Questions about IEC standards versus EN standards

One is the International Organization for Standardization, a regional standards organization (some countries in Europe). Like GB standards and local standards, the national administrative organs are implemented throughout the province. Just greater than the impact of IEC and EN.

Many countries will be seen as standards and exports for development and use, or even consistent. IEC and EN are both recommended standards, not mandatory standards. International practice, mandated to be called regulations, directives (usually product standards, related health, safety, hygiene, etc.).

Foreign standards and regulations, guidance services, support. Unlike China, regulations are administrative in nature, and there are only a very few technical regulations, and technical regulations are mandatory national standards.

Two reasons why people have similar impressions are because they, including isos, tend to refer to each other, transforming. As we say, the past, the present and foreign stuff is for China. In fact, international and regional standards organizations, if they feel the standards of other countries, will be.

For example, the well-known ISO 9000 originated from the American quality assurance standard MIL-Q-9858.

The reasons for international standards and regional standards are often mutual, and the cross-national standard-setting of the adoption of standards must fully take into account its versatility and the interests of each member state (the requirements of the world's leading organizations). International standards are not necessarily national, state-of-the-art. For example, the two directives of the European Union, which have recently been in the limelight, are designed to create the best obstacles, but also fully consider the interests of the member states and the timetable for development.

However, many Member States were unable to implement it on time.

BS EN, strictly speaking, is based on the EN BSI British standard. Except that it is equivalent to adoption. Attention has been paid to intellectual property in recent years, except for the previous pages which are the original EN (bordered by the BSI mark).

But that's not the case. pr en like to ask ** piece is not the official version. In the discussion below, some PREN is not officially enacted.

The IEC promulgated English and French, and I guess the reason for it is because English is the most widely spoken language in the world, but as a rigorous technical job it must be the strictest language in the world, French norms. If you understand the differences in France. While each of the ISO standards is developed in English, French and Spanish, but differs in the merger of the IEC, the UK and France, if the booklets in each language.

en in fact, has several common features: en (eu problem), bs, en (British transformation), DIN en (German transformation), nf en (French transformation), but, due to the structure of our foreign language majority, the most common is BS en.

CE certification requires the provision of technical documentation for EN standards.

One is an international standards organization and the other is a regional (some European countries) standards organization. Just like China's national standards and local standards, one is implemented nationally and the other is implemented within the province. It's just that IEC and EN are more influential.

Many countries consider and adopt it when setting standards and exporting, or even equivalent. However, IEC and EN are both recommended standards, not mandatory standards. International practice, mandatory called regulations, directives, etc. (filial piety is generally product standards, or related to hygiene, safety, health, etc.).

Foreign standards are all for the regulations, directives to serve, support. Unlike China, the laws and regulations are all administrative in nature, and there are few technical regulations, and the technical regulations are promulgated in mandatory national standards.

The reason why the two give people a similar impression is that they, including ISOs, often refer to each other and transform each other. As we say, the ancient is for the present, and the foreign is for the Chinese. In fact, if international and regional standards organizations think that the standards of other countries are good, they will also adopt them.

For example, the well-known ISO 9000 originated from the U.S. military's quality assurance standard MIL-Q-9858.

The reason why international standards and regional standards are often adopted from each other is that as transnational standards, they must fully consider their universality, that is, the interests of member states (which is also a requirement of the WTO) when formulating them. Therefore, international standards are not necessarily the most advanced. For example, the two EU directives, which have recently been in the limelight, have drawn up a schedule in order to create obstacles and fully consider the interests of member states.

However, many Member States were also unable to implement it on time.

BS EN is not EN, it is strictly a British standard adopted by BSI from EN. It's just that it's equivalent adoption. Moreover, in recent years, attention has been paid to intellectual property rights, except for the first few pages, the original text of EN is followed (BSI's own mark is added on the side).

It wasn't like this before. pr en seems to be a discussion draft, not an official version. Some pr en's discussions were not followed and were not officially promulgated at all.

I estimate that the reason why the IEC is promulgated in English and French is because English is currently the most widely used language in the world, but as the rigor of technical work, it must be regulated by French, the most rigorous language in the world. In the event of any discrepancies, the French version shall prevail. Each ISO standard is also issued in English, French and Spanish at the same time, but it is not a merger of English and French like the IEC, as if each language is a single book.

At present, there are several common EN: EN (issued by the European Union itself), BS EN (converted by the UK), DIN EN (converted by Germany), and NF EN (converted by France), but due to the foreign language structure of most people in China, the most common is BS EN.

There is a range of standards and detailed guides.

Take IEC61340 (electrostatic standard) as an example, it consists of the following parts, and its general title is: Electrostatics.

IEC61340 1: General;

IEC61340 2 1: Electrostatic test method – charge rate;

IEC61340 2 2: Electrostatic test methods – Resistance and resistivity;

IEC61340 3 1: Methods for simulating electrostatic effects – Electrostatic discharge simulation – Human body model (HBM);

IEC61340 3 2: Methods for simulating electrostatic effects -- Electrostatic discharge simulation -- Machine model (mm);

IEC61340 3 3: Methods for simulating electrostatic effects -- Electrostatic discharge simulation cavity - Charged device model (CDM);

IEC61340 4 1: Standard test method for specific applications – Electrostatic properties of floor coverings and installed floors;

IEC 61340-4-4: Test Method for Electrostatic Protection of Flexible Intermediate Bulk Cargo Containers (FIBCs);

IEC61340 4 3: Standard test methods for specific applications – Test methods for the characteristics of electrostatic protective footwear;

IEC61340 5 1: Electrostatic protection of electronic devices – Basic requirements;

IEC61340 5 2: ESD Protection for Electronic Devices – User Guide.

IEC standards are not only the electrostatic standard IEC 61340, but also many other standards, such as the substation automation standard IEC 61850, the energy management system application programming interface (EMSAPI) standard IEC 61970, the distribution management system standard IEC 61968, and so on.

There is a series of standards and detailed guidelines, which consist of the following sections, which are collectively titled: Static Electricity.

IEC61340 1: General;

IEC61340 2 1: Electrostatic test method – charge rate;

IEC61340 2 2: Electrostatic test methods – Resistance and resistivity;

IEC61340 3 1: Methods for simulating electrostatic effects – Electrostatic discharge simulation – Human body model (HBM);

IEC61340 3 2: Methods for simulating electrostatic effects -- Electrostatic discharge simulation -- Machine model (mm);

IEC61340 3 3: Methods for simulating electrostatic effects – Electrostatic discharge simulation – Charged device model (CDM);

IEC61340 4 1: Standard test method for specific applications – Electrostatic properties of floor coverings and installed floors;

IEC 61340-4-4: Test Method for Electrostatic Protection of Flexible Intermediate Bulk Cargo Containers (FIBCs);

IEC61340 4 3: Standard test methods for specific applications – Test methods for the characteristics of electrostatic protective footwear;

IEC61340 5 1: Electrostatic protection of electronic devices – Basic requirements;

IEC61340 5 2: ESD Protection for Electronic Devices – User Guide.