Table of Contents

FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Procedure for insulation co-ordination
6 Requirements for standard withstand voltage tests
Annex A (normative) - Clearances in air to assure a
        specified impulse withstand voltage installation
Annex B (informative) - Values of rated insulation
        levels for 1 kV < U[M] = 245 kV for highest
        voltages for equipment U[M] not standardized
        by IEC based on current practice in some
        countries
Bibliography

Abstract

Pertains to three-phase a.c. systems having a highest voltage for equipment above 1 kV.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 28