1. Overview
2. Normative references
3. Definitions, acronyms, and abbreviations
4. Current practices
5. Uniqueness
6. Naming convention
7. Applications
8. Illustrative examples
Annex A (informative) - Graphical representation
Annex B (informative) - IEEE Std C37.2 - 2008 Standard
Electrical Power System Device Function Numbers,
Acronyms, and Contact Designations
Annex C (informative) - IEC 61850, IEC 81346
Annex D (informative) - Summary of COMTRADE file format
Annex E (informative) - Bibliography