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IEC Standards

About the International Electrotechnical Commission

Founded in 1906 in London, United Kingdom, the International Electrotechnical Commission (IEC) came about in response to a lack of common measurements, ratings and measurements in the field of electrical science. Initially, this helped to standardise the various voltages, direct currents, plugs, connectors and frequencies used in electrical apparatus. Its continuously evolving standards are now adopted throughout the world.


This leading non-profit standards organisation covers electronic engineering and electrical sectors (collectively known as electrotechnology) in many parts of the world, bearing in mind the current marketplace and safety requirements.
International Electrotechnical Commission standards are used extensively across these sectors to help maintain high standards in product manufacturing and services.

 

Intertek Inform: Your Gateway to the International Electrotechnical Commission

At Intertek Inform, you can purchase all International Electrotechnical Commission Standards, including international standards that may be available in languages including Spanish, Castilian, Italian, German, English, French. 


On our website, you can purchase individual IEC standards
in digital PDF or printed (hardcopy) formats. Or you may wish to manage your standards with i2i, our secure, configurable, cloud-based platform, made available through our subscription service.

 

View all IEC Standards

Risk management - risk assessment techniques
Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test
Published: 25-Mar-2021
Environmental testing - part 1: general and guidance
Effects of current on human beings and livestock - part 1: general aspects
Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test
Medical device software - Software life cycle processes
Safety of machinery - Electrical equipment of machines - Part 1: General requirements
IEC system of plugs and socket-outlets for household and similar purposes - Part 2
Integrated circuits - Measurement of electromagnetic immunity - Part 2
Health software - Part 1: General requirements for product safety
Semiconductor devices - Part 15: Discrete devices - Isolated power semiconductor devices
Published: 22-Oct-2024
Electromagnetic compatibility (EMC) - Part 6-4: Generic standards - Emission standard for industrial environments
Published: 07-Feb-2018
General purpose lead-acid batteries (valve-regulated types) - Part 1
Digital addressable lighting interface - Part 302: Particular requirements - Input devices - Absolute input devices
Security for industrial automation and control systems - Part 4-1: Secure product development lifecycle requirements
Medical electrical equipment - Recurrent test and test after repair of medical electrical equipment
Electrical installations in ships - Part 401: Installation and test of completed installation
Low-voltage switchgear and controlgear - Part 4-1
Test methods for accessories for power cables with rated voltages from 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV)
Classification of environmental conditions - Part 2-3: Environmental conditions appearing in nature - Air pressure
Power systems management and associated information exchange - Data and communications security - ALL PARTS
Effects of current on human beings and livestock – part 4: effects of lightning strokes
Solar thermal electric plants – part 3-3: systems and components – general requirements and test methods for solar receivers
Secondary cells and batteries for renewable energy storage - General requirements and methods of test - Part 2: On-grid applications
Amendment 1 - Secondary cells and batteries for renewable energy storage - General requirements and methods of test - Part 2: On-grid applications
Specifications for particular types of winding wires - Part 67: Polyvinyl acetal enamelled rectangular aluminium wire, class 105
Electrical installations for lighting and beaconing of aerodromes - Part 1-2
Electromagnetic compatibility (EMC) - Part 5-6
Fuel cell technologies - Part 6-107
Low-voltage switchgear and controlgear - Part 5-7
Maritime navigation and radiocommunication equipment and systems - Digital interfaces
Industrial networks - Profiles - Part 5-6: Installation of fieldbuses - Installation profiles for CPF 6
Smart city use case collection and analysis - City information modelling - Part 2: Use case analysis
Solar thermal electric plants - Part 1-5: Performance test code for solar thermal electric plants
Connectors for electrical and electronic equipment - Part 1
Optical fibre cables - Part 1-217: Generic specification
Industrial networks - Profiles - Part 5-19: Installation of fieldbuses - Installation profiles for CPF 19
Smart city standards inventory and mapping - Part 4
Radiation protection instrumentation - Measurement of personal dose equivalents for X
This Test Report Form applies to: IEC 61010-031:2022
Low-voltage switchgear and controlgear - ALL PARTS
Mobile and fixed offshore units - Electrical installations - ALL PARTS
Insulation co-ordination - ALL PARTS
Digital audio interface - ALL PARTS
Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um = 1,2 kV) up to 30 kV (Um = 36 kV) - ALL PARTS
Programmable controllers - ALL PARTS
Telecontrol equipment and systems - Part 5: Transmission protocols - ALL PARTS
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 2-7
Electrical energy meters - Test equipment, techniques and procedures - Part 3: Automatic meter testing system (AMTS)
This Test Report Form applies to: IEC 61508-3:2010
Optical fibres - Part 1-45: Measurement methods and test procedures - Mode field diameter
This Test Report Form applies: IEC 60884-1:2022
Test methods for electrical materials, printed boards and other interconnection structures and assemblies - Part 2-805: X/Y CTE test for thin base materials by TMA
Active assisted living (AAL) use case standards inventory and mapping

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Understanding IEC Standards

The International Electrotechnical Commission (IEC) develops and publishes international Standards for electrical, electronic, and related technologies. These Standards are essential for ensuring compatibility, safety, performance, and energy efficiency across industries and markets worldwide.


What is the IEC Standard?

An IEC Standard is an internationally recognised specification that defines technical requirements for products, systems, and services in the electrical and electronic sectors. It ensures that components and equipment from different manufacturers can work together safely and efficiently.


The Role of IEC in Global Industry

The IEC provides a common framework for innovation, trade, and safety in sectors such as energy, manufacturing, telecommunications, and consumer electronics. By setting universal benchmarks, the IEC enables global interoperability and reduces trade barriers.

 

Electrical cabling

 

IEC Standards for Electrical and Cable Applications

IEC electrical and cable Standards establish uniform requirements for the design, testing, and performance of electrical systems and wiring. These ensure that products meet safety regulations, function reliably, and minimise risks in residential, commercial, and industrial environments.


IEC Cable Standards

These Standards cover the classification, construction, and performance of cables, including insulation materials, conductor sizes, and flame-retardant properties. They provide assurance that cables can safely carry electrical loads under specified conditions.


IEC Electrical Standards

IEC electrical Standards define requirements for electrical installations, components, and equipment, addressing factors such as voltage ratings, safety clearances, and testing methods. They support the safe operation of systems in diverse environments.

 

IEC Standard for Cable

This Standard specifies technical requirements for cable manufacturing, including mechanical strength, electrical conductivity, and environmental resistance, ensuring high performance and longevity.

 

electrical meter

 

IEC High-Voltage and Power Equipment Standards

High-voltage equipment must adhere to rigorous international safety and performance benchmarks. IEC Standards provide the framework for testing, installation, and maintenance in energy generation, transmission, and distribution.


IEC Standard for High-Voltage Test

This Standard outlines procedures for verifying the electrical strength and insulation properties of high-voltage equipment. Testing ensures systems can operate safely under maximum voltage conditions.


IEC Transformer Standards

IEC transformer Standards define design, construction, testing, and performance requirements for power and distribution transformers, ensuring efficiency, safety, and reliability.


Basic Insulation Level IEC Standard

The basic insulation level (BIL) Standard specifies the voltage withstand capability of equipment insulation. It is crucial for ensuring safety and durability in high-voltage systems.

electrician working on cabling

 

International Electrotechnical Commission: Governance and Certification

The IEC not only develops Standards but also manages conformity assessment schemes, enabling products to be certified for compliance with international requirements.


What is the International Electrotechnical Commission?

The IEC is a global organisation founded in 1906 to Standardise and improve electrical and electronic technologies worldwide. Its members include national committees from over 80 countries.


IEC International Electrotechnical Commission Codes and Symbols

IEC codes and symbols provide a universal language for identifying electrical components, safety features, and operational instructions. This Standardisation ensures clear communication across global markets.


International Electrotechnical Commission Certification

IEC certification confirms that a product meets relevant Standards, providing assurance of quality, safety, and performance. This certification is often a requirement for market entry in many regions.

Frequently Asked Questions

Below is a series of some of the most common questions about the International Electrotechnical Commission.  

The International Electrotechnical Commission issues IEC standards for electrotechnologies across a vast spectrum of applications, including medical technology, electromagnetics, multimedia, energy production and distribution right through to household appliances and equipment for the office. It does this by collaboratively developing international standards through its members across 170 countries.  

The International Electrotechnical Commission is an independent organisation. It comprises national committees (members) representing their country’s electrotechnical needs.

Membership to the IEC has three levels:

  • Full Members – full participation, including managerial and voting rights and the selling and dissemination of IEC international standards country-wide.
  • Associate Members – members have limited managerial and voting rights.
  • Affiliate Country Programme – this encourages developing countries' involvement and use of international standards.  

The International Electrotechnical Commission supports affordable quality infrastructure, sustainability, safety and global trade in electrotechnology. It draws on the knowledge and collaboration of 20 000 experts worldwide to administer best practice systems in relation to equipment, processes, installations and services.


Through approximately 10 000 IEC international standards, it provides a technical framework that enables governments and companies to buy and sell safe, dependable products worldwide.


The work of the IEC directly supports the UN’s 17
sustainable development goals. 

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