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| List of Tables | p. xv |
| Preface | p. xvii |
| General Wiring and Fundamentals | p. 1 |
| Origin of the National Electrical Code | p. 1 |
| Electrical Calculations with A Calculator | p. 2 |
| Fundamentals of Electricity | p. 3 |
| AC and DC | p. 3 |
| Metric Conversions | p. 4 |
| Wire Dimensions | p. 5 |
| Wire Resistance | p. 6 |
| Ohm's Law | p. 9 |
| Circuits | p. 10 |
| Power and Work Formulas | p. 12 |
| Efficiency | p. 14 |
| Student Practice Problems | p. 14 |
| Code Discussion | p. 15 |
| Art. 80 Administration and enforcement | p. 15 |
| Art. 90 Introduction | p. 16 |
| Art. 100 Definitions | p. 16 |
| Art. 110 Requirements for electrical installations | p. 17 |
| Art. 200 Use and identification of grounded conductors | p. 18 |
| Art. 300 Wiring methods | p. 18 |
| Art. 310 Conductors for general wiring | p. 19 |
| Art. 320 Armored Cable | p. 21 |
| Art. 324 Flat Conductor Cable | p. 21 |
| Art. 328 Medium-Voltage Cable | p. 21 |
| Art. 330 Metal-Clad Cable | p. 22 |
| Art. 332 Mineral-Insulated, Metal Sheathed Cable | p. 23 |
| Art. 334 Nonmetallic-Sheathed Cable | p. 23 |
| Art. 336 Power and Control Tray Cable | p. 24 |
| Art. 338 Service-Entrance Cable | p. 24 |
| Art. 340 Underground Feeder and Branch-Circuit Cable | p. 24 |
| Art. 382 Nonmetallic Extensions | p. 24 |
| Art. 394 Concealed Knob-and-Tube Wiring | p. 24 |
| Art. 527 Temporary Installations | p. 24 |
| Ch. 9 Tables 8 and 9 | p. 25 |
| Sizing Conductors for a Circuit | p. 25 |
| Using the Code to Answer Questions | p. 28 |
| Student Code Practice | p. 30 |
| Major Changes to the 2002 Code | p. 32 |
| Art. 90, 100, 110 | p. 32 |
| Art. 300 | p. 35 |
| Art. 310 and 320 | p. 36 |
| Art. 330 and 332 | p. 37 |
| Art. 334 and 338 | p. 38 |
| Art. 340 | p. 39 |
| Art. 527 | p. 39 |
| Ch. 9 - Table 8 | p. 40 |
| Worksheet No. 1--Beginning | p. 41 |
| Worksheet No. 1--Advanced | p. 46 |
| Wire, Raceway, and Box Sizing | p. 51 |
| Code Discussion | p. 51 |
| Art. 312 Cabinets, cutout boxes, and metal socket enclosures | p. 51 |
| Art. 314 Outlet, device, pull and junction boxes, and conduit bodies | p. 51 |
| Art. 342 Intermediate Metal Conduit (IMC) | p. 52 |
| Art. 344 Rigid Metal Conduit (RMC) | p. 53 |
| Art. 348 Flexible Metal Conduit (FMC) | p. 53 |
| Art. 350 Liquidtight Flexible Metal Conduit (LFMC) | p. 54 |
| Art. 352 Rigid Nonmetallic Conduit (RNC) | p. 54 |
| Art. 354 Nonmetallic Underground Conduit with Conductors (UNCC) | p. 57 |
| Art. 356 Liquidtight Flexible Nonmetallic Conduit (LFNC) | p. 54 |
| Art. 358 Electrical Metallic Tubing (EMT) | p. 57 |
| Art. 360 Flexible Metallic Tubing (FMT) | p. 57 |
| Art. 362 Electrical Nonmetallic Tubing (ENT) | p. 57 |
| Art. 366 Auxiliary gutters | p. 58 |
| Art. 376 Metal wireways | p. 58 |
| Art. 378 Nonmetallic wireways | p. 58 |
| Art. 386 Surface metal raceways | p. 58 |
| Art. 388 Surface nonmetallic raceways | p. 58 |
| Ch. 9 Notes to tables | p. 59 |
| Ch. 9 Tables 1, 4, 5, and 5A | p. 59 |
| Annex C: Tables | p. 59 |
| Sample Calculations | p. 60 |
| Protecting Conductors | p. 61 |
| Neutral as a Current-Carrying Conductor | p. 62 |
| Sizing Conductors | p. 64 |
| Sizing Conduit and Tubing | p. 68 |
| Sizing Conduit and Tubing Nipples | p. 69 |
| Wireway Sizing | p. 70 |
| Sizing Boxes | p. 70 |
| Pull Boxes | p. 73 |
| Conduit Bodies | p. 75 |
| Sizing and Installing Parallel Conductor Sets | p. 76 |
| Major Changes to the 2002 Code | p. 78 |
| Art. 314 | p. 78 |
| Art. 342, 344, 350, 352 and 356 | p. 80 |
| Art. 358, 362, 376 and 378 | p. 81 |
| Ch. 9 and Annex C | p. 82 |
| Worksheet No. 2--Beginning | p. 83 |
| Worksheet No. 2--Advanced | p. 88 |
| Outlets, Lighting, Applicances, and Heating | p. 95 |
| Code Discussion | p. 95 |
| Art. 210 Branch-circuits | p. 95 |
| Art. 220 Part I Branch-circuit calculations | p. 99 |
| Art. 225 Outside branch-circuits and feeders | p. 100 |
| Art. 396 Messenger-supported wiring | p. 101 |
| Art. 398 Open wiring on insulators | p. 101 |
| Art. 400 Flexible cords and cables | p. 101 |
| Art. 402 Fixture wires | p. 102 |
| Art. 404 Switches | p. 102 |
| Art. 406 Receptacles, cord connectors and attachment plugs | p. 102 |
| Art. 410 Lighting fixtures, lampholders, and lamps | p. 103 |
| Art. 411 Lighting systems operating at 30 volts or less | p. 103 |
| Art. 422 Appliances | p. 103 |
| Art. 424 Fixed electric space heating equipment | p. 103 |
| Art. 426 Fixed outdoor electric de-icing and snow-melting equipment | p. 104 |
| Art. 720 Circuits and equipment operating at less than 50 volts | p. 104 |
| Art. 725 Class 1, 2, and 3 remote-control, signaling and power-limited circuits | p. 104 |
| Sample Calculations | p. 104 |
| Circuit and Outlet Requirements | p. 104 |
| Electric Range for a Dwelling | p. 106 |
| Major Changes to the 2002 Code | p. 109 |
| Art. 210 | p. 109 |
| Art. 220, Part I | p. 100 |
| Art. 225 | p. 112 |
| Art. 404 and 406 | p. 114 |
| Art. 410 | p. 115 |
| Art. 422 and 424 | p. 116 |
| Art. 725 | p. 117 |
| Worksheet No. 3--Beginning | p. 119 |
| Worksheet No. 3--Advanced | p. 124 |
| Services and Feeder Calculations | p. 129 |
| Code Discussion | p. 129 |
| Art. 215 Feeders | p. 129 |
| Art. 220, Part II Branch-circuit and feeder calculations | p. 132 |
| Art. 220, Part III and IV, Optional calculations and farm loads | p. 135 |
| Art. 230 Services | p. 136 |
| Annex D: Examples | p. 139 |
| Sample Calculations | p. 140 |
| Example of a Commercial Service Calculation | p. 140 |
| Example of a Single-Family Dwelling Demand Load | p. 142 |
| Optional Dwelling Service Calculation | p. 144 |
| Farm Building Demand Load | p. 144 |
| Major Changes to the 2002 Code | p. 145 |
| Art. 215 and 220 | p. 145 |
| Art. 230 | p. 146 |
| Worksheet No. 4--Beginning | p. 150 |
| Worksheet No. 4--Advanced | p. 155 |
| Grounding and Bonding | p. 159 |
| Code Discussion | p. 159 |
| Art. 250 Grounding | p. 159 |
| Art. 280 Surge arresters | p. 164 |
| Art. 285 Transient voltage surge suppressors | p. 165 |
| Art. 680 Swimming pools, fountains, and similar installations | p. 166 |
| Grounding and Bonding Fundamentals | p. 167 |
| Equipment Grounding | p. 167 |
| Sizing Equipment Grounding Conductors | p. 168 |
| Parallel Equipment Grounding Conductors | p. 169 |
| Equipment Grounding Conductor Size Adjustments | p. 169 |
| Electrical Shock | p. 170 |
| Electrical System Grounding | p. 171 |
| Which Conductor of the Electrical System to Ground | p. 171 |
| Grounding Electrode | p. 171 |
| Grounding and Bonding for Service with Parallel Conductors | p. 172 |
| Electrical System Types and Voltages | p. 174 |
| Single-Phase Electrical Systems | p. 174 |
| Three-Phase Electrical Systems | p. 175 |
| High Impedance Grounding | p. 176 |
| Major Changes to the 2002 Code | p. 177 |
| Art. 250 | p. 177 |
| Art. 285 | p. 181 |
| Art. 680 | p. 181 |
| Worksheet No. 5--Beginning | p. 184 |
| Worksheet No. 5--Advanced | p. 189 |
| Overcurrent Protection | p. 197 |
| Code Discussion | p. 197 |
| Art. 240 Overcurrent protection | p. 197 |
| Art. 408 Switchboards and panelboards | p. 202 |
| Art. 550 Mobile homes, manufactured homes, and mobile home parks | p. 203 |
| Art. 551 Recreational vehicles and recreational vehicle parks | p. 204 |
| Art. 552 Park trailers | p. 206 |
| Overcurrent Protection Fundamentals | p. 206 |
| Overloads | p. 206 |
| Faults | p. 206 |
| Symmetrical and Asymmetrical Current | p. 207 |
| How Damage Occurs | p. 207 |
| Interrupting Ratings of Fuses and Circuit-Breakers | p. 208 |
| Current Limiting | p. 208 |
| Series Rating | p. 208 |
| Feeder Taps | p. 210 |
| Voltage Drop | p. 213 |
| Major Changes to the 2002 Code | p. 216 |
| Art. 240 | p. 216 |
| Art. 408 | p. 220 |
| Art. 550 | p. 220 |
| Art. 551 | p. 222 |
| Art. 552 | p. 222 |
| Worksheet No. 6--Beginning | p. 224 |
| Worksheet No. 6--Advanced | p. 229 |
| Motor-Circuit Wiring | p. 235 |
| Code Discussion | p. 235 |
| Art. 430 Motors, motor circuits, and controllers | p. 235 |
| Art. 440 Air-conditioning and refrigeration equipment | p. 236 |
| Art. 455 Phase converters | p. 237 |
| Art. 460 Capacitors | p. 239 |
| Art. 470 Resistors and reactors | p. 240 |
| Art. 675 Electrically driven or controlled irrigation machines | p. 240 |
| Art. 685 Integrated electrical systems | p. 240 |
| Annex D: Examples | p. 240 |
| Motor Circuits and Calculations | p. 241 |
| Motor Nameplate and Other Information | p. 241 |
| Motor Circuit | p. 242 |
| Methods of Controlling Motors | p. 242 |
| Enclosure Types | p. 243 |
| Overcurrent Device Ratings | p. 244 |
| Motor Overload Protection | p. 244 |
| Remote Control Circuit Wires | p. 246 |
| Motor-Circuit Examples | p. 246 |
| Grounding Motors and Controllers | p. 250 |
| Motor-Control Circuit Wiring | p. 250 |
| Major Changes to the 2002 Code | p. 253 |
| Art. 430 | p. 253 |
| Art. 440 | p. 257 |
| Art. 455 | p. 259 |
| Worksheet No. 7--Beginning | p. 260 |
| Worksheet No. 7--Advanced | p. 266 |
| Transformers | p. 273 |
| Code Discussion | p. 273 |
| Art. 450 Transformers and transformer vaults | p. 273 |
| Transformer Fundamentals | p. 274 |
| Types of Transformers | p. 274 |
| Voltage and Turns Ratio | p. 274 |
| Transformer Ratings | p. 275 |
| Connecting Transformer Windings | p. 276 |
| Three-Phase Transformers | p. 276 |
| Winding Taps | p. 277 |
| Input and Output Current | p. 279 |
| Boost and Buck Transformers | p. 279 |
| K-Rated Transformers | p. 280 |
| Overcurrent Protection for Transformers | p. 281 |
| Overcurrent Protection Only on the Primary (600 volts or less) | p. 282 |
| Primary and Secondary Overcurrent Protection (600 volts or less) | p. 284 |
| Boost and Buck Transformer Overcurrent Protection | p. 287 |
| Transformer Taps | p. 288 |
| Transformer Grounding | p. 292 |
| Major Changes to the 2002 Code | p. 294 |
| Art. 450 | p. 294 |
| Worksheet No. 8--Beginning | p. 295 |
| Worksheet No. 8--Advanced | p. 302 |
| Hazardous Location Wiring | p. 309 |
| Code Discussion | p. 309 |
| Art. 500 Hazardous (classified) locations | p. 309 |
| Art. 501 Class I locations | p. 310 |
| Art. 502 Class II locations | p. 310 |
| Art. 503 Class III locations | p. 310 |
| Art. 504 Intrinsically safe systems | p. 310 |
| Art. 505 Class I, Zone 0, 1, and 2 locations | p. 311 |
| Art. 510 Hazardous (classified) locations, specific | p. 313 |
| Art. 511 Commercial garages, repair and storage | p. 313 |
| Art. 513 Aircraft hangars | p. 313 |
| Art. 514 Motor fuel disposing facilities | p. 314 |
| Art. 515 Bulk storage plants | p. 314 |
| Art. 516 Spray applications, dipping and coating processes | p. 314 |
| Hazardous Location Wiring Fundamentals | p. 314 |
| Types of Hazardous Locations | p. 315 |
| Ratings of Equipment | p. 316 |
| Objectives of Explosion-Proof Enclosures | p. 316 |
| Sealing Fittings | p. 317 |
| Equipment Grounding and Bonding | p. 318 |
| Dust-Ignition-Proof Equipment | p. 318 |
| Flammable Fibers and Flyings | p. 319 |
| Special Occupancies | p. 319 |
| Major Changes to the 2002 Code | p. 319 |
| Art. 500 | p. 319 |
| Art. 501 and 502 | p. 321 |
| Art. 503, 504, and 505 | p. 322 |
| Art. 511, 513, 514 and 515 | p. 324 |
| Art. 516 | p. 326 |
| Worksheet No. 9--Beginning | p. 327 |
| Worksheet No. 9--Advanced | p. 332 |
| Health Care Facilities | p. 337 |
| Code Discussion | p. 337 |
| Art. 517 Health care facilities | p. 337 |
| Art. 660 X-ray equipment | p. 341 |
| Art. 680 Therapeutic pools and tubs | p. 341 |
| Wiring in Hospitals | p. 341 |
| Definition of Areas Within a Hospital | p. 341 |
| Hospital Receptacle Requirements | p. 342 |
| Grounding in Hospitals | p. 342 |
| Hospital Required Electrical Systems | p. 344 |
| Major Changes to the 2002 Code | p. 344 |
| Art. 517 | p. 344 |
| Worksheet No. 10--Beginning | p. 348 |
| Worksheet No. 10--Advanced | p. 352 |
| Emergency and Alternate Power Systems | p. 357 |
| Code Discussion | p. 357 |
| Art. 445 Generators | p. 357 |
| Art. 480 Storage batteries | p. 358 |
| Art. 690 Solar photovoltaic systems | p. 358 |
| Art. 692 Fuel cell systems | p. 359 |
| Art. 695 Fire pumps | p. 359 |
| Art. 700 Emergency systems | p. 360 |
| Art. 701 Legally required standby systems | p. 361 |
| Art. 702 Optional standby systems | p. 361 |
| Art. 705 Interconnected electric power production sources | p. 362 |
| Emergency Electrical Systems | p. 362 |
| Fire-Alarm Systems | p. 363 |
| Wiring Fire-Alarm Systems | p. 364 |
| Fire Pumps | p. 367 |
| Alternate Electrical Power Systems | p. 369 |
| Solar Photovoltaic Systems | p. 370 |
| Fuel Cell Systems | p. 373 |
| Storage Batteries | p. 375 |
| Inverters | p. 376 |
| Generators | p. 376 |
| Connecting Alternate Power Sources | p. 377 |
| Grounding dc Power Sources | p. 378 |
| Direct Current Rating | p. 379 |
| Major Changes to the 2002 Code | p. 379 |
| Art. 445, 480 and 690 | p. 379 |
| Art. 692 and 695 | p. 382 |
| Art. 700, 701 and 702 | p. 384 |
| Art. 705 and 760 | p. 386 |
| Worksheet No. 11--Beginning | p. 388 |
| Worksheet No. 11--Advanced | p. 393 |
| Industrial Electrical Applications | p. 399 |
| Code Discussion | p. 399 |
| Art. 326 Integrated gas spacer cable | p. 399 |
| Art. 368 Busways | p. 400 |
| Art. 370 Cablebus | p. 400 |
| Art. 392 Cable trays | p. 401 |
| Art. 427 Fixed electric heating equipment for pipelines and vessels | p. 403 |
| Art. 610 Cranes and hoists | p. 403 |
| Art. 630 Electric welders | p. 403 |
| Art. 665 Induction and dielectric heating equipment | p. 405 |
| Art. 668 Electrolytic cells | p. 406 |
| Art. 669 Electroplating | p. 406 |
| Art. 670 Industrial machinery | p. 406 |
| Art. 727 Instrumentation tray cable | p. 406 |
| Art. 770 Optical fiber cables and raceways | p. 407 |
| Cable Tray Width and Conductor Ampacity | p. 407 |
| Major Changes to the 2002 Code | p. 413 |
| Art. 368 | p. 413 |
| Art. 392 | p. 413 |
| Art. 490, 610, and 630 | p. 417 |
| Art. 665 and 670 | p. 418 |
| Art. 727 and 770 | p. 419 |
| Worksheet No. 12--Beginning | p. 420 |
| Worksheet No. 12--Advanced | p. 425 |
| Commercial Wiring Applications | p. 431 |
| Code Discussion | p. 431 |
| Art. 322 Flat cable assemblies | p. 431 |
| Art. 372 Cellular concrete floor raceways | p. 431 |
| Art. 374 Cellular metal floor raceways | p. 432 |
| Art. 380 Multioutlet assembly | p. 432 |
| Art. 384 Strut-type channel raceway | p. 433 |
| Art. 390 Underfloor raceways | p. 435 |
| Art. 518 Places of assembly | p. 435 |
| Art. 545 Manufactured buildings | p. 435 |
| Art. 600 Electric signs and outline lighting | p. 435 |
| Art. 604 Manufactured wiring systems | p. 436 |
| Art. 620 Elevators, dumbwaiters, escalators, moving walks, and chair lifts | p. 436 |
| Art. 647 Sensitive electronic equipment | p. 438 |
| Major Changes to the 2002 Code | p. 442 |
| Art. 322 | p. 442 |
| Art. 384 | p. 443 |
| Art. 390, 518, and 545 | p. 443 |
| Art. 600 | p. 443 |
| Art. 604 and 620 | p. 444 |
| Art. 645 and 647 | p. 446 |
| Worksheet No. 13--Beginning | p. 448 |
| Worksheet No. 13--Advanced | p. 453 |
| Special Applications Wiring | p. 459 |
| Code Discussion | p. 459 |
| Art. 520 Theaters and similar locations | p. 459 |
| Art. 525 Carnivals, circuses, fairs, and similar events | p. 460 |
| Art. 530 Motion picture and television studios and similar locations | p. 461 |
| Art. 540 Motion picture projection rooms | p. 461 |
| Art. 547 Agricultural buildings | p. 461 |
| Art. 553 Floating buildings | p. 464 |
| Art. 555 Marinas and boatyards | p. 464 |
| Art. 625 Electric vehicle charging systems | p. 464 |
| Art. 640 Audio signal processing, amplification and reproduction equipment | p. 465 |
| Art. 650 Pipe organs | p. 465 |
| Art. 800 Communication circuits | p. 466 |
| Art. 810 Radio and television equipment | p. 467 |
| Art. 820 Community antenna television and radio distribution | p. 467 |
| Art. 830 Network-powered broadband communications systems | p. 467 |
| Major Changes to the 2002 Code | p. 467 |
| Art. 520 and 525 | p. 468 |
| Art. 530, 540 and 547 | p. 470 |
| Art. 555 | p. 473 |
| Art. 625 and 640 | p. 475 |
| Art. 800 | p. 476 |
| Art. 810 and 820 | p. 477 |
| Art. 830 | p. 479 |
| Worksheet No. 14--Beginning | p. 480 |
| Worksheet No. 14--Advanced | p. 484 |
| Review | p. 489 |
| Beginning Review | p. 490 |
| Advanced Review | p. 499 |
| Annex, Metric Conversions Tables | p. 509 |
| Answer Sheets | p. 511 |
| Index Including Code Articles | p. 513 |
| Table of Contents provided by Syndetics. All Rights Reserved. |
