FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Testing
6 Marking
7 Documentation requirements
Annex A (informative) - Type test matrix for
Gb/Gc/Db/Dc (Traditional
relationship to Zones 1/2/21/22)
Annex B (informative) - Checklist for installation requirements
Annex C (normative) - Trace heater product design verification
methodology
Annex D (normative) - Requirements for Division 1 and Division 2
trace heating systems
Annex E (normative) - Type test matrix for Division 1 and 2
explosive atmospheres
Bibliography