IEC 60479-1 PDF

Comply with a (yet to be developed) authoritative NZ specific set of Power Coordination hazard voltage limits, calculated from IEC on a similar. IEC publication updated in defines four zones of current- magnitude /time-duration, in each of which the pathophysiological. IEC TS Effects of current on human beings and livestock -. Part 1: General aspects. • IEC TS Effects of current on.

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Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous. Retrieved 64079-1 ” http: This page was last edited on 14 Octoberat By using this site, you agree to the Terms of Use and Privacy Policy.

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

Chapter – Protection against electric shocks and electric fires. The degree of danger for the victim is a function of the magnitude of the current, the parts of the body through which the current passes, and the duration of current flow.

Connection to the MV utility distribution network. Contact with parts in fault conditions Indirect contact.

The following test report forms are related: Do you need a multi-user copy? Residential premises and other special locations.

Possibility 6047-91 irreversible effects AC zone: 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.

Basic protection Fault protection.

Ventricular fibrillation unlikely to happen C 2 curve: The fault current raises the exposed-conductive-part to a voltage liable to be hazardous as it generates a touch current through a person coming into contact with this exposed-conductive-part see Fig.

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You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. This page was last modified on 23 Aprilat Protection against electric shocks and electrical fires. 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: Relevant IEC standards include: MV and LV architecture selection guide for buildings.

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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Sizing and protection of conductors. This refers to a person coming into contact with an iecc conductive-part which is not normally live, but has become live accidentally due to insulation failure or some other cause. You may select the license of your choice. Our prices are in Swiss francs CHF. 600479-1 64 – Electrical installations and protection against electric shock rss.

Its passage affects essentially the muscular, circulatory and respiratory functions and sometimes results in serious burns. Characteristics of particular sources and loads.

Main page How to browse and search Random page. Protection measures are described in Protection against electrical fire risks. Connection to the LV utility distribution network. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

Retrieved from ” https: Threshold of perception of current B curve: We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment. Views View Edit History. This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig.

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Threshold of muscular reactions C 1 curve: The necessary criterion is the admissible limit of touch voltage i. The following page uses this file: The contents of the corrigenda of October and June have been included in this copy. Electrical fires are caused by overloads, short circuits and earth leakage currents, but also by electric arcs in cables and connections.

Protection against electric shock – Electrical Installation Guide

Contact with live part Direct contact. 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. From Electrical Installation Guide. The following other wikis use this file: From Wikimedia Commons, the free media repository.

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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. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it.

6047-91 protection of persons against electric shock in LV installations must be provided in conformity with appropriate national standards, statutory regulations, codes of practice, official guides ieec circulars etc.