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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Contact with parts in fault conditions Indirect contact. By using this site, you agree to the Terms of Use and Privacy Policy. Energy Efficiency in electrical distribution. This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig. 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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It has the status of a horizontal standard in accordance with IEC Guide 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. 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.

An electric shock is the pathophysiological effect of an electric current through the human body.

Standards and regulations distinguish two kinds of dangerous contact: Personal tools Create account Log in. Connection to the MV utility distribution network.

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Protection against electric shock – Electrical Installation Guide

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. Possibility of irreversible effects AC zone: 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: Residential premises and other special locations.

We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment. Connection to the LV utility distribution network. This page was last modified on 23 Aprilat Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous. Contents 1 – Introduction 1.

IEC 60479-1

Views View Edit History. Basic protection Fault protection. How to contribute Play with sandbox Recent changes Help. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.

From Wikimedia Commons, the free media repository. The following other wikis use this file: Main page How to browse and search Isc page. Threshold of perception of current B curve: Retrieved from ” https: Irc contents of the corrigenda of October and June have been included in this copy. 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.

The following test report forms are related: Protection measures are described in Protection against electrical fire risks. The different parts of 60479- 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. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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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.

Retrieved from ” http: Protection against electric shocks and electrical fires. Views Page Talk View source History.

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

Its passage affects essentially the muscular, circulatory and respiratory functions and sometimes results in serious burns. Sizing and protection of conductors. 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. Chapter – Protection against electric shocks and electric fires. 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.

The necessary criterion is the admissible limit of touch voltage i. This page was last edited on 14 Octoberat MV and LV architecture selection guide for buildings. 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.

From Electrical Installation Guide. Do you need a multi-user copy? TC 64 – Electrical installations and protection against electric shock rss.