Effects of current on human beings and livestock - Part 5: Touch voltage threshold values for physiological effects

Amended by

IEC TR 60479-5:2007/COR1:2013

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Published date

11-07-2007

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Conditions and threshold values
  4.1 General
  4.2 Physiological effects of touch current
  4.3 Body impedance
  4.4 Impedance external to the body
  4.5 Other factors affecting voltage thresholds
  4.6 Touch voltage thresholds as a function of duration
  4.7 Touch voltage thresholds for long durations
5 Touch voltage thresholds - Presentation of voltage-time curves
Annex A (informative) Body impedance
Annex B (informative) Touch voltage - Explanation of a method to
        derive estimates of touch voltages thresholds for strong
        muscular reactions and ventricular fibrillation from
        the body impedance tables and current limits in
        IEC/TS 60479-1
Annex C (informative) Determination of voltage thresholds under
        selected conditions
Annex D (informative) Limits of applicability
Bibliography

This Technical Report provides touch voltage-duration combination thresholds based on analysis of information concerning body impedances and current thresholds of physiological effects, as given in IEC/TS 60479-1. Such threshold combinations relate to specific environmental and contact conditions that determine body impedance for particular current pathways. This technical report considers only (i) 50/60 Hz sinusoidal alternating voltage having no other frequency components and no significant direct voltage component, and (ii) direct voltage with no significant alternating component. This technical report provides thresholds as a result of calculations based on values from IEC/TS 60479-1, with uncertainties. Therefore thresholds proposed in this report also correspond to values with uncertainties. Touch voltage-duration combination thresholds are for use by technical committees as guidance for the determination of limits for touch voltage and touch voltage durations in various environmental situations. The contents of the corrigendum of July 2013 have been included in this copy.

DevelopmentNote	Stability Date: 2017. (10/2012)
DocumentType	Technical Report
Pages	118
PublisherName	International Electrotechnical Committee
Status	Current

Standards	Relationship
BIS IS/IEC 60479-5 : 2007	Identical
SANS ARP 60479-5 : 1ED 2008	Identical
SAC GB/T 13870.5 : 2016	Identical
NEN NPR IEC/TR 60479-5 : 2007	Identical
SANS ARP 60479-5:2008(R2020)	Identical
CEI IEC TR 60479-5:2023	Identical

15/30259978 DC : 0	BS EN 62477-2 - SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 2: POWER ELECTRONIC CONVERTERS FROM 1000 V A.C. OR 1500 V D.C. UP TO 36 KV A.C. OR 54 KV D.C.
BS EN 60519-1:2015	Safety in installations for electroheating and electromagnetic processing General requirements
UNE-EN 61140:2017	Protection against electric shock - Common aspects for installation and equipment
BS EN 62477-1 : 2012	SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL (IEC 62477-1:2012)
EN 60519-1:2015	Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements
11/30249994 DC : DRAFT JULY 2011	BS 7430 - CODE OF PRACTICE FOR PROTECTIVE EARTHING OF ELECTRICAL INSTALLATIONS
I.S. EN 62477-1:2012	SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL
IEEE 1187-2013 REDLINE	IEEE Recommended Practice for Installation Design and Installation of Valve-Regulated Lead-Acid Batteries for Stationary Applications
I.S. EN 61140:2016	PROTECTION AGAINST ELECTRIC SHOCK - COMMON ASPECTS FOR INSTALLATION AND EQUIPMENT
IEC TS 61201:2007	Use of conventional touch voltage limits - Application guide
NASA STD 3001 VOL 2 : 2015	NASA SPACE FLIGHT HUMAN-SYSTEM STANDARD - VOLUME 2: HUMAN FACTORS, HABITABILITY, AND ENVIRONMENTAL HEALTH
CSA CE CODE SAFETY PACKAGE : 2012	CE CODE SAFETY PACKAGE
IEC 60519-1:2015	Safety in installations for electroheating and electromagnetic processing - Part 1: General requirements
13/30277685 DC : 0	BS EN 60519-1 - SAFETY IN INSTALLATIONS FOR ELECTROHEATING AND ELECTROMAGNETIC PROCESSING - PART 1: GENERAL REQUIREMENTS
IEC 62477-1:2012+AMD1:2016 CSV	Safety requirements for power electronic converter systems and equipment - Part 1: General
BS EN 61140 : 2002	PROTECTION AGAINST ELECTRIC SHOCK - COMMON ASPECTS FOR INSTALLATION AND EQUIPMENT
I.S. EN 60519-1:2015	SAFETY IN INSTALLATIONS FOR ELECTROHEATING AND ELECTROMAGNETIC PROCESSING - PART 1: GENERAL REQUIREMENTS
EN 62477-1:2012/A1:2017	SAFETY REQUIREMENTS FOR POWER ELECTRONIC CONVERTER SYSTEMS AND EQUIPMENT - PART 1: GENERAL (IEC 62477-1:2012/A1:2016)
IEC 61140:2016	Protection against electric shock - Common aspects for installation and equipment
EN 61140:2016	Protection against electric shock - Common aspects for installation and equipment

IEC TS 60479-1:2005+AMD1:2016 CSV	Effects of current on human beings and livestock - Part 1: Generalaspects
IEC 60050-195:1998	International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
IEC 60990:2016	Methods of measurement of touch current and protective conductor current

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IEC TR 60479-5:2007

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