IEC 60479 PDF

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. IEC/TR Edition TECHNICAL. REPORT. RAPPORT. TECHNIQUE. Effects of current on human beings and livestock –. Part 5: Touch.

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The relationship between current and voltage is not linear because the impedance of the human body varies with the touch lec, and data on this relationship is therefore required. This page has been accessed 21, times.

Threshold of perception of current B curve: 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 ied is not interrupted in a very short time.

Sizing and protection of conductors. Contact with parts in fault conditions Indirect contact. Retrieved from ” http: The necessary criterion is the admissible limit of touch voltage i. Connection to the LV utility distribution network.

IEC 60479-1

Standards and regulations distinguish two kinds of dangerous contact: Residential premises and other special locations. Preview Abstract IEC 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.

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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. Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous.

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Our prices are in Swiss francs CHF. Possibility of irreversible effects AC zone: Energy Efficiency in electrical distribution.

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

Personal tools Create account Log in. The degree of danger for the victim is a function isc the magnitude of the current, the parts of the body through which the current passes, and the duration of current flow. 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.

Protection against electric shock – Electrical Installation Guide

Threshold of muscular reactions C 1 curve: We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment. The following test report forms are related: 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.

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MV and LV architecture selection guide for buildings. Protection measures are described in Protection against electrical fire risks.

This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig. TC 64 – Electrical installations and protection against electric shock rss.

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. Relevant IEC standards include: Characteristics of particular sources and loads.

Its passage affects essentially the muscular, circulatory and respiratory functions and sometimes results in serious burns. Main page How to browse and search Random page. From Electrical Installation Guide. Protection against electric shocks and electrical fires. It has the status of a horizontal standard in accordance with IEC Guide