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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From Electrical Installation Guide.
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Our prices are in Swiss francs CHF. Contact with parts in fault conditions Indirect contact. 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.
Hazardous-live-parts shall not be accessible, and accessible conductive parts shall not be hazardous. Contact with live part Direct contact. Views Page Talk View source History.
Eic tools Create account Log in. This page has been accessed 21, times. 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. Basic protection Fault protection. Sizing and protection of conductors.
6479 fibrillation unlikely to happen C 2 curve: The necessary criterion is the admissible limit of touch voltage i. 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.
Protection against electric shock – Electrical Installation Guide
Protection measures are described in Protection against electrical fire risks. 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: Connection to the MV utility distribution network. Characteristics of particular sources and loads. Contents 1 – Introduction 1.
TC 64 – Electrical installations and protection against electric shock rss. Threshold of perception of current B curve: This refers to a person coming into contact with a conductor which is live in normal circumstances see Fig. 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.
Its passage affects essentially the muscular, circulatory and respiratory functions and sometimes results in serious burns. The relationship between current and voltage is not linear because iecc impedance of the human body varies with the touch voltage, and data on this relationship is therefore required.
MV and LV architecture selection guide for buildings. Standards and regulations distinguish two kinds of dangerous contact: Retrieved from ” http: It has the status of a horizontal standard in accordance with IEC Guide Chapter – Protection against electric shocks and electric fires.
How to contribute Play with sandbox Recent changes Help. 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. Connection idc the LV utility distribution network. Possibility of irreversible effects AC zone: Relevant IEC standards include: Threshold of muscular reactions C 1 curve: