Electrical Wiring Residential

849 Pages·2017·26.26 MB·English

by  Ray C. Mullin, Phil Simmons

E L E C T R I C A L W I R I N G
R E S I D E N T I A L
Based on the 2017 National Electrical Code®
19
TH EDITION
i
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
01837_fm_ptg01_i-xxxii.indd 1 11/22/16 7:12 AM
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
01837_fm_ptg01_i-xxxii.indd 2 11/22/16 7:12 AM
E L E C T R I C A L W I R I N G
R E S I D E N T I A L
Based on the 2017 National Electrical Code®
19
TH EDITION
RAY C. MULLIN
PHIL SIMMONS
AAuussttrraalliiaa •• BBrraazziill •• MMeexxiiccoo •• SSiinnggaappoorree •• UUnniitteedd KKiinnggddoomm •• UUnniitteedd SSttaatteess
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
01837_fm_ptg01_i-xxxii.indd 3 11/22/16 7:12 AM
Electrical Wiring Residential, 19E © 2018, 2015, 2012 Cengage Learning
Ray C. Mullin, Phil Simmons
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Contents
Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xix
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxi
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xxxi
CCHHAAPPTTEERR General Information for Electrical Installations . . . . . . . . . 1
11
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Safety in the Workplace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Personal Protective Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Arc Flash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Safety Cannot Be Compromised! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Licensing and Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
National Electrical Code® (NEC®) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Language Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Building Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Metrics (SI) and the NEC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Listed Equipment and Nationally Recognized Testing
Laboratories (NRTL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Safety-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
CHAPTER Specifications, Electrical Symbols, and Outlets . . . . . . .30
2
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Plans and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Electrical Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Notations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Luminaires and Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Outlet, Device, and Junction Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Nonmetallic Outlet and Device Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Ganged Switch (Device) Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Box Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
v
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
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vi
Boxes for Conduit Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Yoke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Special-Purpose Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Number of Conductors in Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Selecting the Correct Size Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Height of Receptacle Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Positioning of Receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Part 1—Electrical Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Part 2—Structural Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
CHAPTER Determining the Required Number of Branch Circuits,
3 Lighting Outlets, and Receptacle Outlets . . . . . . . . . . . . . 73
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Basics of Wire Sizing and Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Calculating Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Calculating Floor Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Determining the Minimum Number of Lighting Branch Circuits . . . . . . 78
Track Lighting Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Summary of Where Receptacle and Lighting Outlets Must Be
Installed in Residences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
CHAPTER Conductor Sizes and Types, Wiring Methods, Wire
4
Connections, Voltage Drop, and Neutral Conductor
Sizing for Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Conductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Permissible Loads on Branch Circuits (210 .23) . . . . . . . . . . . . . . . . . . . 97
Aluminum Conductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Conductor Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Wet, Damp, Dry, and Sunlight Locations . . . . . . . . . . . . . . . . . . . . . . . 102
Voltage Drop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Approximate Conductor Size Relationship . . . . . . . . . . . . . . . . . . . . . . 110
Nonmetallic-Sheathed Cable (Article 334) . . . . . . . . . . . . . . . . . . . . . . 112
Armored Cable (Type AC) and Metal-Clad Cable (Type MC) . . . . . . . 123
Installing Cables Through Wood and Metal Framing Members (300 .4) . 128
Cables in Shallow Grooves and Chases . . . . . . . . . . . . . . . . . . . . . . . . . 130
Installation of Cables Through Ducts . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
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C0NTENTS vii
Connectors for Installing Nonmetallic-Sheathed and
Armored Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Intermediate Metal Conduit (Article 342), Rigid Metal Conduit
(Article 344), Rigid PVC Conduit (Article 352),
and Electrical Metallic Tubing (Article 358) . . . . . . . . . . . . . . . . . . . 133
Flexible Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Electrical Nonmetallic Tubing (ENT) (Article 362) . . . . . . . . . . . . . . . 139
Service-Entrance Cable (Article 338) . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
CHAPTER Conductor Identification, Switch Control of Lighting
5
Circuits, Bonding/Grounding of Wiring Devices, and
Induction Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Conductor Identification [NEC® Articles 200 and 210] . . . . . . . . . . . . . . . . .156
Connecting Wiring Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Push-In Terminations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Toggle Switches (Article 404) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Combination Wiring Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Common Code Violation Taps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
CHAPTER Ground-Fault Circuit Interrupters, Arc-Fault Circuit
6
Interrupters, Surge Protective Devices, Immersion
Detection Circuit Interrupters, and Appliance
Leakage Current Interrupters . . . . . . . . . . . . . . . . . . . . . . . .190
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Electrical Shock Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Code Requirements for Ground-Fault Circuit Interrupters (210 .8) . . . . 191
Ground-Fault Circuit Interrupter Requirements . . . . . . . . . . . . . . . . . . . . . . . .198
Feed-Through Ground-Fault Circuit Interrupter . . . . . . . . . . . . . . . . . . 199
Testing and Recording of Test Data for GFCI Receptacles . . . . . . . . . . 203
Arc-Fault Circuit Interrupters (AFCIs) . . . . . . . . . . . . . . . . . . . . . . . . . 204
Other Special-Purpose Receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Replacing Existing Receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218
Personnel Ground-Fault Protection for All Temporary Wiring . . . . . . . 222
Immersion Detection Circuit Interrupters (IDCIs) and Appliance
Leakage Current Interrupters (ALCIs) . . . . . . . . . . . . . . . . . . . . . . . . 224
Surge Protective Devices (SPDs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
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viii
CHAPTER Luminaires, Ballasts, and Lamps . . . . . . . . . . . . . . . . . . . . . . .232
7
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
What is a Luminaire? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Types of Luminaires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Fluorescent Ballasts and Lamps, Incandescent
Lamps, and LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Lamp Efficacy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Lamp Color Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
CHAPTER Lighting Branch Circuit for the Front Bedroom . . . . . . . .260
8
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Residential Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Laying Out General-Purpose Lighting and Receptacle Circuits . . . . . . 262
Estimating Loads for Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Drawing a Cable Layout and Wiring Diagram . . . . . . . . . . . . . . . . . . . 267
Drawing the Wiring Diagram of a Lighting Circuit . . . . . . . . . . . . . . . . 267
Lighting Branch Circuit A16 for the Front Bedroom . . . . . . . . . . . . . . 269
Determining the Size of Outlet Boxes, Device Boxes,
Junction Boxes, and Conduit Bodies . . . . . . . . . . . . . . . . . . . . . . . . . 271
Grounding of Wall Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Positioning of Split-Wired Receptacles . . . . . . . . . . . . . . . . . . . . . . . . . 272
Positioning of Receptacles Near Electric Baseboard Heating . . . . . . . . 272
Luminaires in Clothes Closets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
CHAPTER Lighting Branch Circuit for the Master Bedroom . . . . . .281
9
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Lighting Branch Circuit A19 for the Master Bedroom . . . . . . . . . . . . . 282
Sliding Glass Doors and Fixed Glass Panels . . . . . . . . . . . . . . . . . . . . . 283
Selection of Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283
Ceiling-Suspended (Paddle) Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 285
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
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C0NTENTS ix
CHAPTER Lighting Branch Circuit—Bathrooms, Hallway . . . . . . . . .294
10
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Lighting Branch Circuit A14 for the Hallway and Bathrooms . . . . . . . 295
Hanging Luminaires in Bathrooms . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Hallway Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Receptacle Outlets in Hallways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Equipment Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
CHAPTER Lighting Branch Circuit—Front Entry, Porch,
11 Post Light, Underground Wiring . . . . . . . . . . . . . . . . . . . . . . . .305
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Circuit A15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Doorjamb Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312
CHAPTER Lighting Branch Circuit and Small-Appliance
12 Circuits for the Kitchen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .315
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Kitchen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Lighting Circuit B7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Kitchen Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Fan Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Clock Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Small-Appliance Branch Circuits for Receptacles in the Kitchen . . . . . 321
Split-Wired Receptacles and Multiwire Circuits . . . . . . . . . . . . . . . . . . 327
Receptacles and Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
CHAPTER Lighting Branch Circuit for the Living Room . . . . . . . . . . .335
13 Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Lighting Circuit B17 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Track Lighting (Article 410, Part XV) . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Dimmer Controls for Homes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
01837_fm_ptg01_i-xxxii.indd 9 11/22/16 7:12 AM
x
CHAPTER Lighting Branch Circuit for the Study/Bedroom . . . . . . . .349
14
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
Circuit A21 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
Valance Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Surge Suppressors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352
CHAPTER Dryer Outlet, Lighting, and Receptacle Circuits
15
for the Laundry, Powder Room, Rear Entry Hall,
and Attic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .355
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 355
Receptacle Circuit B21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
Clothes Dryer Circuit ▲ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356
D
Receptacle Outlets—Laundry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Combination Washer/Dryers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Lighting Circuit B10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 362
Attic Lighting and Pilot Light Switches . . . . . . . . . . . . . . . . . . . . . . . . 364
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367
CHAPTER Branch Circuits for the Garage and Outdoors . . . . . . . . .371
16
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
Lighting Branch Circuit B14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372
Receptacle Branch Circuit B23 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Electric Vehicle Charging Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Lighting a Typical Residential Garage . . . . . . . . . . . . . . . . . . . . . . . . . . 375
Landscape Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 376
Outdoor Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
Underground Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380
Overhead Garage Door Operator ▲ . . . . . . . . . . . . . . . . . . . . . . . . . . 386
E
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
CHAPTER Recreation Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .393
17
Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Recreation Room Lighting (B9, 11, 12) . . . . . . . . . . . . . . . . . . . . . . . . 394
Receptacles and Wet Bar (B9–11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395
Review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Copyright 2018 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-203
01837_fm_ptg01_i-xxxii.indd 10 11/22/16 7:12 AM