UL 2097:4ED 2006-12-28
Current
The latest, up-to-date edition.
Reference Standard for Double Insulation Systems for Use in Electronic Equipment
Hardcopy
English
28-12-2006
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FOREWORD
PREFACE
1. Introduction
1.1 Scope
1.2 General
1.3 Glossary
1.4 General requirements
1.5 General conditions for tests
1.6 Markings
2. Fundamental construction requirements
2.1 Protection against electric shock
2.2 Insulation
2.3 SELV circuits and dead metal parts
2.4 Spacings (creepage distances and clearances)
2.5 Safety isolating transformers
3. Supply
3.1 Insulation
3.2 Power supply cords
4. Physical requirements
5. Thermal and electrical requirements
5.1 Leakage current test
5.2 Dielectric voltage-withstand tests
5.3 Overload conditioning of safety isolating
transformer insulation
Appendix A
Insulation typically required between parts of equipment
Appendix B
International electrical symbol
This new edition of UL 2097 is being issued through UL’s electronic publishing system to ensure format uniformity between the PDF and HTML versions of the document. While numbering and figure placement, where appropriate, may have been updated, no substantive changes have been incorporated in the document.
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Underwriters Laboratories
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| Status |
Current
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