Electrical Basics Course

Lesson 1 • Ohm's Law and Its Applications

Introduces the linear relationship between voltage, current, and resistance. Students apply the formula to solve basic circuit problems.

Lesson 2 • Voltage, Current, and Resistance

Defines the three primary electrical quantities and their units of measurement. Connects these quantities as the building blocks of circuit analysis.

Lesson 3 • Nature of Electric Charge

Covers atomic structure, electron behavior, and how charge is generated and transferred. Provides the conceptual base for all subsequent electrical theory.

Lesson 1 • Parallel Circuits Analysis

Covers how parallel branches share voltage and divide current. Contrasts parallel behavior with series circuits to deepen understanding.

Lesson 2 • Series Circuits Analysis

Examines how components connected in series share current and divide voltage. Builds analytical skills for the simplest circuit topology.

Lesson 3 • Reading Electrical Schematics

Teaches interpretation of standard schematic diagrams using universal symbols. Prepares students to read and draw circuit documentation accurately.

Lesson 4 • Combination and Complex Circuits

Addresses circuits containing both series and parallel sections. Students reduce complex networks to simpler equivalents for analysis.

Lesson 1 • Personal Protective Equipment

Covers selection, inspection, and proper use of PPE for electrical tasks. Directly supports hazard mitigation identified in the previous section.

Lesson 2 • Grounding and Bonding Fundamentals

Explains the purpose of grounding and bonding in preventing shock and equipment damage. Connects safety theory to wiring practices covered in later chapters.

Lesson 3 • Electrical Hazards and Risk Recognition

Identifies shock, arc flash, fire, and explosion hazards in electrical work. Establishes a hazard-awareness mindset as the foundation of safe practice.

Lesson 4 • Lockout and Tagout Procedures

Teaches energy isolation, lockout device application, and verification steps. Ensures students can de-energize equipment safely before maintenance.

Lesson 1 • Clamp Meters and Ammeters

Introduces non-contact current measurement using clamp meters. Explains when clamp meters are preferred over inline ammeters.

Lesson 2 • Multimeter Operation and Use

Covers digital and analog multimeter functions, range selection, and probe placement. Central to all hands-on measurement tasks in the course.

Lesson 3 • Oscilloscope Fundamentals

Explains oscilloscope controls, probe setup, and waveform interpretation. Connects waveform analysis to AC circuit understanding introduced later.

Lesson 1 • AC Waveform Characteristics

Defines sinusoidal waveforms, amplitude, frequency, and period. Provides the vocabulary and math needed for all AC circuit analysis.

Lesson 2 • Capacitors in AC Circuits

Explains capacitive reactance and how capacitors oppose changes in voltage. Builds on DC capacitor knowledge to show frequency-dependent behavior.

Lesson 3 • Inductors in AC Circuits

Covers inductive reactance and how inductors oppose changes in current. Contrasts inductive behavior with capacitive behavior for comparative understanding.

Lesson 4 • Impedance and AC Power

Combines resistance and reactance into impedance and introduces real, reactive, and apparent power. Prepares students for power factor analysis.

Lesson 1 • Overcurrent Protection Devices

Explains fuses and circuit breakers as conductor and equipment protection. Connects overcurrent protection to conductor ampacity selected earlier.

Lesson 2 • Outlet, Switch, and Device Wiring

Covers wiring receptacles, switches, and fixtures in residential and light commercial settings. Applies conductor selection and connection skills to complete installations.

Lesson 3 • Conductor Types and Selection

Covers wire gauges, insulation ratings, and ampacity tables for conductor selection. Directly informs safe and code-compliant wiring decisions.

Lesson 4 • Conduit and Cable Routing

Introduces conduit types, fill calculations, and cable management best practices. Ensures conductors are protected and installations are maintainable.

Lesson 1 • Power Factor and Correction

Revisits power factor in the context of distribution system efficiency and utility billing. Students apply correction techniques to improve system performance.

Lesson 2 • Three-Phase Power Systems

Covers wye and delta configurations, line vs. phase quantities, and three-phase advantages. Builds on single-phase AC knowledge for industrial applications.

Lesson 3 • Switchgear and Panelboards

Describes the function of switchgear, panelboards, and distribution boards in a facility. Connects distribution theory to physical equipment students will encounter.

Lesson 4 • Power Generation Overview

Summarizes how generators convert mechanical energy to electrical energy. Provides context for the distribution systems that follow.

Lesson 1 • Troubleshooting Methodology

Introduces structured fault-finding approaches including symptom analysis and hypothesis testing. Establishes a repeatable process before specific fault types are addressed.

Lesson 2 • Troubleshooting Motors and Controls

Addresses fault diagnosis in motor circuits, contactors, and basic control wiring. Extends troubleshooting skills to electromechanical systems common in industry.

Lesson 3 • Diagnostic Testing Techniques

Applies multimeter, clamp meter, and insulation tester to locate specific faults. Reinforces test equipment skills from Chapter 3 in a diagnostic context.

Lesson 4 • Preventive and Predictive Maintenance

Introduces scheduled inspection, thermal imaging, and condition monitoring to prevent failures. Shifts students from reactive to proactive maintenance thinking.