 Contents
Tables vii
Preface to 32nd edition viii
Preface to 40th edition ix
Introduction and guide x
PART 1. GETTING STARTED: THE BASICS
Chapter 1. STANDARDS, CODES, AND SAFETY 1
Standards 1
Codes, Permits, and Licenses 3
Safety Practices 5
Chapter 2.
PLANNING YOUR ELECTRICAL INSTALLATION 9
Consider Present and Future Needs 8 Location of Lighting, Switches, and Outlet Receptacles 9 Choosing Lighting Fixtures 14 Lighting and Receptacles for Garages and Outbuildings 18
Chapter 3.
MEASURING ELECTRICITY 19
Units of Measurement 19 Residential Electric Power 21 Types of Electric Current 23
PART 2. WIRES, CIRCUITS, AND GROUNDING
Chapter 4. WIRE-SELECTING AND CONNECTING 26
Wire Sizes 26 Wire Types 31 Cable Types 32 Flexible Cords 34 Tools Used for Wiring Jobs 35 Terminals for Connecting Wires to Devices 35 Connectors for Splicing Wires 39
Chapter 5. CIRCUIT PROTECTION AND PLANNING 42
Overcurrent Devices 42 Feeders and Branch Circuits 45 Calculating Branch Circuit Needs 46
Chapter 6. CIRCUIT DIAGRAMS 51
Grounded Wires 51 Wiring Diagrams 52
Chapter 7.
GROUNDING FOR SAFETY 62
How Dangerous Are Shocks? 63 Grounding Basics 63 Grounding Overview 64 How Grounding Promotes Safety 65 Grounding Considerations for Wiring Systems 69 Grounding-Type Receptacles Increase Safety 70 Ground-Fault Circuit Interrupter (GFCI) 71 Lightning Arresters 73 Surge Suppressors for Computers and Other Electronic Equipment 73
PART 3. INSTALLING SERVICE EQUIPMENT AND WIRING
Chapter 8.
THE SERVICE ENTRANCE 75
Planning Your Service Entrance 75 Disconnecting Means 77 Installing the Service Entrance 80 Making Ground Connections 89 Emergency Backup Generators 93
Chapter 9. OUTLET AND SWITCH BOXES 96
Planning Your Box Installation 96 Installing Boxes 100 Selecting Switches 105 Face Plates 106
Chapter 10. BASIC WIRING PROCEDURES 107
Planning the Installation 107 Feeding and Connecting the Wires 110 Two-Circuit Duplex Receptacles 114 Three-Wire Circuits 115 Detached Garages and Accessory Buildings 117
Chapter
11. CABLE: NONMETALLIC-SHEATHED AND ARMORED 121
Nonmetallic-Sheathed Cable 121 Armored Cable 127
Chapter
12. TUBULAR RACEWAYS 132
Choosing and Installing Tubular Raceways 132 Nonflexible Heavy-Wall Conduit 133 Tubing (Thinwall Nonflexible Raceways) 136 Flexible Raceways 138 Installing Wires in Conduit 140
Chapter
13. MODERNIZING OLD WIRING 141
Problems of "Old Work" 142 Wiring Methods 142 Installing New Service and Circuits 144 Installing Boxes and Running Cable 146 Installing Switches, Receptacles, and Outlets 155
Chapter
14. APPLIANCES 158
Receptacles 158 Individual Circuits for Appliances 160 Grounding of Appliances 161 Disconnecting Means and Overcurrent Protection 161 Wiring of Common Heavy Appliances 162
Chapter
15. FINISHING YOUR ELECTRICAL INSTALLATION 166
Installing Devices in Boxes 166 Hanging Fixtures 167
PART 4. SPECIAL WIRING SITUATIONS AND PROJECTS
Chapter 16.
ELECTRIC MOTORS 170
Work Capacity of Motors 170 Power Consumed by Motors 171 Types of Motors 172 Large Motors on Farms 173 Phase Converters 174 Motor Circuit Requirements 175 Installing the Motor 179
Chapter
17. FARM WIRING 180
Locating the Meter Pole ("Distribution Point" in the NEC Terminology) 180 Determining Size of Wires and Service 185 Installing Overhead Wiring 188 Installing Underground Wiring 189 Installing Service Equipment at Buildings 190 Grounds: Location and Installation, and Special Requirements 192 Wiring Branch Circuits and Outlets in Farm Buildings 195 Farm Safety 202
Chapter
18. LOW-VOLTAGE WIRING 204
Telephone Wiring 204 CATV Wiring 206 Home Computer Network Wiring 207 Doorbells, Chimes, and Other Low-Voltage Controls 207 Low-Voltage Switches 200 Wireless Radio-Controlled Switches 210 Central Vacuum Systems 211
Chapter
19. TROUBLESHOOTING AND REPAIRS 212
Troubleshooting Fuses and Circuit Breakers 212 Updating Aluminum Wiring 215 Replacing Wall Switches 216 Testing and Replacing Wall Receptacles 218 Troubleshooting Light Fixtures 218 Troubleshooting Cords and Plugs 219 Repairing Table or Floor Lamps 220 Troubleshooting Doorbells and Chimes 221
Glossary.
223
Index. 231
About the Authors. 243
Order Form. 244
Tables
Table 3-1. Watts Consumed by Various Appliances 23
Table 4-1. Ampacity of Copper Wires 27
Table 4-2. One-Way Distances for 2% Volume Drop by Wire Size at 120 Volts Single-Phase
30
Table 4-3. One-Way Distances for 2% Volume Drop by Wire Size at 240 Volts Single-Phase
30
Table 5-1. Number of Lighting Circuits 47
Table 5-2. Determining Correct Amperage for Motors 49
Table 5-3. Suggested Number of 120-Volt and 240-Volt Circuits 49
Table 9-1. Interior Volume of Standard Boxes 99
Table 9-2. Volume Required per Conductor 99
Table 16-1. Allowable Distance (in Feet) from Service Equipment to Single-Phase Motor for Different Wire Sizes 179

Park Publishing, Inc.
Softcover, 5 1/2 x 8 1/2 inches, 256 pages, 228 illustrations
45th edition, May 2017
ISBN 978-0997905311
Price $15.95
Order this book now!
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