1 Overview
2 Normative references
3 Definitions
4 General requirements
5 Testing requirements
6 Marking requirements
7 Documentation
Annex A (informative) - Bibliography
Annex B (normative) - Requirements for Class I, II,
and III Division 2 hazardous
(classified) areas
Annex C (normative) - Skin effect trace heating system
requirements for Class I,
Zone 1; Class I, Zone 2;
Zone 1; Zone 2; Zone 21; and Zone
Annex D (normative) - Skin effect trace heater design
verification methodology