These 2 days Electrical Installation and Protection System Training (Electrical Wiring and Maintenance) is a unique course designed to train and educate trainees to be absorbed into various electrical maintenance, operation and management roles. Also provide a complete exposure and guidance to trainees in the field of electrical and electricity fundamentals. The concept of this program is to offer emphasis on practical training and focus on electrical installation and maintenance.



To enhance knowledge and skills in the following areas.

  • Know all about the construction and installation of electrical wiring and the permanent attachment or installation of electrical products.
  • Understand the construction and installation of a Switch Board / Power Distribution Panel.
  • Practice safe working methods on electrical systems
  • Understand the relevant regulative requirements
  • Demonstrate an understanding of electrical principles and units
  • Identify a wide range of electrical equipment & devices and understand their principles of operation /connections
  • Understand the principles of earthing / protection and associated protective devices
  • Demonstrate an understanding of electrical systems, switchgear and circuit types
  • Diagnose basic faults and recognise their associated symptoms
  • Work with a range of cable types and carry out correct terminations and connections
  • Recognise the most common industrial motor types and understand their operation, connections and maintenance requirements
  • Use electrical test equipment effectively and carry out testing of a range of motors, solenoids, cables, etc. (using insulation, continuity, tong testers, etc.)
  • Identify power circuit faults
  • Use circuit diagrams as an aid to maintenance
  • Access electrical enclosures and replace fuses, reset overloads etc
  • Perform electrical isolation, testing for dead, etc on a wide range of devices and circuits safely.
  • Know LOTO – Safety maintenance



Employees working with electrical equipment and Facility technicians working with electrical single
phase and three phase TNB supply and Generator supply.



The training will comprise 70% theory with 20% group breakout exercises and 10% case studies with
selected video presentation.



2 days (9am – 5pm)



Day 1: Training Topics

  1. Pre Test
  2. Breakout Session: Case Study 1
    • What are the main problems and failures you encounter when you work on electrical installations and Power Distribution Panel?
  1. Electricity Fundamentals
    • ELCB, Interlocks, Circuit breakers, Surge protector, Power distribution panel, Control panel, Single phase, 3 phase, Fuse, Isolator, Power on/off switch, Emergency off switch
    • Electrical components: Fuse, Circuit breakers, Motors, Sensors and Switches, Transduces
    • Defects in electrical components
    • Repairing defective components.
    • Voltages – DC and AC / Single and Three phase supply
    • Introduction to Electrical Safety
    • Electrical Energy – Voltage, Current, Resistance & Ohm’s Law
  1. Breakout Session: Case Study 2 – TNB power distribution lines and sub power stations in plant perimeter. Which department is responsible to maintain this plant power source and why? Is it electrically safe?
  1. Electricity and Its Danger
    • Introduction
    • Electrical Safety: Personal and Equipment safety
    • What causes an electrical shock?
    • Electricity: Injuries
  1. Breakout Session: Case Study 3 – Why do you need a “Safety Man” when doing preventive maintenance at the power distribution and switch panel? Can a “safety man” be a non electrician? If using LOTO why need safety man?
  1. Electrical Shock
    • Severity of electrical shock
    • Effects of Electrical Current on the Body
    • First Aid
    • Handling CPR and electrical burns
  1. Breakout Session: Case Study 4: Demonstrate how to remove a person from point of electrical contact and shock to safety?
  1. Basic Electrical Principles
    • Single Phase Wiring
    • Single Phase Wiring Maintenance
    • Single Phase Wiring Testing and Commissioning
  1. Design Characteristics
    • Electrical Safety
    • Cable Installation
    • IEC 60364
    • Cable Terminations Hot and Cold Shrinks
    • Wiring Regulations
    • Inspection and Testing
    • Cable Sizing
    • Documentation
  1. Low Voltage Switchboard Installation and Maintenance
    • Electricity Wiring Fundamentals
    • Safety
    • Meters
    • Conductors
    • Switching Circuits
    • Relays and Controls
    • Low Voltage Switching


Day 2: Training Topics

  1. Three Phase Principles
    • Electrical Theory Review
    • Three Phase Systems – Star and Delta
    • Electricity and Wiring

Breakout Session: Case Study 5: Discuss all aspects of “safe work practices and the risks” involved if electrical wiring and maintenance.

  1. Electrical Wiring Maintenance
  • What is Electrical wiring maintenance? Types of Maintenance and Why Maintain?
  • TNB Supply line, Wires, Cables, Meters, Switchboard, Power distribution panel
  • Inspection, testing and servicing of wires, cables, power panels and equipment
  • Power distribution panel and Electrical wiring
  • Power distribution and protection: Circuit breakers and Fuses
  • ELCBs and Fuse ratings
  • Equipment Types: 3 Phase Power Stations, Power Distribution Panel, Generators, No break
  • supply, Battery banks
  • Preventive Maintenance /Predictive Maintenance
  • Planned and Unplanned Maintenance
  • Schedule Preventive Maintenance
  • SOP: Standard Operating Procedures for electrical wiring and maintenance
  • Use and Maintain Tools Properly
  • Essential Tools: Shadow boards
  • Essential spares
  • Warranty claims
  • Spare parts inventory management
  • Importance of a Safety man
  • Workplace ethics and Moral duties
  1. Lock Out / Tag Out Program / Procedure
    • Defining LOTO: Lock Out / Tag Out
    • Authorized and Affected Employees
    • Lock Out / Tag Out: Procedure (SOP)
    • LOTO Safety kits
    • LOTO Checklist preparation
    • Work Permit – Work ticket
  1. Lock Out / Tag Out Shutdown / Normalizing Procedures
  2. Shutdown Procedure – LOTO
    • Step One – Preparation
    • Step Two – Control the Energy Source
    • Step Three – Isolate the Equipment
    • Step Four – Attach the Lock and Tag
    • Step Five – Control Stored Energy
    • Step Six – Verify Zero Energy State
    • Step Seven – Issue Work Permit Normalizing Procedure
  1. Normalizing Procedure – LOTO
    • Step One – Inspection of completed work
    • Step Two – Cancellation of Work Permit
    • Step Three – Remove the Lock and Tag
    • Step Four – Normalize the supply
    • Step Five – Record the work done
  1. Takeaway Action Plans: Prepare task sheet for the next 3 months of work activities.
    • Select the 3 most important activities you like to do.
    • Prioritize based on its importance and need.
    • Prepare a roadmap on all action plans with timeline and person responsible
  1. Conclusion
    • Training summary
    • Post Test – Final Assessment
    • Training evaluation
    • Q&A



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