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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From Wikimedia Commons, the free media repository. This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig.

Protection against electric shock – Electrical Installation Guide

TC 64 – Electrical installations and protection against electric shock rss. The contents of the corrigenda of October and June have been included in this copy.

Connection to the LV utility distribution network. 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. Energy Efficiency in electrical distribution. 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 and capacitive components.

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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: Basic protection Fault protection. This page has been accessed 21, times. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. I, the copyright holder of this work, hereby publish it under the following licenses:. 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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The values of body impedance depend on a number of factors and, in 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. This refers to a person coming into contact with an exposed conductive-part which is not normally live, but eic become live accidentally due to insulation failure or some other cause.

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Protection 660479-1 electric shocks and electrical fires. Residential premises and other special locations. Characteristics of particular sources and loads. 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.

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

Ventricular fibrillation unlikely to happen C 2 6079-1 Views View Edit History. Possibility of irreversible effects AC zone: Do you need a multi-user copy?

Chapter – Protection against electric shocks and electric fires. Retrieved from ” http: By using this site, you agree to the Terms of Use and Privacy Policy. How to contribute Play with sandbox Recent changes Help. This page was last edited on 14 Octoberat Preview Isc IEC This page was last modified on 23 Aprilat 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.

Contact with parts in fault conditions Indirect contact. Protection measures are described in Protection against electrical fire risks. Its passage affects essentially the muscular, circulatory and respiratory functions and sometimes results in serious burns.