IEC 60479 1 PDF

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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Protection against electric shocks and electrical fires. You may select the license of your choice. Log-log graph of the effect of alternating current I of duration T passing from left hand to feet as defined in IEC idcredrawn by CMG Lee based on http: From Wikimedia Commons, the free media repository.

The following page uses this file: 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. Standards and regulations distinguish two kinds of dangerous contact: Threshold of perception of iwc B curve: Do you need a multi-user copy?

This page was last modified on 23 Aprilat 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. Basic protection Fault protection.

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IEC 60479-1

The timestamp is only as accurate as the clock in the camera, and it may be completely wrong. 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.

Electrical fires are caused by overloads, short circuits and earth leakage currents, but also by electric arcs in cables and connections. ied

Connection to the LV utility distribution network. Contact with live part Direct contact.

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

The necessary criterion is the admissible limit of touch voltage i. The following other wikis use this file: From Electrical Installation Guide. Preview Abstract IEC 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. Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous.

File:IEC TS electric shock – Wikimedia Commons

This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to ifc or digitize it.

You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. An electric shock is the pathophysiological effect of an electric current through the human body.

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Main page How to browse and search Random page. Contact with parts in fault conditions Indirect contact. TC 64 – Electrical installations and protection against electric shock rss. Sizing and protection of conductors. Ventricular fibrillation unlikely to happen C 2 curve: The contents of the corrigenda of October and June have been included in this copy. Connection to the MV utility distribution network. MV and LV architecture selection guide for buildings. Its passage affects essentially the muscular, circulatory and respiratory functions and sometimes results in serious burns.

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Threshold of muscular reactions C 1 curve: The relationship between current and voltage is not linear because the impedance of the human body ifc with the touch voltage, and data on this relationship is therefore required. Contents 1 – Introduction 1. Characteristics of particular sources and loads.

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Energy Efficiency in electrical distribution. The protection of persons against electric shock in LV installations 604799 be provided in conformity with appropriate national standards, statutory regulations, codes of practice, official guides and circulars etc.

Personal tools Create account Log in. Chapter – Protection against electric shocks and electric fires.