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Interpreting the National Electrical Code : Based on the 2005 National Electric Code,9781401852139
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Interpreting the National Electrical Code : Based on the 2005 National Electric Code

by ;
Edition:
7th
ISBN13:

9781401852139

ISBN10:
1401852130
Format:
Paperback
Pub. Date:
12/16/2004
Publisher(s):
Cengage Learning
List Price: $125.95
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Summary

Extraordinarily comprehensive, this book is completely updated to the 2005 National Electrical Code. and continues to offer valuable insight into the Code. articles. Explanations are provided for each article in detail, with thorough discussions and practical examples that clearly illustrate how the Code. and its most recent changes are applied. Discussions are logically organized into coherent subject groupings, allowing readers to navigate easily through 2005 NEC. requirements as well as changes since the last edition. Through this approach, the book also integrates essential information into the 7th Edition that is not directly addressed in the NEC but is extremely useful to electricians.

Table of Contents

Preface xv
General Wiring and Fundamentals
1(50)
Origin of the National Electrical Code®
1(1)
Process of revising the code
3
Electrical Calculations with a Calculator
2(1)
Example of string multiplication
2(1)
Example of addition and multiplication
3(1)
Example of string multiplication and division
3(1)
Fundamentals of Electricity
3(13)
AC and DC
3(1)
Metric conversions
4(1)
Wire dimensions
5(2)
Wire resistance
7(2)
Ohm's law
9(1)
Circuits
10(2)
Power and work formulas
12(2)
Efficiency
14(1)
Student practice problems
14(2)
Code Discussion
16(9)
Art. 80 Annex G Administration and enforcement
16(1)
Art. 90 Introduction
16(1)
Art. 100 Definitions
16(1)
Art. 110 Requirements for electrical installations
17(1)
Art. 200 Use and identification of grounded conductors
18(1)
Art. 300 Wiring methods
19(1)
Art. 310 Conductors for general wiring
20(1)
Art. 320 Armored cable
21(1)
Art. 324 Flat conductor cable
22(1)
Art. 328 Medium-voltage cable
22(1)
Art. 330 Metal-clad cable
23(1)
Art. 332 Mineral-insulated, metal-sheathed cable
23(1)
Art. 334 Nonmetallic-sheathed cable
23(1)
Art. 336 Power and control tray cable
24(1)
Art. 338 Service-entrance cable
24(1)
Art. 340 Underground feeder and branch-circuit cable
25(1)
Art. 382 Nonmetallic extensions
25(1)
Art. 394 Concealed knob-and-tube wiring
25(1)
Art. 590 Temporary installations
25(1)
Ch. 9 Tables 8 and 9
25(1)
Sizing Conductors for a Circuit
25(4)
Using the Code to Answer Questions
29(1)
Student Code Practice
30(2)
Major Changes to the 2005 Code
32(9)
Art. 100
32(1)
Art. 110
33(1)
Art. 200
34(1)
Art. 300
35(2)
Art. 310
37(1)
Art. 320, 324, 330 and 332
38(1)
Art. 334, 336, and 338
39(1)
Art. 340
40(1)
Art. 590
40(1)
Ch. 9 Table 8
40(1)
Worksheet No. 1---Beginning
41(5)
Worksheet No. 1---Advanced
46(5)
Wire, Raceway, and Box Sizing
51(46)
Code Discussion
51(10)
Art. 312 Cabinets, cutout boxes, and metal socket enclosures
51(1)
Art. 314 Outlet, device, pull and junction boxes, conduit bodies, fittings, and handhole enclosures
51(1)
Art. 342 Intermediate metal conduit (IMC)
52(1)
Art. 344 Rigid metal conduit (RMC)
53(1)
Art. 348 Flexible metal conduit (FMC)
53(1)
Art. 350 Liquidtight flexible metal conduit (LFMC)
54(1)
Art. 352 Rigid nonmetallic conduit (RNC)
54(1)
Art. 356 Liquidtight flexible nonmetallic conduit (LFNC)
54(3)
Art. 354 Nonmetallic underground conduit with conductors (UNCC)
57(1)
Art. 358 Electrical metallic tubing (EMT)
57(1)
Art. 360 Flexible metallic tubing (FMT)
57(1)
Art. 362 Electrical nonmetallic tubing (ENT)
57(1)
Art. 366 Auxiliary gutters
58(1)
Art. 376 Metal wireways
58(1)
Art. 378 Nonmetallic wireways
58(1)
Art. 386 Surface metal raceways
58(1)
Art. 388 Surface nonmetallic raceways
58(1)
Ch. 9 Notes to tables
59(1)
Ch. 9 Tables 1,2,4,5, and 5A
60(1)
Sample Calculations
61(17)
Protecting conductors
61(1)
Neutral as a current-carrying conductor
62(2)
Sizing conductors
64(4)
Sizing conduit and tubing
68(1)
Sizing conduit and tubing nipples
69(1)
Wireway sizing
70(1)
Sizing boxes
70(3)
Pull boxes
73(2)
Conduit bodies
75(1)
Sizing and installing parallel conductor sets
76(2)
Major Changes to the 2005 Code
78(6)
Art. 312 and 314
78(1)
Art. 342
79(1)
Art. 344 and 348
80(1)
Art. 350 and 353
81(1)
Art. 356, 358, 376, and 378
82(1)
Art. 386 and 388
83(1)
Ch. 9 and Annex C
83(1)
Worksheet No. 2---Beginning
84(5)
Worksheet No. 2---Advanced
89(8)
Outlets, Lighting, Appliances, and Heating
97(38)
Code Discussion
97(11)
Art. 210 Branch-circuits
97(6)
Art. 220 Branch-circuit calculations
103(1)
Art. 225 Outside branch-circuits and feeders
103(1)
Art. 396 Messenger-supported wiring
104(1)
Art. 398 Open wiring on insulators
104(1)
Art. 400 Flexible cords and cables
104(1)
Art. 402 Fixture wires
105(1)
Art. 404 Switches
105(1)
Art. 406 Receptacles, cord connectors, and attachment plugs
105(2)
Art. 410 Luminaires (lighting fixtures), lampholders, and lamps
107(1)
Art. 411 Lighting systems operating at 30 volts or less
107(1)
Art. 422 Appliances
107(1)
Art. 424 Fixed electric space-heating equipment
107(1)
Art. 426 Fixed outdoor electric de-icing and snow-melting equipment
108(1)
Art. 720 Circuits and equipment operating at less than 50 volts
108(1)
Art. 725 Class 1, 2, and 3 remote-control, signaling and power-limited circuits
108(1)
Sample Calculations
108(5)
Circuit and outlet requirements
109(2)
Electric range for a dwelling
111(2)
Major Changes to the 2005 Code
113(12)
Art. 210
114(4)
Art. 220, Parts I and II
118(1)
Art. 225
118(1)
Art. 398
119(1)
Art. 400
119(1)
Art. 404 and 406
120(1)
Art. 410
121(2)
Art. 411, 422, 424, 426 and 725
123(2)
Worksheet No. 3---Beginning
125(5)
Worksheet No. 3---Advanced
130(5)
Services and Feeder Calculations
135(32)
Code Discussion
135(12)
Art. 215 Feeders
135(3)
Art. 220, Parts II and III Branch-circuit and feeder calculations
138(3)
Art. 220, Part IV and V, Optional calculations and farm loads
141(1)
Art. 230 Services
142(4)
Annex D Examples
146(1)
Sample Calculations
147(5)
Example of a commercial service calculation
147(3)
Example of a single-family dwelling demand load
150(1)
Optional dwelling service calculation
151(1)
Farm building demand load
152(1)
Major Changes to the 2005 Code
152(6)
Art. 215
152(2)
Art. 220
154(1)
Art. 230
155(1)
Annex D
156(2)
Worksheet No. 4---Beginning
158(4)
Worksheet No. 4---Advanced
162(5)
Grounding and Bonding
167(38)
Code Discussion
167(8)
Art. 250 Grounding and bonding
167(5)
Art. 280 Surge arresters
172(1)
Art. 285 Transient voltage surge suppressors
173(1)
Art. 680 Swimming pools, fountains, and similar installations
174(1)
Grounding and Bonding Fundamentals
175(7)
Equipment grounding
175(1)
Sizing equipment grounding conductors
176(1)
Parallel equipment grounding conductors
177(1)
Equipment grounding conductor size adjustments
177(1)
Electrical shock
178(1)
Electrical system grounding
179(1)
Which conductor of the electrical system to ground
179(1)
Grounding electrode
179(1)
Grounding and bonding for service with parallel conductors
180(2)
Electrical System Types and Voltages
182(4)
Single-phase electrical systems
182(1)
Three-phase electrical systems
183(1)
High-impedance grounding
184(2)
Major Changes to the 2005 Code
186(7)
Art. 250
186(5)
Art. 280
191(1)
Art. 285
191(1)
Art. 680
191(2)
Worksheet No. 5---Beginning
193(5)
Worksheet No. 5---Advanced
198(7)
Overcurrent Protection
205(36)
Code Discussion
205(10)
Art. 240 Overcurrent protection
205(5)
Art. 408 Switchboards and panelboards
210(2)
Art. 550 Mobile homes, manufactured homes, and mobile home parks
212(1)
Art. 551 Recreational vehicles and recreational vehicle parks
213(2)
Art. 552 Park trailers
215(1)
Overcurrent Protection Fundamentals
215(7)
Overloads
215(1)
Faults
215(1)
Symmetrical and asymmetrical current
216(1)
How damage occurs
216(1)
Interrupting ratings of fuses and circuit breakers
217(1)
Current limiting
217(1)
Series rating
218(1)
Feeder taps
219(3)
Voltage Drop
222(3)
Major Changes to the 2005 Code
225(5)
Art. 240
225(2)
Art. 408
227(1)
Art. 550
228(1)
Art. 551
228(1)
Art. 552
229(1)
Worksheet No. 6---Beginning
230(5)
Worksheet No. 6---Advanced
235(6)
Motor-Circuit Wiring
241(38)
Code Discussion
241(6)
Art. 409 Industrial control panel
241(1)
Art. 430 Motors, motor circuits, and controllers
242(1)
Art. 440 Air-conditioning and refrigerating equipment
243(1)
Art. 455 Phase converters
243(3)
Art. 460 Capacitors
246(1)
Art. 470 Resistors and reactors
246(1)
Art. 675 Electrically driven or controlled irrigation machines
246(1)
Art. 685 Integrated electrical systems
247(1)
Annex D Examples
247(1)
Motor Circuits and Calculations
247(9)
Motor nameplate and other information
247(1)
Motor circuit
248(1)
Methods of controlling motors
248(1)
Enclosure types
249(1)
Overcurrent device ratings
250(1)
Motor overload protection
250(2)
Remote control circuit wires
252(1)
Motor-circuit examples
252(4)
Grounding motors and controllers
256(1)
Motor-Control Circuit Wiring
256(4)
Adjustable-speed drives
259(1)
Major Changes to the 2005 Code
260(6)
Art. 409
260(1)
Art. 430
261(3)
Art. 440
264(1)
Art. 675
265(1)
Art. 685
265(1)
Worksheet No. 7---Beginning
266(6)
Worksheet No. 7---Advanced
272(7)
Transformers
279(36)
Code Discussion
279(1)
Art. 450 Transformers and transformer vaults
279(1)
Transformer Fundamentals
280(7)
Types of transformers
280(1)
Voltage and turns ratio
280(1)
Transformer ratings
281(1)
Connecting transformer windings
282(1)
Three-phase transformers
282(1)
Winding taps
283(2)
Input and output current
285(1)
Boost and buck transformers
285(1)
K-Rated transformers
286(1)
Overcurrent Protection for Transformers
287(7)
Overcurrent protection only on the primary (600 volts or less)
288(2)
Primary and secondary overcurrent protection (600 volts or less)
290(3)
Boost and buck transformer overcurrent protection
293(1)
Transformer Taps
294(4)
Transformer Grounding
298(2)
Major Changes to the 2005 Code
300(1)
Art. 450
300(1)
Worksheet No. 8---Beginning
301(7)
Worksheet No. 8---Advanced
308(7)
Hazardous Location Wiring
315(28)
Code Discussion
315(6)
Art. 500 Hazardous (classified) locations
316(1)
Art. 501 Class I locations
316(1)
Art. 502 Class II locations
316(1)
Art. 503 Class III locations
316(1)
Art. 504 Intrinsically safe systems
316(1)
Art. 505 Class 1, Zone 0, 1, and 2 locations
317(2)
Art. 506 Zone 20, 21, and 22 Locations for combustible dusts, fibers, and flyings
319(1)
Art. 510 Hazardous (classified) locations, specific
320(1)
Art. 511 Commercial garages, repair and storage
320(1)
Art. 513 Aircraft hangars
320(1)
Art. 514 Motor fuel dispensing facilities
320(1)
Art. 515 Bulk storage plants
321(1)
Art. 516 Spray applications, dipping, and coating processes
321(1)
Hazardous Location Wiring Fundamentals
321(6)
Types of hazardous locations
321(1)
Ratings of equipment
322(1)
Objectives of explosionproof enclosures
323(1)
Sealing fittings
324(1)
Equipment grounding and bonding
325(1)
Dust-ignitionproof equipment
326(1)
Flammable fibers and flyings
326(1)
Special occupancies
326(1)
Major Changes to the 2005 Code
327(6)
Art. 500
327(1)
Art. 501
327(1)
Art. 502
328(1)
Art. 503
329(1)
Art. 504
329(1)
Art. 505
329(1)
Art. 506
330(1)
Art. 511
330(1)
Art. 513 and 514
331(1)
Art. 516
332(1)
Worksheet No. 9---Beginning
333(5)
Worksheet No. 9---Advanced
338(5)
Health Care Facilities
343(20)
Code Discussion
343(4)
Art. 517 Health care facilities
343(4)
Art. 660 X-ray equipment
347(1)
Art. 680 Part VI Therapeutic pools and tubs
347(1)
Wiring in Hospitals
347(4)
Definition of areas within a hospital
347(1)
Hospital receptacle requirements
348(1)
Grounding in hospitals
348(2)
Hospital required electrical systems
350(1)
Major Changes to the 2005 Code
351(2)
Art. 517
351(2)
Worksheet No. 10---Beginning
353(4)
Worksheet No. 10---Advanced
357(6)
Emergency and Alternate Power Systems
363(40)
Code Discussion
363(5)
Art. 445 Generators
363(1)
Art. 480 Storage batteries
364(1)
Art. 690 Solar photovoltaic systems
364(1)
Art. 692 Fuel cell systems
365(1)
Art. 695 Fire pumps
365(1)
Art. 700 Emergency systems
366(1)
Art. 701 Legally required standby systems
367(1)
Art. 702 Optional standby systems
367(1)
Art. 705 Interconnected electric power production sources
368(1)
Emergency Electrical Systems
368(7)
Fire alarm systems
369(1)
Wiring fire alarm systems
370(3)
Fire pumps
373(2)
Alternate Electrical Power Systems
375(11)
Solar photovoltaic systems
376(3)
Fuel cell systems
379(2)
Storage batteries
381(1)
Inverters
382(1)
Generators
382(1)
Connecting alternate power sources
383(1)
Grounding dc power sources
384(2)
Direct current rating
386(1)
Major Changes to the 2005 Code
386(6)
Art. 445 and 690
386(3)
Art. 695 and 700
389(1)
Art. 701 and 702
390(1)
Art. 760
391(1)
Worksheet No. 11---Beginning
392(5)
Worksheet No. 11---Advanced
397(6)
Industrial Electrical Applications
403(30)
Code Discussion
403(9)
Art. 326 Integrated gas spacer cable
403(1)
Art. 368 Busways
404(1)
Art. 370 Cablebus
404(1)
Art. 392 Cable trays
405(2)
Art. 427 Fixed electric heating equipment for pipelines and vessels
407(1)
Art. 490 Equipment over 600 volts nominal
408(1)
Art. 610 Cranes and hoists
408(1)
Art. 630 Electric welders
408(2)
Art. 665 Induction and dielectric heating equipment
410(1)
Art. 668 Electrolytic cells
410(1)
Art. 669 Electroplating
411(1)
Art. 670 Industrial machinery
411(1)
Art. 727 Instrumentation tray cable
412(1)
Art. 770 Optical fiber cables and raceways
412(1)
Cable Tray Width and Conductor Ampacity
412(6)
Major Changes to the 2005 Code
418(4)
Art. 368
418(1)
Art. 392
418(1)
Art. 427
419(1)
Art. 490
419(1)
Art. 610
419(1)
Art. 630, 670, and 770
420(2)
Worksheet No. 12---Beginning
422(5)
Worksheet No. 12---Advanced
427(6)
Commercial Wiring Applications
433(28)
Code Discussion
433(11)
Art. 322 Flat cable assemblies
433(1)
Art. 372 Cellular concrete floor raceways
433(1)
Art. 374 Cellular metal floor raceways
434(1)
Art. 380 Multioutlet assembly
434(1)
Art. 384 Strut-type channel raceway
435(2)
Art. 390 Underfloor raceways
437(1)
Art. 518 Assembly occupancies
437(1)
Art. 545 Manufactured buildings
437(1)
Art. 600 Electric signs and outline lighting
437(1)
Art. 604 Manufactured wiring systems
438(1)
Art. 620 Elevators, dumbwaiters, escalators, moving walks, and chair lifts
438(2)
Art. 647 Sensitive electronic equipment
440(4)
Major Changes to the 2005 Code
444(6)
Art. 372
444(1)
Art. 374
445(1)
Art. 384
445(1)
Art. 390 and 518
445(1)
Art. 600 and 604
446(1)
Art. 605 and 620
447(1)
Art. 645 and 647
448(2)
Worksheet No. 13---Beginning
450(5)
Worksheet No. 13---Advanced
455(6)
Special Applications Wiring
461(26)
Code Discussion
461(11)
Art. 520 Theaters and similar locations
461(2)
Art. 525 Carnivals, circuses, fairs, and similar events
463(1)
Art. 530 Motion picture and television studios and similar locations
464(1)
Art. 540 Motion picture projection rooms
464(1)
Art. 547 Agricultural buildings
464(4)
Art. 553 Floating buildings
468(1)
Art. 555 Marinas and boatyards
468(1)
Art. 625 Electric vehicle charging systems
468(1)
Art. 640 Audio signal processing, amplification, and reproduction equipment
469(1)
Art. 650 Pipe organs
469(1)
Art. 682 Natural and artificially made bodies of water
470(1)
Art. 800 Communication circuits
471(1)
Art. 810 Radio and television equipment
471(1)
Art. 820 Community antenna television and radio distribution systems
472(1)
Art. 830 Network-powered broadband communications systems
472(1)
Major Changes to the 2005 Code
472(6)
Art. 520, 525 and 547
472(3)
Art. 553, 555, 625, and 682
475(1)
Art. 800 and 820
476(1)
Art. 830
477(1)
Worksheet No. 14---Beginning
478(4)
Worksheet No. 14---Advanced
482(5)
Review
487(20)
Beginning Review
488(9)
Advanced Review
497(10)
Annexes, Metric Conversions Tables 507(2)
Answer Sheets 509(2)
Index Including Code Articles 511


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