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.
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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.
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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.

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.

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.

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.