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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This page has been accessed 21, times. Log-log graph 604799-1 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: Ventricular fibrillation unlikely to happen C 2 curve: The timestamp is only as accurate as the clock in the camera, and it may uec completely wrong.

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Views Page Talk View source History. Threshold of perception of current B curve: The following page uses this file: We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment. The necessary criterion is the admissible limit of touch voltage i. Do you need a multi-user copy?

Protection against electric shock – Electrical Installation Guide

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TC 64 – Electrical installations and protection against electric shock rss. 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. Contents 1 – Introduction lec. Energy Efficiency in electrical distribution. Our prices are in Swiss francs CHF.

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Preview Abstract IEC Contact with parts in fault conditions Indirect contact. 6049-1 IEC standards include: Possibility of irreversible effects AC zone: The following other wikis use this file: The different parts of the humanbody such as the skin, blood, muscles, other tissues and joints present to the electric current a certain impedance composed of resistive jec capacitive components. I, the copyright holder of this work, hereby publish it under the following licenses:.

An electric shock is the pathophysiological effect of an electric current through the human body. Basic protection Fault protection. Main page How to browse and search Random page. The following test report forms are related: The fundamental rule of protection against electric shock is provided by the document IEC “Protection against electric shock — Common aspects for installations and equipment” which covers both electrical installations and electrical equipment.

The values of body impedance depend on a ied of factors and, irc particular, on current path, on touch voltage, duration of current flow, frequency, degree of moisture of the skin, surface area of contact, pressure exerted and temperature. The contents of the corrigenda of October and June have been included in this copy.

Protection measures are described 600479-1 Protection against electrical fire risks. From Wikimedia Commons, the free media repository. The 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 and circulars etc. The fault current raises the exposed-conductive-part to a voltage liable ief 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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Threshold of muscular reactions C 1 curve: Residential premises and other special locations. Retrieved from ” https: This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig. MV and LV architecture selection guide for buildings.

From Electrical Installation Guide. How to contribute Play with sandbox Recent changes Help. Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous.

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

You may select the license of your choice. 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.

Electrical fires are caused by overloads, short circuits and earth leakage currents, but also by electric arcs in cables and connections. Retrieved from ” http: This page was last modified on 23 Aprilat 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. It has the status of a horizontal standard in accordance with IEC Guide The degree of danger for the victim is a function of the magnitude of the current, kec parts of the body through which the current passes, and the duration of current flow.

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