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McGraw-Hill's National Electrical Code 2014 grounding & earthing handbook /
McGraw-Hill's National Electrical Code 2014 Grounding and Earthing Handbook fully addresses the above-grade grounding and below-grade earthing issues related to Article 250 of the 2014 National Electrical Code. This practical guide features in-depth discussions of each of the Code's requir...
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Autor Corporativo: | |
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York, N.Y. :
McGraw-Hill Education,
[2014]
|
| Edición: | First edition. |
| Colección: | McGraw-Hill's AccessEngineering.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Acknowledgments
- Introduction
- 1. Summary of grounding and earthing requirements in the 2014 national electrical code
- Introduction
- Legal
- Overview
- System bonding (neutral-to-ground bonding)
- Equipment-grounding conductor
- Bonding
- Grounding electrode conductor
- Grounding electrode
- Conclusion
- 2. Grounding/earthing systems
- Introduction
- Zone (or sphere) of influence
- Grounding electrodes
- System design and planning
- Soil resistivity testing
- Testing of existing grounding systems
- Ground potential rise
- The effects of lightning on a grounding system
- Summation of lightning effects on grounding systems
- Standards for lightning protection systems
- Conclusion
- 3. Economic and legal analysis
- Economic considerations
- Legal considerations
- 4. Nec 250 part i: general
- 250.1. Scope
- 250.2. Definitions
- 250.3. Application of other articles
- 250.4. General requirements for grounding and bonding
- 250.6. Objectionable current
- 250.8. Connection of grounding and bonding equipment
- 250.10. Protection of ground clamps and fittings
- 250.12. Clean surfaces
- 5. Nec 250 part ii: system grounding
- 250.20. Alternating-current systems to be grounded
- 250.21. Alternating-current systems of 50 volts to 1000 volts not required to be grounded
- 250.22. Circuits not to be grounded
- 250.24. Grounding service?supplied alternating-current systems
- 250.26. Conductor to be grounded?alternating-current systems
- 250.28. Main bonding jumper and system bonding jumper
- 250.30. Grounding separately derived alternating-current systems
- 250.32. Buildings or structures supplied by a feeder(s) or branch circuit(s)
- 250.34. Portable and vehicle-mounted generators
- 250.35. Permanently installed generators
- 250.36. High-impedance grounded neutral systems
- 6. Nec 250 part iii: grounding electrode system and grounding electrode conductor
- 250.50. Grounding electrode system
- 250.52. Grounding electrodes
- 250.53. Grounding electrode system installation
- 250.54. Auxiliary grounding electrodes
- 250.58. Common grounding electrode
- 250.60. Use of strike-termination devices
- 250.64. Grounding electrode conductor installation
- 250.66. Size of alternating-current grounding electrode conductor
- 250.68. Grounding electrode conductor and bonding jumper connection to grounding electrodes
- 250.70. Methods of grounding and bonding conductor connections to electrodes.
- 7. Nec 250 part iv: enclosure, raceway, and service cable connections
- 250.80. Service raceways and enclosures
- 250.84. Underground service cable or raceway
- 250.86. Other conductor enclosures and raceways
- 8. Nec 250 part v: bonding
- 250.90. General
- 250.92. Services
- 250.94. Bonding for other systems
- 250.96. Bonding other enclosures
- 250.97. Bonding for over 250 volts
- 250.98. Bonding loosely jointed metal raceways
- 250.100. Bonding in hazardous (classified) locations
- 250.102. Bonding conductors and jumpers
- 250.104. Bonding of piping systems and exposed structural steel
- 250.106. Lightning protection systems
- 9. Nec 250 part vi: equipment grounding and equipment-grounding conductors
- 250.110. Equipment fastened in place (fixed) or connected by permanent wiring methods
- 250.112. Specific equipment fastened in place (fixed) or connected by permanent wiring methods
- 250.114. Equipment connected by cord and plug
- 250.116. Nonelectrical equipment
- 250.118. Types of equipment-grounding conductors
- 250.119. Identification of equipment-grounding conductors
- 250.120. Equipment-grounding conductor installation
- 250.121. Use of equipment-grounding conductors
- 250.122. Size of equipment-grounding conductors
- 250.124. Equipment-grounding conductor continuity
- 250.126. Identification of wiring device terminals
- 10. Nec 250 part vii: methods of equipment grounding
- 250.130. Equipment-grounding conductor connections
- 250.132. Short sections of raceway
- 250.134. Equipment fastened in place or connected by permanent wiring methods (fixed)?grounding
- 250.136. Equipment considered grounded
- 250.138. Cord and plug?connected equipment
- 250.140. Frames of ranges and clothes dryers
- 250.142. Use of grounded circuit conductor for grounding equipment
- 250.144. Multiple circuit connections
- 250.146. Connecting receptacle-grounding terminal to box
- 250.148. Continuity and attachment of equipment-grounding conductors to boxes
- 11. Nec 250 part viii: direct current systems
- 250.160. General
- 250.162. Direct current circuits and systems to be grounded
- 250.164. Point of connection for direct current systems
- 250.166. Size of direct current grounding electrode conductor
- 250.167. Direct current ground-fault detection
- 250.168. Direct current system bonding jumper
- 250.169. Ungrounded direct current separately derived systems.
- 12. Nec 250 part ix: instruments, meters, and relays
- 250.170. Instrument transformer circuits
- 250.172. Instrument transformer cases
- 250.174. Cases of instruments, meters, and relays operating at less than 1000 volts
- 250.176. Cases of instruments, meters, and relays?operating voltage 1000 volts and over
- 250.178. Instrument equipment-grounding conductor
- 13. Nec 250 part x: grounding of systems and circuits of over 1 kilovolt
- 250.180. General
- 250.182. Derived neutral systems
- 250.184. Solidly grounded neutral systems
- 250.186. Ground-fault circuit conductor brought to service equipment
- 250.187. Impedance-grounded neutral systems
- 250.188. Grounding of systems supplying portable or mobile equipment
- 250.190. Grounding of equipment
- 250.191. Grounding systems at alternating current substations
- 250.194. Grounding and bonding of fences and other metal structures
- 14. Nec article 680: swimming pools, fountains, and similar installations
- 680.6. Grounding
- 680.21. Motors
- 680.23. Underwater luminaires
- 680.25. Feeders
- 680.26. Equipotential bonding
- 15. Changes to the 2014 national electrical code
- Part i
- Part ii
- Part iii
- Part v
- Part vi
- Part vii
- Part viii
- Part ix
- Part x
- 16. Canadian electrical code
- Section 10?grounding and bonding
- 17. Bonding jumpers
- Jumper definitions
- 18. Grounding questions and answers
- Bonding questions and answers
- Electrical grounding
- Electrical standards
- Electrical wiring
- Ground potential rise
- Grounding electrodes
- Grounding test methods
- Lightning and thunderstorms
- A. Appendix a: key articles of the national electrical code
- Required to be bonded to the electrical (common) ground system
- Other important codes
- B. Appendix b: grounding tables
- C. References ? Index.