Modern Commercial Wiring, 7th Edition Page xii (12 of 315)

xii 1 Electrical Fundamentals Review . . . . . . . . . . . . . . . .1 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4 Electrical Prints, Specifi cations, and Codes . . . . . 41 5 Wiring Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 6 Conductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 7 Boxes and Conduit Bodies . . . . . . . . . . . . . . . . . . . 103 8 Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . 115 9 Service and Distribution . . . . . . . . . . . . . . . . . . . . . 125 10 Transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 11 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 12 Branch Circuits and Feeders . . . . . . . . . . . . . . . . . 167 13 Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 14 Motor Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 15 Emergency Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 16 Hazardous Locations . . . . . . . . . . . . . . . . . . . . . . . . 221 17 Pools and Fountains . . . . . . . . . . . . . . . . . . . . . . . . 233 18 Maintenance and Troubleshooting . . . . . . . . . . . 243 Brief Contents

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xii 1 Electrical Fundamentals Review . . . . . . . . . . . . . . . .1 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 3 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4 Electrical Prints, Specifi cations, and Codes . . . . . 41 5 Wiring Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 6 Conductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 7 Boxes and Conduit Bodies . . . . . . . . . . . . . . . . . . . 103 8 Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . 115 9 Service and Distribution . . . . . . . . . . . . . . . . . . . . . 125 10 Transformers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 11 Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 12 Branch Circuits and Feeders . . . . . . . . . . . . . . . . . 167 13 Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 14 Motor Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 15 Emergency Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 213 16 Hazardous Locations . . . . . . . . . . . . . . . . . . . . . . . . 221 17 Pools and Fountains . . . . . . . . . . . . . . . . . . . . . . . . 233 18 Maintenance and Troubleshooting . . . . . . . . . . . 243 Brief Contents

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xiii Chapter 1 Electrical Fundamentals Review . . . .1 1.1 Basic Electrical Circuit Units . . . . . . . . 2 1.2 Basic Circuits . . . . . . . . . . . . . . . . . . . . . 3 1.3 Alternating Current. . . . . . . . . . . . . . . . 8 1.4 Utilization Voltages . . . . . . . . . . . . . . . 14 Chapter 2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . .19 2.1 Cause of Accidents. . . . . . . . . . . . . . . . 19 2.2 Accident Prevention . . . . . . . . . . . . . . 23 2.3 Helping an Injured Worker . . . . . . . . 26 2.4 First Aid Preparation. . . . . . . . . . . . . . 26 Chapter 3 Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 3.1 Standard Construction Tools . . . . . . . 29 3.2 Electrical Tools . . . . . . . . . . . . . . . . . . . 33 Chapter 4 Electrical Prints, Specifi cations, and Codes . . . . . . . . .41 4.1 Electrical Print Reading . . . . . . . . . . . 42 4.2 Electrical Specifications. . . . . . . . . . . . 47 fi 4.3 Building Codes. . . . . . . . . . . . . . . . . . . 47 Chapter 5 Wiring Methods . . . . . . . . . . . . . . . . . 59 5.1 General Rules and Requirements . . . 60 5.2 Wiring Methods. . . . . . . . . . . . . . . . . . 64 Chapter 6 Conductors . . . . . . . . . . . . . . . . . . . . . 83 6.1 Conductors . . . . . . . . . . . . . . . . . . . . . . 84 6.2 Code Requirements for Conductors . . . . . . . . . . . . . . . . . . . 89 6.3 Allowable Ampacities in Conductors. . . . . . . . . . . . . . . . . . . . 92 6.4 Voltage Drop. . . . . . . . . . . . . . . . . . . . . 96 6.5 Conduit Capacity . . . . . . . . . . . . . . . . . 99 Chapter 7 Boxes and Conduit Bodies . . . . . . 103 7.1 Enclosures. . . . . . . . . . . . . . . . . . . . . . 103 7.2 Enclosure Sizing. . . . . . . . . . . . . . . . . 107 7.3 Outlet and Device Boxes. . . . . . . . . . 108 Chapter 8 Overcurrent Protection. . . . . . . . . . 115 8.1 Overcurrent . . . . . . . . . . . . . . . . . . . . 115 8.2 Overcurrent Protection Requirements . . . . . . . . . .116 8.3 Overcurrent Protective Devices. . . . 117 8.4 Conductor Taps . . . . . . . . . . . . . . . . . 122 Chapter 9 Service and Distribution . . . . . . . . 125 9.1 Service . . . . . . . . . . . . . . . . . . . . . . . . . 125 9.2 Distribution Systems . . . . . . . . . . . . . 131 Contents

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xi Instructor n Resources provide information and d tools t to support teaching, grading, and planning, g, class presentations, and assessment. Instructor’s Presentations for PowerPoint® Help teach and visually reinforce c e key concepts with prepared lectures. These presen e nt ationst io are designed to allow for custo tomization to meet daily teaching needs. They includ u de ob o bj ectives, outlines, and images from the th textbook. ExamView® Assessment Suite Quickly and easil si ly prepare, print, and administer tests with the ExamVi xa V ie w® Assessment Suite. With hundreds d of questions in the test bank corresponding to ea e ac h chapter, ch you can choose which quest es ti ons to include in each test, create multiple versions on of of a single test, and automatically generate e answer keys. Existing questions may be modified d and d new questions may be added. fi You can ca prepare pretests, formative assessments, and summative um ma assessments easily with the Exa xamView® Assessment Suite. Instructor’s Resource CD One resource provides instructors with time- m saving preparation tools, such as answer er keys, ey lesson plans, and other teaching aids. s. Online Instructor Resources Online Instructor Resources r ce provide pr all the sup- port needed to make preparation pr ar and classroom instruction easier than ha ever. ev Available in one accessible location, n, support up materials include Answer Keys, Lesson L so Plans, Instructor Presenta- tions for Pow we rPoint®, P oi ExamView® Assessment Suite, and d more or e! Online Instructor Resources are available bl as s a subscription and can be accessed at school ch o l or at home. Instructor Resources

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