Electrical Course

Lesson 1 • Electrical Hazard Recognition

Identifies shock, arc flash, and fire hazards in electrical environments. Provides the safety awareness required before any hands-on lab work.

Lesson 2 • Personal Protective Equipment

Covers selection, inspection, and proper use of PPE for electrical tasks. Directly supports safe participation in all lab exercises.

Lesson 3 • Atomic Theory and Electrical Charge

Explains electron behavior, charge, and how current flows in conductors. Establishes the atomic basis needed for all subsequent circuit analysis.

Lesson 4 • Voltage, Current, and Resistance

Defines the three core electrical quantities and their units. Connects measurement concepts to real circuit behavior throughout the course.

Lesson 1 • Parallel Circuit Analysis

Examines circuits with multiple current paths and shared voltage. Prepares students for combination circuit analysis and real-world branch wiring.

Lesson 2 • Series-Parallel Combination Circuits

Solves complex networks by reducing them to equivalent series or parallel sections. Develops systematic problem-solving skills applied in advanced circuit chapters.

Lesson 3 • Series Circuit Analysis

Analyzes circuits where components share a single current path. Introduces voltage division and total resistance concepts built upon in combination circuits.

Lesson 4 • Kirchhoff's Laws

Uses KVL and KCL to analyze circuits not solvable by simple reduction. Provides the analytical tools required for AC and network circuit chapters.

Lesson 1 • Oscilloscope Fundamentals

Introduces oscilloscope controls to display and measure waveforms. Prepares students for AC circuit analysis and signal troubleshooting in later chapters.

Lesson 2 • Measurement Error and Calibration

Identifies sources of measurement error and explains instrument calibration requirements. Ensures data reliability in lab reports and field diagnostics.

Lesson 3 • Insulation and Continuity Testing

Uses megohmmeters and continuity testers to verify conductor integrity. Directly supports wiring installation verification and fault-finding procedures.

Lesson 4 • Multimeter Operation and Safety

Covers meter functions, range selection, and safe probe placement. Establishes correct measurement habits used throughout all lab activities.

Lesson 1 • AC Power and Power Factor

Distinguishes true, reactive, and apparent power and calculates power factor. Directly supports power factor correction work in the wiring and systems chapters.

Lesson 2 • Inductance and Inductive Reactance

Explains how inductors oppose current change and create reactance in AC circuits. Connects inductor behavior to motor and transformer analysis in later chapters.

Lesson 3 • Capacitance and Capacitive Reactance

Describes capacitor charging behavior and frequency-dependent reactance. Prepares students for power factor correction and filter circuit design.

Lesson 4 • Impedance and Phasor Analysis

Combines resistance and reactance into impedance using phasor diagrams. Provides the analytical framework for RLC circuit and power factor calculations.

Lesson 1 • Wiring Devices and Boxes

Covers outlet, switch, and junction box selection, fill, and installation. Completes the wiring system knowledge needed for residential and commercial work.

Lesson 2 • Conductor Types and Sizing

Covers wire gauge systems, insulation ratings, and ampacity tables. Ensures correct conductor selection for load, temperature, and installation conditions.

Lesson 3 • Cable Wiring Systems

Examines armored, metal-clad, and nonmetallic sheathed cable applications. Connects cable selection to installation environment and load requirements.

Lesson 4 • Conduit Systems and Raceways

Identifies conduit types, fill calculations, and bending techniques. Prepares students to design and install compliant raceway systems in the field.

Lesson 1 • Transformer Types and Ratings

Compares step-up, step-down, isolation, and autotransformers by application. Guides correct transformer selection for distribution and control circuit tasks.

Lesson 2 • Power Distribution System Layout

Traces power flow from utility service entrance through panels to branch circuits. Connects distribution knowledge to panel installation and load calculation work.

Lesson 3 • Three-Phase Transformer Connections

Covers delta and wye winding configurations and their voltage relationships. Prepares students for three-phase power distribution and motor circuit analysis.

Lesson 4 • Transformer Principles of Operation

Explains mutual induction, core flux, and the turns ratio relationship. Establishes transformer theory applied to distribution and isolation transformer work.

Lesson 1 • Overload Protection and Sizing

Selects and sets thermal and electronic overload relays to protect motor windings. Connects overload sizing to motor nameplate data and applicable standards.

Lesson 2 • Motor Starter and Contactor Wiring

Wires across-the-line starters, contactors, and auxiliary contacts for motor control. Directly prepares students for ladder logic and control circuit design.

Lesson 3 • AC Motor Types and Operation

Compares induction, synchronous, and single-phase motor designs and their operating principles. Establishes motor theory required for control circuit and drive chapters.

Lesson 4 • Motor Troubleshooting Procedures

Diagnoses motor faults using resistance, insulation, and current measurements. Develops systematic fault-finding skills applied in the advanced troubleshooting chapter.

Lesson 1 • Systematic Troubleshooting Methodology

Introduces half-split, cause-and-effect, and symptom-based diagnostic strategies. Provides the structured thinking framework applied in all subsequent fault-finding exercises.

Lesson 2 • Documentation and Corrective Action

Records fault findings, corrective actions, and test results in maintenance logs. Establishes professional documentation habits required in industrial and commercial settings.

Lesson 3 • Control Circuit Fault Diagnosis

Traces faults in ladder logic control circuits using voltage and continuity tests. Applies motor control wiring knowledge to real-world starter and relay failures.

Lesson 4 • Open and Short Circuit Faults

Identifies symptoms and locates open and short circuit conditions using meters. Builds fault recognition skills essential for panel and motor system diagnosis.