Get Quick Access to the NEC® Essentials

Turn to NEC® 2008 Need to Know for quick access to vital National Electrical Code® (NEC®) information that you need. This expert resource explains and interprets key material from the first four chapters of the NEC®, including general installation requirements…branch circuits…feeders…services…overcurrent protection …grounding…conductors…conduits…cables…fixture wiring…switches… receptacles…lighting…motors…a/c and refrigeration…and generators- plus critical tables from Chapter 9.

Packed with on-target illustrations, this essential compliance tool contains calculations and formulas commonly used to determine conduit and conductor sizes, required ampacities, adjustment multipliers, and electrical loads. This guide also presents a listing of specialty topics such as Emergency Systems, Communications, and Special Occupancy, as well as a cross-reference table with types of installations and where to find applicable Code. Designed to save time and money, reduce errors, and increase safety, NEC® 2008 Need To Know features:

• Clear explanations and interpretations of in-demand NEC® information
• Commonly used calculations and formulas
• A listing of specialty topics keyed to applicable Code
• A handy cross-reference table for quick access to crucial material

Inside This On-the-Job Guide to Vital NEC® Information

• General Requirements for Electrical Installations
• Branch Circuits and Feeders
• Branch Circuit Feeders & Service Calculations and Electric Services
• Overcurrent Protection and Transformers
• Grounding and Bonding
• Wiring Methods
• Conductors
• Boxes and Cablebus
• Lighting Requirements
• Motors
• Refrigeration and A/C
• Generators
• Understanding and Applying NEC® Chapter 9 Tables
• Code Locations and References for Additional Codes
• Appendixes

National Fire Protection Association, NFPA, National Electrical Code, NEC, NFPA 70, and NFPA 70E are registered trademarks of the National Fire Protection Association. All NFPA trademarks are the official property of the National Fire protection Association. NEC® 2008 Need to Know is not affiliated with, authorized, endorsed by, or in any way officially connected with the National Fire Protection Association.

• Chapter 1. General Requirements for Electrical Installations
• Chapter 2. Branch Circuits (NEC 210) and Feeders (NEC 215)
• Chapter 3. Branch Circuit feeders and Service Calculations (NEC 220) and Electric Services (NEC 230)
• Chapter 4. Overcurrent Protection and Transformers (NEC 240)
• Chapter 5. Grounding and Bonding (NEC 250)
• Chapter 6. Wiring Methods (NEC 300)
• Chapter 7. Conductors (NEC 310)
• Chapter 8. Boxes and Cablebus (NEC 370)
• Chapter 9. Lighting Requirements (NEC 410)
• Chapter 10. Motors (NEC 430)
• Chapter 11. Refrigeration and A/C (NEC 440)
• Chapter 12. Generators (NEC 445)
• Chapter 13. Understanding and Applying NEC Chapter 9 Tables
• Chapter 14. Code Locations and References for Additional Codes
• Appendix A: Tables
• Appendix B: Conversion Methods
• Appendix C: Terminology
• Appendix D: Electrical Symbols