Electrical Grounding

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Author: Ronald O'Riley
Edition: 006
Product Type: Bound Book
ISBN 13: 9780766832251
ISBN 10: 0766832252
Copyright: 2002

Price: $134.95

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The sixth edition of Electrical Grounding has been thoroughly updated in accordance with the 2002 National Electrical Code (NEC®), including a major reorganization of sections in Chapter 3 of the NEC and increased use of metric measurements. Early chapters serve as an orientation to the "what" and "why" of grounding, including explanations of the electrical theory and terminology used in Article 250 of the NEC®. Subsequent chapters of the book permit readers to explore individual conductors used in the grounding system in detail, starting with the grounding electrode. Permitted materials (including metal, steel and encased concrete), installation, sizing, and potential pitfalls are addressed. Once readers have become comfortable with basic installations, the book devotes attention to special installations, such as: separately derived systems, multiple buildings or structures served by a common service, high-voltage installations, and the use of ground-fault protection. The author's unique systematic approach has served as an effective path to true understanding of every phase of electrical grounding for countless journeyman electricians.


  • Whenever the same rule is applicable to more than one conductor, it is repeated when that conductor is discussed eliminating the distraction created by "back-and-forth" rule referencing.
  • Simplified line drawings and flow diagrams throughout the book offer guidance in calculating conductor sizes and reading NEC® tables.
  • Specific examples show readers how to calculate a conductor size, as well as how to use various NEC® tables (reproduced in the book) for grounding conductor sizing.
  • Comprehensive coverage of neutral (grounded) conductors spans the spectrum, from the use of grounded conductor connections in DC and AC systems through overcurrent protection.
  • Bonding on the line side of the service, as well as the load side of the service, includes discussion of various installations and sizing, as well as the reason for bonding jumpers.

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