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The 2007 NESC Handbook, Sixth Edition, edited by Allen Clapp, is an essential companion to the Code. It gives users insight into what lies behind the NESC's rules and how to apply them. The Handbook was developed for use at many levels in the electric and communication industries, including those involved in system design, construction, maintenance, inspection, standards development and worker training. The Handbook also discusses how the NESC Committee has interpreted the rules in the Code and responded to change proposals during the past 85 years. This allows users to understand how questions they may have were dealt with in the past. The Handbook looks at how the 2007 Code, with its many additions and revisions, differs from the 2002 version and what this means for users. The 2007 Code includes changes in a great many areas, including: - Rounding numbers found in the rules - Metal grounding poles - Starting voltages and clearances - Grounding and insulation for guys - Clearances between transmission lines - Multiplex cable attachment to neutral brackets - Loading due to freezing rain and wind - Fiber-reinforced polymer elements - Worker loads - Equipment bonding - Arc exposure analysis - Antenna radiation exposure limits The 2007 edition also contains new appendices on loading and conductor movement, extreme wind loading, and maximum over-voltage at a work site.
Section 1. Introduction to the National Electrical Safety Code.
Section 2. Definitions of Special Terms.
Section 3. References.
Section 9. Grounding Methods for Electric Supply and Communications Facilities.
PART 1: RULES FOR THE INSTALLATION AND MAINTENANCE OF ELECTRIC SUPPLY STATIONS AND EQUIPMENT.
Section 10. Purpose and Scope of Rules.
Section 11. Protective Arrangements in Electric Supply Stations.
Section 12. Installation and Maintenance of Equipment.
Section 13. Rotating Equipment.
Section 14. Storage Batteries.
Section 15. Transformers and Regulators.
Section 16. Conductors.
Section 17. Circuit Breakers, Reclosers, Switches, and Fuses.
Section 18. Switchgear and Metal Enclosed Bus.
Section 19. Surge Arresters.
PART 2: SAFETY RULES FOR THE INSTALLATION AND MAINTENANCE OF ELECTRIC SUPPLY AND COMMUNICATION LINES.
Section 20. Purpose, Scope, and Application of Rules.
Section 21. General Requirements.
Section 22. Relations Between Various Classes of Lines and Equipment.
Section 23. Clearances.
Section 24. Grades of Construction.
Section 25. Loading for Grades B, C, and D.
Section 26. Strength Requirements.
Section 27. Line Insulation.
Section 28. Miscellaneous Requirements (1987 and prior editions only).
Section 29. Rules for Underground Lines (Sixth and prior editions only).
PART 3. SAFETY RULES FOR THE INSTALLATION AND MAINTENANCE OF UNDERGROUND ELECTRIC SUPPLY AND COMMUNICATION LINES.
Section 30. Purpose, Scope, and Application of Rules.
Section 31. General Requirements Applying to Underground Lines.
Section 32. Underground Conduit Systems.
Section 33. Supply Cable.
Section 34. Cable in Underground Structures.
Section 35. Direct-Buried Cable.
Section 36. Risers.
Section 37. Supply Cable Terminations.
Section 38. Equipment.
Section 39. Installation in Tunnels.
PART 4. RULES FOR THE OPERATION OF ELECTRIC SUPPLY AND COMMUNICATIONS LINES AND EQUIPMENT.
Section 40. Purpose and Scope.
Section 41. Supply and Communications Systems— Rules for Employers.
Section 43. Additional Rules for Communications Employees.
Section 44. Additional Rules for Supply Employees.
Appendix A: Reviewers and Policy.
Appendix B: Safety Signs.
Appendix C: Metric Conversions.
Appendix D: Cross References of Major OSHA and NESC Requirements.
Appendix E: Application of the National Electrical Safety Code Grandfather Clause.