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Professional Electricity Training
More than 2 million students worldwide

Professional Electricity Training

Get the hands-on electrical training that takes you from basic theory to real-world installations. This course covers everything from DC circuits and AC waveforms to transformers, motor controls, and code compliance. Whether you're entering the trade or developing your skills, this programme gives you the technical knowledge employers demand.

Dedika for businesses

What you'll learn:

You will build a solid foundation in electrical theory, including Ohm's Law, AC and DC circuit analysis, and transformer operation. You will learn how to select conductors, install raceway systems, and size overcurrent protection devices correctly. The course covers three-phase power systems, motor starting methods, and variable frequency drives. You will also study GFCI and AFCI protection, distribution board installation, and service entrance requirements. Troubleshooting methods, test instrument use, and commissioning procedures are included so you can diagnose and fix real electrical problems. Supplementary topics cover renewable energy systems, building automation, project estimating, and workplace safety leadership.

How you study in practice Professional Electricity Training

How you practise Professional Electricity Training

For businesses looking to train their team

With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.

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Course content

8 Chapters • 40 LessonsDuration between 4 and 360 hours (you decide)

Chapter 1See details

Electrical Fundamentals and Safety Basics

  • Lesson 1 • Voltage, Current, and Resistance

    Defines the three fundamental electrical quantities and their units. Connects measurable quantities to real circuit behaviour.

  • Lesson 2 • Electrical Hazards and Shock Prevention

    Identifies shock, arc flash, and fire hazards and their physiological effects. Grounds all lab and field work in safety-first thinking.

  • Lesson 3 • Ohm's Law and Basic Calculations

    Applies Ohm's Law to solve for unknown circuit values. Provides the calculation skills needed for all circuit analysis chapters.

  • Lesson 4 • Atomic Theory and Electron Flow

    Covers atomic structure, free electrons, and how current is produced. Establishes the physical basis for all subsequent electrical concepts.

  • Lesson 5 • Earthing and Bonding Principles

    Explains system earthing, equipment earthing, and bonding requirements. Ensures safe fault-current paths in every installation covered later.

Chapter 2See details

DC Circuit Analysis

  • Lesson 1 • Series-Parallel Combination Circuits

    Solves circuits containing both series and parallel elements using systematic reduction. Develops the analytical discipline required for real-world wiring systems.

  • Lesson 2 • Series Circuit Characteristics

    Examines current, voltage drops, and total resistance in series circuits. Builds the analytical framework extended to parallel and combination circuits.

  • Lesson 3 • Parallel Circuit Characteristics

    Analyses branch currents, common voltage, and equivalent resistance in parallel circuits. Prepares students for combination-circuit problem solving.

  • Lesson 4 • Power and Energy in DC Circuits

    Calculates power dissipation and energy consumption using Watt's Law. Links electrical calculations to equipment ratings and energy costs.

  • Lesson 5 • DC Circuit Measurement Techniques

    Demonstrates proper use of multimeters and ammeters in DC circuits. Reinforces theoretical analysis with hands-on measurement skills.

Chapter 3See details

AC Theory and Waveform Analysis

  • Lesson 1 • Inductance and Inductive Reactance

    Explains how inductors oppose changes in current and create reactance. Connects electromagnetic principles to AC circuit impedance calculations.

  • Lesson 2 • Capacitance and Capacitive Reactance

    Covers capacitor operation, charge storage, and capacitive reactance in AC circuits. Prepares students for power factor correction and filter design.

  • Lesson 3 • Impedance and Series AC Circuits

    Combines resistance, inductive reactance, and capacitive reactance into impedance. Enables complete AC circuit analysis using phasor methods.

  • Lesson 4 • AC Waveform Fundamentals

    Describes sinusoidal waveforms, frequency, period, and amplitude. Establishes the vocabulary and maths used throughout AC circuit analysis.

  • Lesson 5 • Power Factor and AC Power

    Distinguishes true, reactive, and apparent power and calculates power factor. Directly supports load analysis and power factor correction work.

Chapter 4See details

Electrical Wiring Methods and Materials

  • Lesson 1 • Cable Assemblies and Wiring Devices

    Reviews NM, MC, AC, and service-entrance cable types and their permitted uses. Connects material knowledge to practical rough-in and finish wiring tasks.

  • Lesson 2 • Splicing, Terminating, and Connecting

    Demonstrates correct splicing techniques and terminal torque requirements. Ensures reliable, low-resistance connections that prevent failures in service.

  • Lesson 3 • Raceway and Conduit Systems

    Examines rigid, flexible, and non-metallic conduit types and their applications. Prepares students to select and install raceways in varied environments.

  • Lesson 4 • Conductor Types and Sizing

    Covers wire materials, insulation ratings, and ampacity tables for conductor selection. Ensures safe, code-compliant conductor choices in all installations.

  • Lesson 5 • Box Fill and Device Installation

    Calculates box fill requirements and demonstrates proper device mounting. Prevents overcrowding and overheating in outlet and junction boxes.

Chapter 5See details

Electrical Distribution and Overcurrent Protection

  • Lesson 1 • Branch Circuit and Feeder Design

    Applies load calculations to size branch circuits and feeders correctly. Links distribution design to conductor sizing and overcurrent protection rules.

  • Lesson 2 • Service Entrance and Metering

    Covers service drop, service lateral, meter socket, and main disconnect requirements. Establishes the starting point of every building's electrical distribution system.

  • Lesson 3 • Circuit Breakers and Fuses

    Compares thermal-magnetic breakers, electronic trip units, and fuse types. Enables correct overcurrent device selection for any load and fault condition.

  • Lesson 4 • GFCI and AFCI Protection

    Explains ground fault and arc fault circuit interrupter operation and required locations. Ensures students apply modern shock and fire protection in all installations.

  • Lesson 5 • Distribution Boards and Load Centres

    Explains distribution board construction, bus ratings, and branch circuit arrangement. Prepares students to install and troubleshoot residential and commercial panels.

Chapter 6See details

Transformers and Power Systems

  • Lesson 1 • Transformer Theory and Construction

    Explains mutual induction, turns ratio, and core construction in power transformers. Establishes the theoretical foundation for all transformer application topics.

  • Lesson 2 • Three-Phase Power Calculations

    Applies three-phase power formulas to balanced and unbalanced load scenarios. Connects transformer sizing to real load demands in commercial and industrial facilities.

  • Lesson 3 • Three-Phase Transformer Configurations

    Analyses delta and wye primary and secondary connections and their voltage relationships. Enables students to work with industrial three-phase distribution systems.

  • Lesson 4 • Single-Phase Transformer Connections

    Covers additive and subtractive polarity, series-parallel connections, and autotransformers. Prepares students for residential and light-commercial transformer work.

  • Lesson 5 • Power Quality and Harmonics

    Identifies harmonic distortion sources, effects, and mitigation strategies in power systems. Prepares students to diagnose and correct power quality problems in the field.

Chapter 7See details

Electric Motors and Motor Controls

  • Lesson 1 • Motor Protection and Troubleshooting

    Applies overload relay sizing, thermal protection, and fault diagnosis to motor systems. Equips students to restore motor operation safely and efficiently.

  • Lesson 2 • Motor Control Circuits and Diagrams

    Reads and draws ladder diagrams for start-stop, reversing, and jogging circuits. Develops the schematic literacy required for industrial control work.

  • Lesson 3 • AC Motor Principles and Types

    Covers rotating magnetic fields, slip, and the construction of induction and synchronous motors. Provides the theory base for motor selection and troubleshooting.

  • Lesson 4 • DC Motor Types and Operation

    Examines series, shunt, compound, and permanent-magnet DC motors and their torque-speed characteristics. Prepares students for DC drive and control applications.

  • Lesson 5 • Motor Starting and Speed Control

    Compares across-the-line, reduced-voltage, and variable-frequency drive starting methods. Enables proper starting method selection based on load and supply constraints.

Chapter 8See details

Electrical Troubleshooting and System Testing

  • Lesson 1 • Commissioning and Acceptance Testing

    Performs pre-energisation checks, insulation tests, and functional verification on new installations. Ensures systems meet design specifications before being placed in service.

  • Lesson 2 • Motor and Control System Diagnostics

    Diagnoses motor winding faults, control circuit failures, and drive alarms systematically. Builds on motor theory to enable rapid, accurate fault isolation.

  • Lesson 3 • Test Instruments and Their Use

    Covers multimeters, clamp meters, megohmmeters, and power analysers for field diagnostics. Ensures accurate, safe instrument use across all testing scenarios.

  • Lesson 4 • Troubleshooting Methodology

    Introduces a structured fault-isolation process using symptom analysis and logical elimination. Provides a repeatable framework applicable to any electrical system.

  • Lesson 5 • Wiring and Connection Fault Diagnosis

    Locates open circuits, short circuits, and high-resistance connections using systematic testing. Directly applies measurement skills to the most common field failures.

Certification

Your valid completion certificate

This course is for you:

  • Apprentice electricians: seeking deeper theory to support on-the-job training.

  • Maintenance technicians: needing structured electrical knowledge to advance their careers.

  • Construction workers: looking to transition into the electrical trade professionally.

  • Facility managers: wanting to understand the systems they oversee and maintain.

  • Homeowners and DIYers: serious about tackling complex electrical projects safely.

  • Career changers: drawn to a skilled trade with strong long-term job demand.

What our students say

Your lessons are perfect. I purchased the one-year package and finally have the opportunity to follow various topics of interest without needing to change platforms... I'm grateful for everything you do, I've already recommended you to other people...
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Giulio CarloDigital Marketing Student
I like how the lessons are straight to the point and how I can change chapters and skip content I don't need.
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Mariana FerresPhotography Student
I like the content and the way videos are presented and transcribed, which speeds up the process!
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Luciana AlvarengaNail Design Student
The platform is fast and simple to use. The diversity of content and complementary videos really help with learning.
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André FelipePrompt Engineering Student

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