport systems, magnetic levitated transport systems, electric road systems. This document applies to AC/DC converters, DC converters and AC converters. Converters for improvement of power quality and for energy saving are also included. Converters connected to electric traction systems feeding 3AC, 1AC or DC systems for auxiliary purpose are not in the scope of this document but some aspects such as insulation coordination and railway specific conditions can be referred to. This document, in conjunction with the other parts of IEC 62590, cancels and replaces IEC 62589:2010 and the former IEC 62590:2019. This document includes the following significant technical changes with respect to IEC 62589:2010 and the former IEC 62590:2019: a) Split into common requirements and special requirements for different converters; b) Interface Model for the different systems connected; c) Split into circuits with their requirements like insulation coordination; d) Energy efficiency addressed.

IEC 60684-2:2025 gives methods of test for flexible insulating sleeving, including heat-shrinkable sleeving, intended primarily for insulating electrical conductors and connections of electrical apparatus, although they can be used for other purposes. The tests specified are designed to control the quality of the sleeving but it is recognized that they do not completely establish the suitability of sleeving for impregnation or encapsulation processes or for other specialized applications. Where necessary, the test methods in this document will be supplemented by appropriate impregnation or compatibility tests to suit the individual circumstances. This fourth edition cancels and replaces the third edition published in 2011.This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) major update of normative references; b) revision of Clause 5, with amendment of methods for measurements of bore and wall thickness; c) revision of Clause 11, to clarify that the longitudinal change test is done on expanded sleeving; d) revision of Clause 28, additional method D for flame propagation testing; e) revision of Clause 56, additional method for preparation of samples for adhesive peel test; f) addition of Clause 63, abrasion test method; g) addition of Clause 64, volume resistivity for semi-conducting materials; h) addition of Clause 65, outgassing; i) addition of Clause 66, resistance to weathering.