IEC 61140:2016

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Fundamental rule of protection against electric shock
5 Protective provisions (elements of protective measures)
6 Protective measures
7 Co-ordination between electrical equipment and
  protective provisions within an electrical installation
8 Special operating and servicing conditions
Annex A (informative) - Survey of protective measures
        as implemented by protective provisions
Annex B (informative) - Index of terms
Annex C (informative) - List of notes concerning certain
        countries
Bibliography

IEC 61140:2016 applies to the protection of persons and livestock against electric shock. The intent is to give fundamental principles and requirements which are common to electrical installations, systems and equipment or necessary for their coordination, without limitations with regard to the magnitude of the voltage or current, or the type of current, and for frequencies up to 1 000 Hz. It has the status of a basic safety publication in accordance with IEC Guide 104. This fourth edition cancels and replaces the third edition published in 2001 and Amendment 1:2004. This edition constitutes a technical revision.