NEC Q and A: Questions and Answers on the National Electrical CodeJones & Bartlett Learning, 2007 - 283 páginas Beginners will find answers to practical on-the-job problems, and experts will be able to explore the reasons behind NEC rules and the additional issues related to each question in this examination of frequently- and not-so-frequently-asked questions. Based on questions posed to, and answered by, NFPA's Advisory Services engineers, NEC® Q&A: Questions and Answers on the National Electrical Code includes hundreds of NEC specific questions, along with references to NEC Articles and Sections. |
Índice
18 | 2 |
Question 4 | 4 |
1 | 43 |
electrode? | 85 |
Should a service lateral include a grounding or bonding conductor? | 91 |
Where must isolated grounding conductors terminate? | 97 |
7 | 109 |
11 | 116 |
20 Are aluminum conduits and fittings permitted to connect to steel | 142 |
15 Can a circuit for HVAC equipment be tapped to separate integral circuit | 177 |
Special Occupancies | 187 |
11 What loads are permitted on the equipment branch of an essential electri | 213 |
13 | 245 |
20 Are communications cables permitted on a roof without a raceway | 264 |
24 How is raceway fill determined for multiconductor cables? | 271 |
Where is Type NM cable permitted? | 135 |
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NEC Q and A: Questions and Answers on the National Electrical Code Noel Williams,Jeffrey S. Sargent Vista de fragmentos - 2007 |
Términos y frases comunes
AFCI ampacity amperes appliance apply Article 100 authority having jurisdiction AWG conductor Based on NEC bonding jumper branch circuit building cable trays ceiling circuit breaker Class classified areas clearances combustible connected continuous load countertop disconnecting means ductors dwelling units electrical equipment enclosure energized equipment grounding conductor example fault current feeder fire pump flexible cords GFCI protection ground-fault protection grounding electrode conductor hazardous HVAC installed insulation Keywords listed luminaires MC cable metal conduit minimum motor National Electrical Code NEC Handbook NEC References neutral NFPA 70E NM cable nonmetallic overcurrent device overcurrent protection panel panelboard patient care areas permitted raceway receptacle outlet Related Questions service conductors service disconnecting service drop service equipment service-entrance conductors shown in Figure sizes Source specific supply switch Table tap conductors temperature tion transformer ungrounded utility voltage voltage to ground volts wet location wiring methods