Maintenance Electrician Course

Lesson 1 • Basic Electrical Theory

Covers voltage, current, resistance, and power relationships using Ohm's Law. Establishes the quantitative framework all subsequent electrical work depends on.

Lesson 2 • Electrical Hazard Recognition

Identifies shock, arc flash, and fire hazards present in industrial environments. Connects hazard awareness to the safety practices introduced throughout this chapter.

Lesson 3 • Personal Protective Equipment

Covers selection, inspection, and correct use of PPE for electrical work. Proper PPE use is a prerequisite skill applied in every hands-on chapter.

Lesson 4 • Lockout/Tagout Procedures

Teaches energy isolation methods to protect workers during maintenance tasks. Proper LOTO execution prevents accidental energisation on every job covered in this course.

Lesson 1 • Insulation and Ground Testing

Introduces megohmmeter and ground resistance testing to assess conductor integrity. These tests are essential for preventive maintenance programmes addressed in advanced chapters.

Lesson 2 • Hand and Power Tools

Covers proper selection and safe use of electrician's hand tools and power tools. Tool competency is foundational to every installation and repair task in later chapters.

Lesson 3 • Multimeters and Clamp Meters

Teaches voltage, current, resistance, and continuity measurement using digital meters. Accurate meter readings underpin fault diagnosis covered in later troubleshooting chapters.

Lesson 1 • Conductor Types and Sizing

Covers wire and cable types, insulation ratings, and ampacity tables for proper conductor selection. Correct sizing prevents overheating and is required knowledge for all wiring tasks.

Lesson 2 • Conduit Systems and Bending

Teaches rigid, intermediate, and flexible conduit installation including accurate bending techniques. Conduit work is the primary wiring method in industrial maintenance environments.

Lesson 3 • Cable Tray and Raceway Systems

Introduces cable tray, wireways, and surface raceway installation for large conductor runs. These systems complement conduit methods used in industrial plant layouts.

Lesson 4 • Terminations and Splicing

Covers proper conductor termination at lugs, terminals, and splice connectors. Reliable terminations prevent resistance heating and connection failures in service.

Lesson 1 • Ground Fault and Arc Fault Protection

Covers GFCI, GFPE, and AFCI device operation, testing, and installation requirements. These protective devices reduce electrocution and fire risk in modern electrical systems.

Lesson 2 • Switchgear and Motor Control Centers

Introduces medium-voltage switchgear and MCC construction, racking, and maintenance procedures. These systems distribute power to large industrial loads addressed in later chapters.

Lesson 3 • Panelboard Installation and Maintenance

Teaches panelboard assembly, bus connections, and load balancing for branch circuit distribution. Panel work builds directly on conductor sizing and termination skills from Chapter 3.

Lesson 4 • Fuses and Circuit Breakers

Covers fuse types, breaker trip characteristics, and interrupting ratings for circuit protection. Correct device selection is critical before any distribution work is attempted.

Lesson 1 • Power Quality Fundamentals

Introduces voltage sags, swells, harmonics, and transients as common power quality disturbances. Understanding disturbances enables targeted corrective action in industrial facilities.

Lesson 2 • Transformer Installation and Maintenance

Covers mounting, primary/secondary connections, and scheduled maintenance for dry and liquid transformers. Proper maintenance extends service life and prevents costly failures.

Lesson 3 • Power Factor and Harmonic Correction

Covers capacitor bank installation, harmonic filter design, and power factor improvement strategies. Correction reduces energy costs and protects equipment from thermal stress.

Lesson 4 • Transformer Theory and Construction

Covers electromagnetic induction, turns ratio, and transformer core and winding construction. Theory provides the basis for all transformer testing and maintenance tasks.

Lesson 1 • Variable Frequency Drives

Introduces VFD operating principles, parameter programming, and installation requirements. VFDs are the dominant speed control technology in modern industrial facilities.

Lesson 2 • Control Circuit Wiring and Logic

Covers ladder logic diagrams, control transformer wiring, and interlocking for motor circuits. Control circuit skills enable safe and reliable motor operation in complex systems.

Lesson 3 • Motor Troubleshooting and Testing

Applies test instruments and systematic diagnosis to identify motor and starter faults. Efficient troubleshooting reduces production downtime and repair costs.

Lesson 4 • Motor Starters and Contactors

Teaches full-voltage, reduced-voltage, and soft-starter configurations for motor starting. Starter selection directly affects motor longevity and system power quality.

Lesson 1 • Discrete and Analog I/O Wiring

Teaches field device wiring to PLC input and output terminals for sensors and actuators. Correct I/O wiring is the physical link between the PLC programme and the machine.

Lesson 2 • PLC Hardware and Architecture

Covers CPU, power supply, and I/O module functions within a PLC chassis. Hardware knowledge is required before any wiring or programming task can be performed safely.

Lesson 3 • Ladder Logic Fundamentals

Introduces contacts, coils, timers, and counters as the core elements of ladder logic. These instructions form the basis of every programme read or modified in maintenance work.

Lesson 4 • PLC Programme Monitoring and Editing

Covers online monitoring, forcing I/O, and minor programme edits using programming software. These skills allow maintenance electricians to diagnose faults without stopping production.

Lesson 1 • Vibration Analysis for Electrical Equipment

Introduces vibration measurement and spectrum analysis for motors and rotating machinery. Vibration data predicts bearing and alignment failures before they cause unplanned outages.

Lesson 2 • Preventive Maintenance Programme Design

Covers task identification, interval setting, and work order creation for electrical PM programmes. A structured PM programme is the foundation of all reliability-centred maintenance work.

Lesson 3 • Thermal Imaging and Infrared Inspection

Teaches infrared camera operation and interpretation of thermal anomalies in electrical equipment. Thermal imaging detects loose connections and overloaded components before failure occurs.

Lesson 4 • Reliability Metrics and Continuous Improvement

Introduces MTBF, MTTR, and OEE metrics to evaluate and improve maintenance programme effectiveness. Data-driven improvement closes the loop between maintenance actions and system reliability.