IEC TR 60479-5:2007
Current
The latest, up-to-date edition.
Effects of current on human beings and livestock - Part 5: Touch voltage threshold values for physiological effects
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07-11-2007
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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.
| Committee |
TC 64
|
| DevelopmentNote |
Stability Date: 2017. (10/2012)
|
| DocumentType |
Technical Report
|
| Pages |
113
|
| PublisherName |
International Electrotechnical Committee
|
| Status |
Current
|
| Standards | Relationship |
| BIS IS/IEC 60479-5 : 2007 | Identical |
| SAC GB/T 13870.5 : 2016 | Identical |
| NEN NPR IEC/TR 60479-5 : 2007 | 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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