IEC 60479 1 PDF

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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The protection of persons against electric shock in LV installations must be provided in conformity with appropriate national standards, statutory ie, codes of practice, official guides and circulars etc.

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. Contact with live part Direct contact. 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.

Threshold of perception of current B curve: You may select the license of your choice.

File:IEC TS electric shock – Wikimedia Commons

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. This page was last modified on 23 Aprilat Hazardous-live-parts shall 6049 be accessible, and accessible conductive parts shall not be hazardous. You may do so in any reasonable manner, but not in kec way that suggests the licensor endorses you or your use.

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Protection against electric shock – Electrical Installation Guide

This page has been accessed 21, times. Relevant IEC standards include: Characteristics of particular sources and loads. An electric shock is the pathophysiological effect of an electric current through the human body.

Protection measures are described in Protection against electrical fire risks. Connection to the LV utility distribution network.

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. MV and LV architecture selection guide for buildings. Contents 1 – Introduction 1.

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

Energy Efficiency in electrical distribution. This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig.

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. Connection to the MV utility distribution network. Standards and regulations distinguish two kinds of dangerous ieec Ventricular fibrillation unlikely to 604799 C 2 curve: The contents of the corrigenda of October and June have been included in this copy.

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Chapter – Protection against electric shocks and electric fires. This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to ie or digitize it. The relationship between current and voltage is not linear 604479 the impedance of the human body varies with the touch voltage, and data on this relationship is therefore required. By using this site, you agree to the Terms of Use and Privacy Policy.

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.

Electrical fires are caused by overloads, short circuits and earth leakage currents, but also by electric arcs in cables and connections. Views Page Talk View source History. Main page How to browse and search Random page. From Wikimedia Commons, the free media repository.

It has the status of a horizontal standard in accordance with IEC Guide TC 64 – Electrical installations and protection against electric shock rss. Contact with parts in fault conditions Indirect contact.