Professional Electrician Course
Get the complete technical training you need to work as a professional electrician, from DC circuit theory and NEC code compliance to motors, transformers, and renewable energy systems. This course covers residential, commercial, and industrial installations with the depth employers actually require. Build real, job-ready skills that hold up on any work site.
What you will learn:
You will master electrical fundamentals, including Ohm's Law, AC and DC circuit analysis, and power calculations. You will learn how to select and install conductors, conduit systems, and wiring methods that meet code requirements. The course covers residential service entrances, panelboard wiring, and branch circuit design, as well as commercial distribution and three-phase systems. You will also study motor controls, variable frequency drives, transformers, and standby generators. Blueprint reading, load calculations, and advanced fault diagnostics round out your training so you are prepared for the full scope of professional electrical work.
How you study in practice Professional Electrician Course
How you practice Professional Electrician Course
For companies that want to train their team
With Dedika for Business, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsElectrical Fundamentals and Safety
Electrical Fundamentals and Safety
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 current flows through conductors. Establishes the physical basis for all subsequent electrical concepts.
Lesson 3 • Voltage, Current, and Resistance
Defines the three fundamental electrical quantities and their units. Connects these quantities to real-world circuit behavior 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 5 • Electrical Codes and Standards Overview
Introduces the purpose and structure of national electrical installation standards and inspection processes. Establishes the regulatory framework students must follow throughout training.
Chapter 2HideHide detailsSee detailsDC Circuit Theory and Analysis
DC Circuit Theory and Analysis
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
Analyzes branch currents, common voltage, and equivalent 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 5 • Series Circuit Characteristics
Examines current, voltage drops, and resistance in series circuits. Mastery here is prerequisite for understanding more complex circuit configurations.
Chapter 3HideHide detailsSee detailsAC Circuit Theory and Power
AC Circuit Theory and Power
Lesson 1 • Capacitance and Capacitive Reactance
Covers capacitor behavior, capacitive reactance, and leading current phase. Prepares students for power factor correction and filter circuit applications.
Lesson 2 • Inductance and Inductive Reactance
Explains how inductors oppose current change and create reactance in AC circuits. Foundational for understanding motors, transformers, and power factor.
Lesson 3 • Impedance and RLC Circuits
Combines 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 5 • AC Waveform Fundamentals
Defines frequency, period, amplitude, and RMS values of sinusoidal waveforms. These parameters appear in every AC calculation and equipment specification.
Chapter 4HideHide detailsSee detailsWiring Methods and Materials
Wiring Methods and Materials
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, grounding, and future wire pulling.
Lesson 3 • Grounding and Bonding Fundamentals
Distinguishes grounding from 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 conductor sizing prevents overheating and code violations.
Lesson 5 • Boxes, Fittings, and Fill Calculations
Teaches box selection, mounting, and conductor fill calculations to prevent overcrowding. Proper box fill is a fundamental code compliance requirement.
Chapter 5HideHide detailsSee detailsResidential Electrical Systems
Residential Electrical Systems
Lesson 1 • Panelboard Installation and Circuits
Teaches load center selection, breaker installation, and circuit directory labeling. Proper panel wiring ensures safe overcurrent 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 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 5 • Branch Circuit Wiring and Devices
Covers general-purpose, small-appliance, and individual branch circuits with device installation. Students wire outlets, switches, and fixtures to code specifications.
Chapter 6HideHide detailsSee detailsCommercial Electrical Systems
Commercial Electrical Systems
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 5 • Commercial Load Calculations
Applies demand factors and feeder calculations for lighting, receptacles, and HVAC loads. Accurate commercial calculations prevent costly service upgrades after occupancy.
Chapter 7HideHide detailsSee detailsMotors, Controls, and Industrial Systems
Motors, Controls, and Industrial Systems
Lesson 1 • Motor Branch Circuit and Protection
Covers conductor sizing, overcurrent 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 5 • AC Motor Theory and Types
Explains induction motor operation, nameplate data, and motor classifications. Understanding motor theory is essential before selecting protection and control devices.
Chapter 8HideHide detailsSee detailsTransformers, Generators, and Power Quality
Transformers, Generators, and Power Quality
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, overcurrent 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 recognize 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.
Lesson 5 • Generators and Standby Power Systems
Covers generator types, automatic transfer switches, and paralleling requirements. Standby power systems are critical for hospitals, data centers, and emergency facilities.
Your valid completion certificate
This course is for you:
Career changers: seeking a skilled trade with strong long-term employment demand.
Construction workers: ready to specialize and increase their earning potential significantly.
Vocational students: building technical knowledge before entering a formal apprenticeship program.
Homeowners: wanting to understand electrical systems well beyond basic DIY repairs.
Military veterans: translating hands-on discipline into a structured civilian trade career.
Maintenance technicians: expanding their electrical knowledge to handle more complex facility work.
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