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Residential Construction Academy : Electrical Principles,9781401812942
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Residential Construction Academy : Electrical Principles

by
Edition:
1st
ISBN13:

9781401812942

ISBN10:
1401812945
Format:
Hardcover
Pub. Date:
11/18/2002
Publisher(s):
Cengage Learning
List Price: $139.95
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  • Residential Construction Academy : Electrical Principles
    Residential Construction Academy : Electrical Principles




Summary

Based on national standards set by the residential construction industry, the new Residential Construction Academy Series is the result of a partnership between Home Builders Institute and Delmar Learning. This series is the perfect way to guide learners to development of essential workplace skills. Electrical Principles focuses on the important topics that residential electricians need, presented logically so that learners can fully grasp the concepts they will need on the job. This book covers each of the work functions, key activities, and specialties addressed in the NAHB's Residential Electrician Skill Standards. Through the use of a lively writing style and frequent examples, Stephen Herman provides a blend of practical and theoretical material that is easy to follow. This book focuses on the theory needed by a residential wireman, including Ohm's Law, circuits, instruments, direct and alternative current theory, transformers, motors, important safety information, and more.

Table of Contents

Preface xi
SECTION 1 Basic Electricity 1(144)
Safety
3(16)
General Safety Rules
5(1)
Effects of Electric Current on the Body
5(3)
Protective Clothing
8(1)
Ladders and Scaffolds
9(2)
Fires
11(1)
Ground Fault Circuit Interrupters
12(1)
Grounding
13(1)
Summary
14(1)
Review Questions
14(5)
Basic Electrical Theory
19(9)
Early History of Electricity
21(1)
Atoms
21(2)
The Law of Charges
23(1)
Centrifugal Force
24(1)
Election Orbits
24(1)
Valence Electrons
25(1)
Electron Flow
26(1)
Insulators
26(1)
Methods of Producing Electricity
26(1)
Summary
27(1)
Review Questions
27(1)
Electrical Quantities and Ohm's Law
28(13)
The Coulomb
30(1)
The Amp
30(1)
The Electron Theory
30(1)
The Conventional Current Theory
30(1)
Speed of Current
31(1)
Basic Electrical Circuits
32(1)
The Volt
33(1)
The Ohm
33(1)
The Watt
34(1)
Other Measures of Power
35(1)
Ohm's Law
36(3)
Metric Units
39(1)
Summary
39(1)
Review Questions
40(1)
Resistors
41(13)
Uses of Resistors
43(1)
Fixed Resistors
43(2)
Color Code
45(3)
Standard Resistance Values of Fixed Resistors
48(1)
Power Ratings
49(1)
Variable Resistors
50(1)
Schematic Symbols
51(1)
Summary
52(2)
Series Circuits
54(15)
Series Circuits
56(1)
Voltage Drops in a Series Circuit
56(1)
Resistance in a Series Circuit
57(1)
Calculating Series Circuit Values
57(1)
Solving Circuits
58(6)
Voltage Dividers
64(1)
The General Voltage Divider Formula
65(1)
Voltage Polarity
65(1)
Using Ground as a Reference
66(1)
Summary
67(1)
Review Questions
67(2)
Parallel Circuits
69(13)
Parallel Circuit Values
71(1)
Parallel Resistance Formulas
72(7)
Summary
79(1)
Review Questions
80(2)
Combination Circuits
82(17)
Combination Circuits
84(1)
Solving Combination Circuits
84(1)
Simplifying the Circuit
84(12)
Summary
96(1)
Review Questions
96(3)
Measuring Instruments
99(17)
Analog Meters
101(1)
The Voltmeter
101(1)
Multirange Voltmeters
102(1)
Reading a Meter
103(2)
The Ammeter
105(1)
Ammeter Shunts
105(1)
AC Ammeters
106(2)
Clamp-on Ammeters
108(1)
DC-AC Clamp-on Ammeters
108(2)
The Ohmmeter
110(1)
Digital Meters
111(2)
The Low-Impedance Voltage Tester
113(1)
Summary
114(1)
Review Questions
115(1)
Using Wire Tables and Determining Conductor Sizes
116(16)
Using the National Electric Code Charts
118(1)
Factors That Determine Ampacity
118(4)
Correction Factors
122(1)
Computing Conductor Sizes and Resistance
123(5)
Computing Voltage Drop
128(1)
Parallel Conductors
128(1)
Testing Wire Installations
129(1)
Summary
130(1)
Review Questions
131(1)
Magnetic Induction
132(13)
Magnetic Induction
134(1)
Fleming's Left-Hand Generator Rule
135(1)
Moving Magnetic Fields
135(1)
Determining the Amount of Induced Voltage
135(1)
Lenz's Law
136(1)
Rise Time of Current in an Inductor
136(1)
The Exponential Curve
137(1)
Inductance
138(1)
R-L Time Constants
139(1)
Induced Voltage Spikes
140(2)
Summary
142(1)
Review Questions
143(2)
SECTION 2 Alternating Current 145(116)
Alternating Current
147(12)
Advantages of Alternating Current
149(1)
AC Wave Forms
149(2)
Sine Wave Values
151(4)
Resistive Loads
155(1)
Power in an AC Circuit
155(1)
Skin Effects in AC Circuits
155(1)
Summary
156(1)
Review Questions
157(2)
Inductance in Alternating Current Schedules
159(11)
Inductance
161(1)
Inductive Reactance
162(2)
Schematic Symbols
164(1)
Inductors Connected in Series
164(1)
Inductors Connected in Parallel
165(1)
Voltage and Current Relationships in an Inductive Current
166(1)
Power in an Inductive Circuit
166(1)
Reactive Power
167(1)
Q of an Inductor
167(1)
Summary
168(1)
Review Questions
169(1)
Resistance-Inductive Series Circuits
170(16)
RL Series Circuits
172(1)
Impedance
172(1)
Vectors
172(4)
Total Current
176(1)
Voltage Drop across the Resistor
176(1)
Watts
176(1)
Computing Inductance
177(1)
Voltage Drop across the Inductor
177(1)
Total Voltage
177(1)
Computing the Reactive Power
178(1)
Computing the Apparent Power
178(1)
Power Factor
178(1)
Angle Theta
179(5)
Summary
184(1)
Review Questions
184(2)
Resistive-Inductive Parallel Circuits
186(11)
Resistive-Inductive Parallel Circuits
188(1)
Computing Circuit Values
188(7)
Summary
195(1)
Review Questions
195(2)
Capacitors
197(24)
Capacitors
199(1)
Electrostatic Charge
200(1)
Dielectric Constants
201(1)
Capacitor Ratings
202(1)
Capacitors Connected in Parallel
202(1)
Capacitors Connected in a Series
203(1)
Capacitive Charge and Discharge Rates
203(1)
RC Time Constants
204(1)
Applications for Capacitors
205(1)
Nonpolarized Capacitors
205(2)
Polarized Capacitors
207(1)
Variable Capacitors
208(1)
Testing Capacitors
208(1)
Connecting the Capacitor into an AC Circuit
209(1)
Capacitive Reactance
210(1)
Voltage and Current Relationships in a Pure Capacitive Circuit
211(1)
Power in a Pure Capacitive Circuit
212(1)
Capacitor Voltage Rating
212(1)
Effects of Frequency in a Capacitive Circuit
213(5)
Summary
218(1)
Review Questions
219(2)
Single-Phase Transformers
221(22)
Single-Phase Transformers
223(1)
Isolation Transformers
223(10)
Autotransformers
233(2)
Transformer Polarities
235(2)
Voltage and Current Relationships in a Transformer
237(1)
Testing the Transformer
238(1)
Transformer Ratings
239(1)
Determining Maximum Current
239(1)
Transformer Impedance
239(1)
Summary
240(1)
Review Questions
241(2)
Single-Phase Motors
243(18)
Split-Phase Motors
245(1)
Resistance-Start Induction-Run Motors
246(4)
Capacitor-Start Induction-Run Motors
250(1)
Dual-Voltage Split-Phase Motors
251(1)
Determining the Direction of Rotation for Split-Phase Motors
252(1)
Capacitor-Start Capacitor-Run Motors
252(2)
Shaded-Pole Induction Motors
254(1)
Multispeed Motors
255(1)
Single-Phase Synchronous Motors
256(1)
Warren Motors
256(1)
Universal Motors
257(2)
Summary
259(1)
Review Questions
260(1)
Appendix A Trigonometric Functions-Natural Sines and Cosines 261(2)
Appendix B Trigonometric Functions-Natural Tangents and Cotangents 263(2)
Appendix C Alternating Current Formulas 265(5)
Appendix D Greek Alphabet 270(1)
Appendix E Scientific Notation 271(2)
Appendix F Answers to Practice Problems 273(4)
Glossary 277(6)
Index 283


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