Building Electrician Course

Lesson 1 • Basic Electrical Theory

Covers Ohm's Law, Kirchhoff's laws, and AC/DC principles. Provides the theoretical foundation required for all subsequent wiring and circuit work.

Lesson 2 • Lockout/Tagout Procedures

Teaches energy isolation steps to de-energize equipment safely. Directly supports safe work practices required before any installation or maintenance task.

Lesson 3 • Electrical Codes and Standards Overview

Introduces the purpose and structure of national electrical installation standards. Establishes the regulatory framework that students apply in every subsequent chapter.

Lesson 4 • Electrical Hazards and Risk Assessment

Identifies shock, arc flash, and fire risks in electrical environments. Connects hazard recognition to the safety practices used throughout the course.

Lesson 1 • Conductors and Cable Types

Explains wire gauges, insulation ratings, and common cable assemblies. Correct conductor selection ensures safe current-carrying capacity and code compliance.

Lesson 2 • Hand Tools for Electricians

Covers selection, use, and maintenance of pliers, screwdrivers, and wire strippers. Proper tool use reduces injury risk and improves installation quality.

Lesson 3 • Power Tools and Measuring Instruments

Teaches safe operation of drills, saws, and conduit benders alongside meters and testers. Accurate measurement is essential for code-compliant installations.

Lesson 4 • Boxes, Enclosures, and Supports

Covers outlet, junction, and pull box selection plus support spacing requirements. Proper enclosure use protects connections and satisfies inspection requirements.

Lesson 1 • PVC and Flexible Conduit Installation

Covers PVC cementing, expansion loops, and flexible conduit connections. Students apply correct methods for wet, corrosive, and vibration-prone locations.

Lesson 2 • Conduit Bending Principles

Explains take-up, gain, and deduct values for accurate bends. Understanding these principles prevents costly material waste and rework on the job.

Lesson 3 • Wire Pulling and Raceway Completion

Addresses conductor fill limits, pulling lubricant use, and pull tension management. Completing the raceway correctly protects insulation and ensures reliable circuits.

Lesson 4 • EMT and Rigid Conduit Installation

Teaches cutting, reaming, threading, and securing metal conduit to structure. Proper installation ensures mechanical protection and a continuous equipment ground.

Lesson 1 • GFCI, AFCI, and Surge Protection

Covers required locations, installation, and testing of GFCI and AFCI devices. These protection technologies are mandatory in modern residential construction.

Lesson 2 • Branch Circuit Wiring

Covers general lighting, small appliance, and dedicated circuits using NM cable. Students apply box fill, wire routing, and stapling rules throughout the home.

Lesson 3 • Residential Load Centres and Panels

Teaches panel selection, bus bar layout, breaker installation, and neutral/earth separation. Correct panel wiring is essential for safe overcurrent protection.

Lesson 4 • Service Entrance and Meter Installation

Covers overhead and underground service conductors, meter bases, and service disconnects. The service entrance is the starting point for all residential power distribution.

Lesson 1 • Commercial Branch Circuit Installation

Addresses conduit-based branch circuits for lighting, receptacles, and HVAC equipment. Students apply raceway skills from Chapter 3 in a commercial context.

Lesson 2 • Emergency and Standby Power Systems

Explains legally required standby and emergency system classifications and wiring rules. Separate wiring paths and transfer equipment protect critical loads during outages.

Lesson 3 • Commercial Load Calculations

Teaches general lighting loads, receptacle loads, and demand factor application. Accurate load calculations determine feeder and service sizes for commercial projects.

Lesson 4 • Commercial Earthing and Bonding

Covers separately derived systems, structural steel bonding, and telecommunications earthing. Commercial bonding requirements exceed residential scope and demand careful planning.

Lesson 1 • Transformer Testing and Commissioning

Covers insulation resistance, turns ratio, and polarity tests before energisation. Commissioning tests confirm correct installation and prevent equipment damage at startup.

Lesson 2 • Transformer Installation and Protection

Addresses mounting, ventilation, clearances, and overcurrent protection sizing. Proper installation protects the transformer and ensures reliable service to downstream loads.

Lesson 3 • Transformer Principles and Types

Explains electromagnetic induction, turns ratio, and transformer classifications. Understanding transformer theory enables correct selection for any distribution application.

Lesson 4 • Separately Derived System Earthing

Teaches earthing electrode conductor sizing and system bonding for transformer secondaries. Correct earthing of derived systems limits voltage to earth and ensures fault clearing.

Lesson 1 • Motor Starters and Overload Protection

Teaches magnetic starter selection, overload relay sizing, and contactor wiring. Overload protection prevents motor burnout under sustained overcurrent conditions.

Lesson 2 • Motor Branch Circuit Wiring

Covers conductor sizing, overcurrent protection, and disconnecting means for motor circuits. Correct sizing prevents nuisance trips while protecting conductors from overload.

Lesson 3 • Motor Theory and Nameplate Data

Explains motor operating principles, efficiency classes, and nameplate interpretation. Nameplate data drives every sizing decision for conductors, overcurrent, and overload protection.

Lesson 4 • Variable Frequency Drives

Covers VFD operating principles, installation requirements, and parameter configuration. VFDs improve energy efficiency and motor control in modern industrial facilities.

Lesson 1 • Motor and Control Circuit Testing

Teaches continuity, insulation, and rotation tests for motors and control circuits. Accurate motor testing prevents unnecessary replacement and confirms repair quality.

Lesson 2 • Test Instrument Operation

Covers multimeter, megohmmeter, clamp meter, and power quality analyser use. Correct instrument selection and technique produce reliable data for accurate diagnosis.

Lesson 3 • Circuit Fault Diagnosis

Addresses open, short, and earth fault identification in branch circuits and feeders. Students apply test instruments and diagrams to locate faults efficiently.

Lesson 4 • Troubleshooting Methodology

Introduces a structured fault-finding process using symptom analysis and elimination. A repeatable method reduces diagnostic time and prevents misdiagnosis on complex systems.