Reference Standard for Double Insulation Systems for Use in Electronic Equipment

Available format(s)

Hardcopy

Language(s)

English

Published date

28-12-2006

Publisher

Underwriters Laboratories

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.

DocumentType	Standard
Pages	0
PublisherName	Underwriters Laboratories
Status	Current
Supersedes	UL 2097 : 3

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