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IEC TS Effects of current on human beings and livestock -. Part 1: General aspects. • IEC TS Effects of current on. Protection measures are described in sections 1 to 8. IEC publication updated in defines four zones of current-magnitude. Comply with a (yet to be developed) authoritative NZ specific set of Power Coordination hazard voltage limits, calculated from IEC on a similar.

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Connection to the LV utility distribution network. MV and LV architecture selection guide for buildings. Basic protection Fault protection.

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File:IEC TS 60479-1 electric shock graph.svg

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The following page uses this file: Ventricular fibrillation unlikely ie happen C 2 curve: It has the status of a horizontal standard in accordance with IEC Guide Standards and regulations distinguish two kinds of dangerous contact: The following other wikis use this file: Retrieved from ” https: Energy Efficiency in electrical distribution.

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Personal tools Create account Log in. The contents of the corrigenda of October and June have been included 604799 this copy.

This refers to a person coming into contact with an exposed conductive-part which is not normally live, but has become live accidentally due to insulation failure or some other cause. Threshold of perception of current B curve: This page has been accessed 21, times. Our prices are in Swiss francs CHF.

Connection to the MV utility distribution network.

How to contribute Play with sandbox Recent changes Help. The relationship between current and voltage is not linear because the impedance of the human body varies with the touch voltage, and data on this relationship is therefore required.

Chapter – Protection against electric shocks and electric fires.

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The fundamental rule of protection against electric jec is provided by the document IEC “Protection against electric shock — Common aspects for installations and equipment” which covers both electrical installations and electrical equipment.

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IEC 60479-1

If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. When a current exceeding 30 mA passes near the heart of a human body, the person concerned is in serious danger if the current is not interrupted in a very short time.

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By using this site, you agree to the Terms of Use and Privacy Policy. The following test report forms are related: Protection measures are described in Protection against electrical fire risks. Residential premises and other special locations. Protection against electric shocks and electrical fires. Relevant IEC standards include: Sizing and protection of conductors. Log-log graph of the effect of alternating current I of duration T passing from left hand to feet as defined in IEC publicationredrawn by CMG Lee based on http: The necessary criterion is the admissible limit of touch voltage i.

The impedance values indicated in this technical specification result from a close examination of the experimental results available from measurements carried out principally on corpses and on some living persons.

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oec Contact with parts in fault conditions Indirect contact. Electrical fires are caused by overloads, short circuits and earth leakage currents, but also by electric arcs in cables and connections.

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