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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 materialInside 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 Read more ASIN B001AQ9DT2 XRay Not Enabled ISBN13 978-0071642620 Edition 1st Language English File size 16.2 MB Page Flip Enabled Publisher McGraw Hill Word Wise Not Enabled Print length 329 pages Accessibility Learn more Screen Reader Supported Publication date July 1, 2008 Enhanced typesetting Enabled