Professional Electrician Course

Lesson 1 • Electrical Hazards and Shock Prevention

Identifies shock, arc flash, and fire hazards and their physiological effects. Provides the safety rationale underlying every hands-on task in the course.

Lesson 2 • Atomic Theory and Electron Flow

Covers atomic structure, free electrons, and how electric current flows through conductors. Establishes the physical basis for all subsequent electrical concepts.

Lesson 3 • Voltage, Electric Current, and Electrical Resistance

Defines the three fundamental electrical quantities and their units. Connects these quantities to real-world circuit behaviour throughout the chapter.

Lesson 4 • Tools, Meters, and Test Equipment

Covers hand tools, power tools, and basic test instruments used daily by electricians. Proper tool selection and care prevent injury and ensure accurate measurements.

Lesson 1 • Series-Parallel Combination Circuits

Teaches systematic reduction of complex networks to solve for all unknowns. Builds problem-solving discipline needed for troubleshooting real installations.

Lesson 2 • Parallel Circuit Characteristics

Analyses branch currents, common voltage, and equivalent electrical resistance in parallel circuits. Directly applies to residential and commercial branch circuit design.

Lesson 3 • Power and Energy in DC Circuits

Calculates power dissipation and energy consumption using Watt's Law and related formulas. Connects theory to load calculations performed in later chapters.

Lesson 4 • DC Circuit Troubleshooting Methods

Applies systematic diagnostic techniques to locate opens, shorts, and high-resistance faults. Develops the logical fault-finding mindset used throughout the profession.

Lesson 1 • Capacitance and Capacitive Reactance

Covers capacitor behaviour, capacitive reactance, and leading electric current electrical phase. Prepares students for power factor correction and filter circuit applications.

Lesson 2 • Inductance and Inductive Reactance

Explains how inductors oppose electric current change and create reactance in AC circuits. Foundational for understanding motors, transformers, and power factor.

Lesson 3 • Impedance and RLC Circuits

Combines electrical resistance, inductive reactance, and capacitive reactance into impedance using phasor analysis. Enables complete AC circuit calculations for complex loads.

Lesson 4 • AC Power: True, Reactive, and Apparent

Distinguishes real power, reactive power, and apparent power using the power triangle. Directly supports load calculations and power factor correction work.

Lesson 1 • Cable Assemblies and Their Applications

Identifies common cable types and their permitted uses in various environments. Matching cable type to application is a daily code compliance task.

Lesson 2 • Conduit Types and Installation

Covers rigid, intermediate, and flexible conduit systems and their installation requirements. Conduit selection affects mechanical protection, equipotential bonding, and future wire pulling.

Lesson 3 • Grounding and Bonding Fundamentals

Distinguishes grounding from equipotential bonding and explains their roles in fault protection and safety. These concepts underpin every installation covered in subsequent chapters.

Lesson 4 • Conductor Types and Sizing

Covers wire materials, insulation types, ampacity tables, and derating factors. Correct current-carrying conductor sizing prevents overheating and code violations.

Lesson 1 • Panelboard Installation and Circuits

Teaches load centre selection, circuit breaker installation, and circuit directory labelling. Proper distribution board wiring ensures safe circuit protection for all branch circuits.

Lesson 2 • Service Entrance and Metering

Covers overhead and underground service installation, meter bases, and service sizing. The service entrance is the starting point of every residential system.

Lesson 3 • Residential Load Calculations

Applies standard and optional calculation methods to size residential services and feeders. Accurate electrical load calculations prevent undersized services and nuisance tripping.

Lesson 4 • Rough-In, Trim-Out, and Inspection

Sequences the rough-in and trim-out phases and prepares students for inspection readiness. Understanding inspection criteria reduces costly rework on job sites.

Lesson 1 • Exit, Emergency, and Life Safety Systems

Covers exit lighting, emergency power, and fire alarm system wiring requirements. Life safety systems require dedicated circuits and specific installation practices.

Lesson 2 • Commercial Wiring Methods

Identifies conduit systems, cable trays, and busway used in commercial construction. Method selection depends on environment, load density, and future flexibility needs.

Lesson 3 • Commercial Service and Distribution

Covers three-phase service entrance, switchboards, and distribution panelboards for commercial buildings. Commercial distribution differs fundamentally from residential single-phase systems.

Lesson 4 • Lighting Systems and Controls

Covers fluorescent, LED, and HID luminaire installation and lighting control systems. Energy-efficient lighting design is a core commercial electrician competency.

Lesson 1 • Motor Branch Circuit and Protection

Covers current-carrying conductor sizing, circuit protection, and disconnecting means for motor circuits. Code-compliant motor circuits require specific protection coordination not used in lighting circuits.

Lesson 2 • Variable Frequency Drives and Soft Starters

Covers VFD and soft starter installation, parameter setup, and wiring best practices. These devices are now standard in energy-efficient industrial and commercial motor applications.

Lesson 3 • Control Circuit Wiring and Ladder Diagrams

Reads and draws ladder logic diagrams for start-stop, jog, and interlocking control circuits. Ladder diagrams are the universal language of industrial control wiring.

Lesson 4 • Magnetic Motor Starters and Contactors

Teaches contactor and starter construction, coil wiring, and auxiliary contact use. Starters are the primary switching device in industrial motor control.

Lesson 1 • Transformer Theory and Construction

Explains mutual induction, turns ratio, and transformer construction types. Transformer theory underpins voltage conversion in every distribution system.

Lesson 2 • Transformer Installation and Protection

Covers mounting, clearances, circuit protection, and grounding of distribution transformers. Proper installation ensures safe operation and code compliance.

Lesson 3 • Power Quality and Harmonic Mitigation

Identifies voltage sags, harmonics, and transients and their effects on equipment. Electricians must recognise and correct power quality issues in modern facilities.

Lesson 4 • Transformer Connections and Configurations

Covers delta and wye connections, single-phase and three-phase transformer banks. Correct connection configuration determines secondary voltage and grounding options.