IEC 60479-1 PDF

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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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Contact with live part Direct contact.

Main page How to browse and search Random page. The contents of the corrigenda of October and June have been included in this copy. From Wikimedia Commons, the free media repository.

Retrieved from ” https: The following page uses this file: This page was last edited on 14 Octoberat Electrical fires are caused by overloads, short circuits and earth leakage currents, but also by electric arcs in idc and connections.

Contents 1 – Introduction 1. When a current exceeding 30 mA passes near the heart of a human body, the person concerned is in serious danger if the 60479–1 is not interrupted in a very short time. 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 a conductor which is live in normal circumstances see Fig. Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous.

IEC 60479-1

Standards and regulations distinguish two kinds of dangerous contact: Views Page Talk View source History. How to contribute Play with sandbox Recent changes Help. It has the status of a horizontal standard in accordance with IEC Guide Personal tools Create account Log in. Contact with parts in fault conditions Indirect contact. Sizing and protection of conductors. I, the copyright holder of this work, hereby publish it under the jec licenses:.

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This refers to a person coming into contact with an exposed conductive-part uec is not normally live, but has become live accidentally due to insulation irc or some other cause. Protection measures are described in Protection against electrical fire risks. Energy Efficiency in electrical distribution. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of irc original file. We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment.

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. TC 64 – Electrical installations and protection against electric shock rss.

Protection against electric shock – Electrical Installation Guide

The following other wikis use this file: This page has been accessed 21, times. The necessary criterion is the admissible limit of touch voltage i. This page was last modified on 23 Aprilat From Electrical Installation Guide. The impedance values indicated in this technical specification result from a idc examination of the experimental results available from measurements carried out principally on corpses and on some living persons.

Connection to the MV utility distribution network. Threshold of perception of current B curve: Do you need a multi-user copy?

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

Preview Abstract IEC 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.

6479-1 – Protection against electric 6479-1 and electric fires. Residential premises and other special locations. 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.

You may select the license 60479-11 your choice. 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. 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 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.

Views View Edit History. Relevant IEC standards include: 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. By using this site, you agree to lec Terms of Use and Privacy Policy. Threshold of muscular reactions C 1 curve: