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Reference IEC/TS 60479-1 ed4.0 withdrawn corrigendum

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Title Versión Oficial en Español - Efectos de la corriente sobre el hombre y los animales domésticos. Parte 1: Aspectos generales
Publication date 2005-07-13
Format, price
(Swiss francs)
and language
250.- 117 pages
250.- 570 Kb
 
Abstract For a given current path through the human body, the danger to persons depends mainly on the magnitude and duration of the current flow. However, the time/current zones specified in this publication are, in many cases, not directly applicable in practice for designing measures of protection against electrical shock. The necessary criterion is the admissible limit of touch voltage (i.e. the product of the current through the body called touch current and the body impedance) as a function of time. 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 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. 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 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. This technical specification has the status of a basic safety publication in accordance with IEC Guide 104. The contents of the corrigendum of October 2006 have been included in this copy.
Technical Committee 64 - Electrical installations and protection against electric shock  RSS
ICS Codes
13.200 Accident and disaster control
*Including emergency evacuations and emergency control systems
*Seismic and vibration protection of buildings, see 91.120.25

29.020 Electrical engineering in general
*Including voltages, general electrical terminology, electrical documentation, electrical tables, safety, fire hazard testing, etc.
*Electrical diagrams and charts, see 01.100.25
*Electrical power stations, see 27.100
*Electromagnetic compatibility, see 33.100
 
Replaced by
Stability date 2016
 
Work in progress
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