EFFECTS OF CURRENT ON HUMAN BEINGS AND LIVESTOCK - PART 5: TOUCH VOLTAGE THRESHOLD VALUES FOR PHYSIOLOGICAL EFFECTS
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
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.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 64 |
