CONTENTS

 1     Introduction
 2     Scope
 3     Reference texts
 4     Definitions
        4.1     Reference circuit representation
 5     Unbalance test
        5.1     Test arrangement
        5.2     Testing conditions
        5.3     Measurements
 6     Admissible values
 7     Protection against effects of unbalance of equipment
Appendix I  –  Disturbing mechanisms
        I.1     Origin of noise effects
        I.2     Conversion mechanism at the input of an equipment