CEI EN 50068 : 1998

1 Introduction
2 Scope
3 Definitions
4 Materials
5 Design
6 Manufacture and Workmanship
7 Inspection and Testing
8 Pressure Relief Devices
9 Certification and Marking
Appendix A - Welding Procedure and Welder
             Performance Tests
Appendix B - Sample of Record Form
Appendix C - National Deviations

Pertains to fusion welded wrought steel enclosures pressurized with dry air, inert gases, for example sulfur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high- voltage switchgear and controlgear with rated voltages 72,5 kV and above, where the gas is used for principally for its dielectric and/or arc-quenching properties.