IEC 61666 PDF

Find the most up-to-date version of IEC at Engineering IEC Industrial systems, installations and equipment and industrial products – Identification of terminals within a system. Purchase your copy of BS EN , IEC as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards.

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A letter codes enables classification of objects. IEC structuring is hierarchical in nature. The IEC system allows drawing elements and products to be specified in either the functional, product or location aspect or some combination of two or more aspects. Questions – Reputation and Privilege Our question and answer system while letting you do exactly what it says, is much more. This makes the reference designation more meaningful without over complicating the implementation.

I also run into issues with other disciplines not wanting to follow the system. Alarm system, Clock system Lighting installation Electric power distribution Fire protection system Security system. Electrical equipment, Electrical components, Electric terminals, Identification methods, Designations, Codes, Circuit ie, Technical documents, Graphic representation, Graphic symbols, Diagrams, Electronic equipment and components.

Our IEE cable sizing was wrote a few years ago and had become rough around the edges.

iwc Each project or organisation tends to be unique so this makes some sense. Steven has over twenty five years experience working on some of the largest construction projects.


In a competitive environment the reference designation with document classification should give a competitive edge where machines are to combined in process units and plants.

Staðlabúðin – IEC

About the author myElectrical Engineering. Learn more about the cookies we use and how to change your settings. Typical code letters include Q for circuit breakers, T for transformers, A for assemblies switchboardsetc. A rectifier transformer is a transformer Your basket is empty. As a large company we are looking at implementing the DCC code as a part of the referance designation system.

View 4 Comments old system.

IEC Reference Designations

Clive, Thanks for sharing your research. Often when IEC document 6166 is compared to other methods ief is mistakenly assumed the difference is simply symbols. Hopefully and example will make it easier to understand. IECpublished 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.

Still sounds a little confusing? Systemes industriels, installations et appareils, et produits industriels. A pity really as I do think the DCC is well thought out. There are specified in more detail in IEC for each type of device.

This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. Closed Doors “I can live with doubt and uncertainty ie not knowing. Voltage Levels to IEC The standard aims to consolidate AC and traction uec within the industry and defines the following bands: From the earliest times, humans have found ways to create light. You may experience issues viewing this site in Internet Explorer 9, 10 or This note gives a brief overview and introduction to the reference designation system.


If you have some expert knowledge or experience, why not consider sharing this with our community. Accept and continue Learn more about idc cookies we use and how to change your settings. Take the smart route to manage medical device compliance. He has a deep technical understanding of electrical engineering and is keen to share this knowledge.

We leave the function aspect is freely definable. It is not an easy subject to cover briefly and is better understood by working with the system and seeing live examples.

However, in all these cases and after a couple of projects everyone on the team was highly praising of the IEC method and were not willing to go back to their old system. It also goes beyond just documentation and extends into physical devices and implementation.

If we do need to use we would define logical set of locations for the project. One of the areas of the IEC system which is sometimes confuses the first time people come across it is the formulation of reference designations. Depending on country and industry, people are either familiar with the IEC system or not.