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Delmar's Standard Textbook of Electricity

By Stephen L. Herman, Derek Vigstol

8th Edition © 2026
Discipline:Trades
Course:Building Trades/Construction
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Herman/Vigstol's DELMAR'S STANDARD TEXTBOOK OF ELECTRICITY, 8th Edition, combines basic electrical theory with practical information with no requirement for prior electrical knowledge. The text also limits math to basic algebra and trigonometry with step-by-step examples. Quality schematics and illustrations guide students through basic electrical circuits, DC and AC theory and equipment such as meters, transformers and motors. Numerous examples demonstrate how to complete common tasks electricians perform, while specific units cover only one or two topics each to ensure clarity. In addition, any discussion of installation practices has been written for compliance with the 2023 edition of NFPA 70®: National Electrical Code® (NEC®). MindTap online resources are also available with interactive multimedia and options to customize, track and report progress.

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AboutTable of contentsResourcesPricing & formatsRelated products

About this product

Herman/Vigstol's DELMAR'S STANDARD TEXTBOOK OF ELECTRICITY, 8th Edition, combines basic electrical theory with practical information with no requirement for prior electrical knowledge. The text also limits math to basic algebra and trigonometry with step-by-step examples. Quality schematics and illustrations guide students through basic electrical circuits, DC and AC theory and equipment such as meters, transformers and motors. Numerous examples demonstrate how to complete common tasks electricians perform, while specific units cover only one or two topics each to ensure clarity. In addition, any discussion of installation practices has been written for compliance with the 2023 edition of NFPA 70®: National Electrical Code® (NEC®). MindTap online resources are also available with interactive multimedia and options to customize, track and report progress.

This edition continues the effort to limit math concepts to basic algebra and trigonometry. These concepts are logically organized and include step-by-step examples to ensure students master the basics before moving to more advanced topics.

"Why You Need to Know" boxed articles highlight the relevance and emphasize the importance of the book's critical topics. These articles demonstrate how these principles are actually used in today's world.

Practical "Green Tips" integrated throughout the text, equip students to offer energy-efficient and "green" options as professionals. While these concepts have been updated to best reflect today’s equipment, the electrical field is ever-evolving and they present an opportunity for the instructor’s knowledge of new technology to be front and center.

Table of contents

Chapters

Cover Page
Title Page
Copyright Page
Preface
About the Authors
Acknowledgments
Electrical Occupations
Section 1. Safety, Basic Electricity, and Ohm’s Law
Section 2. Basic Electric Circuits
Section 3. Test Instruments and Wire Sizes
Section 4. Small Sources of Electricity
Section 5. Basics of Alternating Current
Section 6. Alternating Current (AC) Circuits Containing Inductance
Section 7. AC Circuits Containing Capacitors
Section 8. AC Circuits Containing Resistance-Inductance-Capacitance
Section 9. Three-Phase Power
Section 10. Transformers
Section 11. DC Machines
Section 12. AC Machines
Appendix A. Identifying the Leads of a Three-Phase, Wye-Connected, and Dual-Voltage Motor
Appendix B. AC Formulas
Appendix C. Greek Alphabet
Appendix D. Metals
Appendix E. Scientific Notation
Show more

Section 1. Safety, Basic Electricity, and Ohm’s Law

Unit 0. Safety Overview
Preview this section ↗
S–1. General Safety Rules ↗
Always Establish an Electrically Safe Work Condition when Working with Electrical Conductors and Circuit Parts ↗
Think ↗
Avoid Horseplay ↗
Do Not Work Alone ↗
Learn First Aid ↗
Avoid Alcohol and Drugs ↗
S–2. Effects of Electric Current on the Body ↗
S–3. On the Job ↗
OSHA ↗
Hazardous Materials ↗
Employer Responsibilities ↗
Safety Data Sheets ↗
Trenches ↗
Confined Spaces ↗
Lockout and Tagout Procedures ↗
S–4. Personal Protective Equipment ↗
Head Protection ↗
Eye Protection ↗
Hearing Protection ↗
Arc-Rated Clothing ↗
Gloves ↗
Fall Protection Harnesses ↗
S–5. Ladders and Scaffolds ↗
Rolling Scaffolds ↗
Hanging or Suspended Scaffolds ↗
Straight Ladders ↗
Step Ladders ↗
S–6. Fires ↗
S–7. Ground-Fault Circuit Interrupters ↗
GFCI Devices ↗
S–8. Arc-Fault Circuit Interrupters ↗
Parallel Arc Faults ↗
Series Arc Faults ↗
Arc-Fault Detection ↗
Connecting an Arc-Fault Circuit Interrupter ↗
Tamper-Resistant Receptacles ↗
S–9. Grounding and Bonding ↗
Summary ↗
Review Questions ↗
Unit 1. Atomic Structure
1–1. Early History of Electricity
1–2. Atoms
1–3. Coulomb’s Law
1–4. Structure of the Atom
1–5. Electron Orbits
1–6. Valence Electrons
1–7. The Bump Theory
1–8. Power Sources
1–9. Insulators
1–10. Semiconductors
1–11. Molecules
1–12. Methods of Producing Electricity
1–13. Electrical Effects
Summary
Review Questions
Unit 2. Electrical Quantities and Ohm’s Law
2–1. The Coulomb
2–2. The Ampere
2–3. The Electron Flow Theory
2–4. The Conventional Current Flow Theory
2–5. Speed of Current
2–6. Basic Electric Circuits
2–7. The Volt
2–8. The Ohm
2–9. The Watt
2–10. Other Measures of Power
2–11. Ohm’s Law
2–12. Metric Prefixes
The SI System
Summary
Review Questions
Practical Applications
Practice Problems
Unit 3. Static Electricity
3–1. Static Electricity
3–2. Charging an Object
3–3. The Electroscope
Testing an Object
3–4. Static Electricity in Nature
Lightning Protection
3–5. Nuisance Static Charges
3–6. Useful Static Charges
Summary
Review Questions
Unit 4. Magnetism
4–1. The Earth Is a Magnet
4–2. Permanent Magnets
The Electron Theory of Magnetism
Magnetic Materials
Magnetic Lines of Force
4–3. Electromagnetics
Core Material
4–4. Magnetic Measurements
The English System
The CGS System
The MKS or SI System
Magnetic Polarity
4–5. Working with Magnetism
Magnetic Devices
The Speaker
Summary
Review Questions
Practical Applications
Unit 5. Resistors
5–1. Uses of Resistors
5–2. Fixed Resistors
Metal Film Resistors
Carbon Film Resistors
Metal Glaze Resistors
Wire-Wound Resistors
5–3. Color Code
Gold and Silver as Multipliers
5–4. Standard Resistance Values of Fixed Resistors
5–5. Power Ratings
5–6. Variable Resistors
Variable Resistor Terminology
5–7. Schematic Symbols
Summary
Review Questions
Practical Applications
Practice Problems

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