FOREWORD
1 Scope
1.1 Classes
1.2 Categories
1.3 Types
2 Normative references
3 Definitions
3.1 Terms defined in accordance with IEC 60050(121),
IEC 60050(151) and IEC 60050(601)
3.2 Terms defined in accordance with IEC 61318
3.3 Terms defined in accordance with IEC 60743
3.4 Definitions of special terms used in this standard
4 Classification
5 Physical requirements
5.1 Shape and dimensions
5.2 Material
5.3 Workmanship and finish
5.4 Marking
6 Tests on covers
6.1 General
6.2 Visual inspection
6.3 Mechanical tests
6.4 Dielectric tests
6.5 Ozone resistance
7 Tests on covers with special properties
7.1 General
7.2 Category C, extreme low temperature
7.3 Category W, extreme high temperature
7.4 Category A, acid resistance
7.5 Category H, oil resistance
7.6 Category P, humid conditions
8 Quality assurance plan and acceptance test
8.1 General
8.2 Records
9 Acceptance tests
10 Recommendations for in-service care
Annex A (normative) Marking
Annex B (normative) List and classification of tests
Annex C (normative) Test circuit and drawing for guard
electrodes and supports
Annex D (normative) Mechanical shock test
Annex E (normative) Potential electrodes for covers
protecting live parts and mechanical positioning
of covers
Annex F (normative) Sampling procedure
Annex G (informative) Guidelines for the selection of the
class of covers
Annex H (informative) Recommendations for in-service care
Annex J (informative) Example of handling adapter
Annex K (informative) Acceptance tests
Figures
Tables