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IEC 60479 1 Effects of current on human beings and livestock Part 1 General aspects IEC TS 60479 1 2005 AMD1 2016 CSV 1st Edition by International Electrotechnical Commission ISBN 9782832200000

Name: IEC 60479 1 Effects of current on human beings and livestock Part 1 General aspects IEC TS 60479 1 2005 AMD1 2016 CSV 1st Edition by International Electrotechnical Commission ISBN 9782832200000
SKU: EB-46248120
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IEC 60479 1 Effects of current on human beings and livestock Part 1 General aspects IEC TS 60479 1 2005 AMD1 2016 CSV International Electrotechnical Commission Digital Instant Download

Author(s): International Electrotechnical Commission

ISBN(s): 9782832200000

Edition: 4.1

File Details: PDF, 2.16 MB

Year: 2016

Language: English

SKU: EB-46248120 Category: Technique - Regulatory Literature Tag: International Electrotechnical Commission

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IEC 60479 1 Effects of current on human beings and livestock Part 1 General aspects IEC TS 60479 1 2005 AMD1 2016 CSV 1st Edition by International Electrotechnical Commission – Ebook PDF Instant Download/Delivery: 9782832200000
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ISBN 13: 9782832200000
Author: International Electrotechnical Commission

IEC 60479-1:2005+A1:2016(E) 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 corrigenda of October 2006 and June 2013 have been included in this copy. This consolidated version consists of the fourth edition (2005) and its amendment 1 (2016). Therefore, no need to order amendment in addition to this publication.

IEC 60479 1 Effects of current on human beings and livestock Part 1 General aspects IEC TS 60479 1 2005 AMD1 2016 CSV 1st Edition Table of contents:

Foreword / Scope
Normative References
Terms and Definitions
Physical and Physiological Background
- Body impedance characteristics
- Current paths, frequency, moisture, etc.
Basic Aspects of Current Flow
- Concepts of touch voltage and touch current
- Time‑current relationships
Effects of Electric Current on Humans
- Thresholds of perception and let-go
- Ventricular fibrillation and organ effects
- Time–current zones of physiological effects
Effects of Electric Current on Livestock
- Similar physiological thresholds in animals
- Body impedance and frequency differences
Application Guidelines
- Safety limits
- Design considerations for electrical protection
- Environmental and situational modifiers
Annexes / Corrigenda
- Corrections from October 2006 & June 2013
Bibliography / References
Index

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Tags: International Electrotechnical Commission, human beings, General aspects