Pocket Guide to the National Electrical Code, 2005 Edition

The Number 1 Practical, Portable, Plain-English Guide to the 2005 National Electrical Code Whatever your role in designing or installing electrical systems, you need up-to-the-minute, easy-to-use information about the newest National Electrical Code. The Pocket Guide to the National Electrical Code®, 2005 Edition, brings together all the topics, tables, and calculations you'll use most often in a pocket guide organized for rapid access and maximum usability. No other book is as convenient, or reflects as much feedback from working professionals. Writing in plain English, NFPA Committee Service Award honoree and Life Member Marvin J. Fischer, P.E., walks you through every key area of the code, highlighting crucial changes you need to know about. For more than twenty-two years the Pocket Guide has served as the quick, reliable source for Code answers. With even more up-to-date information--and a new lower price--this guide is a must-have for every practicing member in this field. Essential information for every electrician, contractor, installer, designer, inspector, architect, consultant, manufacturer, and instructor. Carry it anywhere--your shirt pocket, toolbox, glove compartment, briefcase...wherever you go! Covers general code issues and concepts; wiring and protection; wiring methods and materials; equipment for general use; special occupancies, equipment, and conditions; and communications systems. Also presents product safety standards, guidance on ampacity calculations, conduit and tubing fill tables, and administration/enforcement information. Contains virtually all the tables you'll need to use, and every calculation example. Organized to match the 2005 NEC itself, for easy reference and cross-checking. Reflects every significant change in the 2005 NEC.

Table of Contents:
List of Tables xi Preface xv Guide for the User xvii 90 Introduction xix1: General 1100 Definitions 1 110 Requirements for Electrical Installations 1 2: Wiring and Protection 5200 Use and Identification of Grounded Conductors 5 210 Branch Circuits 7 215 Feeders 20 220 Branch-Circuit, Feeder, and Service Calculations 22 225 Outside Branch Circuits and Feeders 38 230 Services 44 240 Overcurrent Protection 52 250 Grounding and Bonding 59 280 Surge Arresters 79 285 Transient Voltage Surge Supressors (TVSSs) 79 3: Wiring Methods and Materials 81300 Wiring Methods 81 310 Conductors for General Wiring 88 312 Cabinets, Cutout Boxes, and Meter Socket Enclosures 112 314 Outlet, Device, Pull, and Junction Boxes; Conduit Bodies; Fittings; and Handhole Enclosures 113 320 Armored Cable: Type AC 120 322 Flat Cable Assemblies: Type FC 122 324 Flat Conductor Cable: Type FCC 122 326 Integrated Gas Spacer Cable: Type IGS 123 328 Medium-Voltage Cable: Type MV 124 330 Metal-Clad Cable: Type MC 125 332 Mineral-Insulated, Metal-Sheathed Cable: Type MI 127 334 Nonmetallic-Sheathed Cable: Types NM, NMC, and NMS 128 336 Power and Control Tray Cable: Type TC 130 338 Service-Entrance Cable: Types SE and USE 131 340 Underground Feeder and Branch-Circuit Cable: Type UF 132 342 Intermediate Metal Conduit: Type IMC 134 344 Rigid Metal Conduit: Type RMC 136 348 Flexible Metal Conduit: Type FMC 139 350 Liquidtight Flexible Metal Conduit: Type LFMC 141 352 Rigid Nonmetallic Conduit: Type RNC 142 353 High Density Polyethylene Conduit: Type HDPE Conduit 147 354 Nonmetallic Underground Conduit with Conductors: Type NUCC 149 356 Liquidtight Flexible Nonmetallic Conduit: Type LFNC 150 358 Electrical Metallic Tubing: Type EMT 152 360 Flexible Metallic Tubing: Type FMT 154 362 Electrical Nonmetallic Tubing: Type ENT 155 366 Auxiliary Gutters 156 368 Busways 157 370 Cablebus 157 372 Cellular Concrete Floor Raceways 157 374 Cellular Metal Floor Raceways 158 376 Metal Wireways 158 378 Nonmetallic Wireways 158 380 Multioutlet Assembly 158 382 Nonmetallic Extensions 159 384 Strut-Type Channel Raceway 159 386 Surface Metal Raceways 160 388 Surface Nonmetallic Raceways 161 390 Underfloor Raceways 162 392 Cable Trays 163 394 Concealed Knob-and-Tube Wiring 167 396 Messenger Supported Wiring 168 398 Open Wiring on Insulators 169 4: Equipment for General Use 171400 Flexible Cords and Cables 171 402 Fixture Wires 174 404 Switches 174 406 Receptacles, Cord Connectors, and Attachment Plugs (Caps) 177 408 Switchboards and Panelboards 179 409 Industrial Control Panels 183 410 Luminaires (Lighting Fixtures), Lampholders, and Lamps 184 411 Lighting Systems Operating at 30 Volts or Less 190 422 Appliances 190 424 Fixed Electric Space Heating Equipment 195 426 Fixed Outdoor Electric De-Icing and Snow-Melting Equipment 201 427 Fixed Electric Heating Equipment for Pipelines and Vessels 203 430 Motors, Motor Circuits, and Controllers 205 440 Air Conditioning and Refrigerating Equipment 219 445 Generators 223 450 Transformers and Transformer Vaults (Including Secondary Ties) 223 455 Phase Converters 223 460 Capacitors 223 470 Resistors and Reactors 223 480 Storage Batteries 223 490 Equipment, over 600 Volts, Nominal 223 5: Special Occupancies 225500 Hazardous (Classified) Locations, Classes I, II, and III, Divisions 1 and 2 225 501 Class I Locations 227 502 Class II Locations 234 503 Class III Locations 239 504 Intrinsically Safe Systems 241 505 Class I, Zone 0, 1, and 2 Locations 241 506 Zone 20, 21, and 22 Locations for Flammable Dusts, Fibers, and Flyings 242 510 Hazardous (Classified) Locations--Specific 243 511 Commercial Garages, Repair and Storage 243 513 Aircraft Hangars 243 514 Motor Fuel Dispensing Facilities 243 515 Bulk Storage Plants 243 516 Spray Application, Dipping, and Coating Processes 243 517 Health Care Facilities 243 518 Assembly Occupancies 251 520 Theaters, Audience Areas of Motion Picture and Television Studios, Performance Areas, and Similar Locations 251 525 Carnivals, Circuses, Fairs, and Similar Events 251 530 Motion Picture and Television Studios and Similar Locations 251 540 Motion Picture Projection Rooms 251 545 Manufactured Buildings 251 547 Agricultural Buildings 251 550 Mobile Homes, Manufactured Homes, and Mobile Home Parks 251 551 Recreational Vehicles and Recreational Vehicle Parks 251 552 Park Trailers 251 553 Floating Buildings 251 555 Marinas and Boatyards 251 590 Temporary Installations 251 6 Special Equipment 253600 Electric Signs and Outline Lighting 253 604 Manufactured Wiring Systems 253 605 Office Furnishings (Consisting of Lighting Accessories and Wired Partitions) 253 610 Cranes and Hoists 253 620 Elevators, Dumbwaiters, Escalators, Moving Walks, Wheelchair Lifts, and Stairway Chair Lifts 253 625 Electric Vehicle Charging System 253 630 Electric Welders 253 640 Audio Signal Processing, Amplification, and Reproduction Equipment 253 645 Information Technology Equipment 253 647 Sensitive Electronic Equipment 256 650 Pipe Organs 256 660 X-Ray Equipment 256 665 Induction and Dielectric Heating Equipment 256 668 Electrolytic Cells 256 669 Electroplating 256 670 Industrial Machinery 256 675 Electrically Driven or Controlled Irrigation Machines 256 680 Swimming Pools, Fountains, and Similar Installations 256 682 Natural and Artificially Made Bodies of Water 256 685 Integrated Electrical Systems 256 690 Solar Photovoltaic Systems 256 692 Fuel Cell Systems 256 695 Fire Pumps 256 7: Special Conditions 256700 Emergency Systems 256 701 Legally Required Standby Systems 259 702 Optional Standby Systems 262 705 Interconnected Electric Power Production Sources 263 720 Circuits and Equipment Operating at Less Than 50 Volts 264 725 Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits 264 727 Instrumentation Tray Cable, Type ITC 264 760 Fire Alarm Systems 264 770 Optical Fiber Cables and Raceways 264 780 Closed-Loop and Programmed Power Distribution 264 8: Communications Systems 264800 Communications Circuits 264 810 Radio and Television Equipment 264 820 Community Antenna Television and Radio Distribution Systems 264 830 Network-Powered Broadband Communications Systems 264 9: Tables 265Annex A Product Safety Standards 301Annex B Application Information for Ampacity Calculation 301Annex C Conduit and Tubing Fill Tables for Conductors and Fixture Wires of the Same Size 303Annex D Examples 399Annex E Types of Construction 429Annex F Cross Reference Tables 435Annex G Administration and Enforcement 435

About the Author :
Marvin J. Fischer, P.E., is currently a private consultant and member of NFPA's Technical Correlating Committee for Health Care Facilities. A Life Member of the NFPA, he has served as its Chairman of the Technical Committee on Essential Electrical Systems, Chairman of the Technical Correlating Committee for Health Care Facilities, and Chairman of the Technical Committee on Emergency Power Supplies. In 1992, he received the NFPA Committee Service Award; and in 1985, he was honored as Engineer of the Year by The American Society for Healthcare Engineering.