INTRODUCTION TO SAFETY OPERATION AND MAINTENANCE OF ELECTRICAL INSTALLATION

This “Safety Operation and Maintenance of Electrical Installation Training” will provide the participants with the sound knowledge and skills required in understanding the fundamentals of electrical problems, and safety in their daily job functions in line with OSHA requirements.

PROGRAM OBJECTIVES

To enhance knowledge and skills in the following areas.

• Fundamentals of electricity.
• Electricity and its danger.
• Understanding electric shocks and electric burns.
• Knowing the electrical safety model.
• Ways to recognize hazards.
• Understand risk evaluation.
• Knowing a safe working environment.
• Working on live circuits.
• Low Voltages
• High Voltages
• Electrical grounding
• Lightning arresters
• Safe work practices.
• Block schematics diagram reading
• Circuit schematics diagram reading
• Trouble shooting electrical circuits
• Electrical test equipment measures and utilization
• Thorough understanding of electrical safety practices and procedures.
• Scheduled Maintenance.
• Inspection, testing and servicing of equipment should be done on a regular basis — at least once every three years and more often for critical components.

WHO SHOULD ATTEND

Project leaders, Supervisors, Engineers, Technicians and Others

WORKSHOP METHODOLOGY

The training will comprise 70% theory and 30% group discussions with Q&A sessions.

COURSE OUTLINE: 2 DAYS

Day 1: Training Topics                                                                                                                   

Pre Test

Part 1: Malaysia Electrical Standard and Competency.

• Electricity Supply Act 1990 [Act 447]
• Electricity Regulations Amendments 2014

Part 2: Installation

• Registration of Installation
• Licence for Installation
• Supervision and Tested Installation
• Material, Equipment and Method of Installation
  • Apparatus, conductor, accessory, etc.
  • Switch, switch fuse, fuse switch, circuit breaker, contactor, fuse, etc
  • Generator, motor, transformer, etc.
  • Means of isolation.
• Installation of Switchboard
  • Arrangement of switchboard in general.
  • Working on a switchboard.
  • Switchboard operating at high or extra high voltage.
• Underground Supply Line
• Installation of Electric Sign
  • Electric sign.
  • Fireman’s switch, notice and transformer.
  • Steps to be taken by owner or management.
• Other Installations
• Earthing of Installation
  • Earthing of metallic part, neutral point, etc.
  • Method of earthing.
  • Protection against earth leakage current.
• General Requirements of Installation
  • Room for switchboard or equipment.
  • Notice.
  • Instructions for treatment of electric shock.
  • Fire extinguishers.
• Installation of Aerial Line

Part 3: Operation

• Examination of Competent Person
  • Requirement for Certificate of Competency.
  • Application for examination.
  • Eligibility to become Electrical Services Engineer.
  • Eligibility to become Competent Electrical Engineer.
  • Eligibility to become Electrical Supervisor.
  • Eligibility to become Chargeman.
  • Eligibility to become Wireman.
  • Eligibility to become Cable Jointer.
  • Temporary registration of foreign person.
  • The medical evidence of fitness.
  • Fee for examination, endorsement and replacement of Certificate of Competency.
  • Restriction or endorsement of Certificate of Competency.
  • Form of Certificate of Competency.
  • Surrender of Certificate of Competency issued under any other written law.
  • Lost or damaged Certificate of Competency.
  • Suspension and revocation of Certificate of Competency.
• Competent Person
  • Competent person.
  • A competent person is responsible for a public installation.
  • A competent person on each shift.
  • Registration of competent person.
  • Competent person to connect switchboard, equipment, etc.
  • Competent persons to submit plans, drawings and specifications.
• Regular Inspection by Competent Person
  • Installation is to be visited and inspected by a competent person.
  • Competent person and frequency of visit and inspection.
  • Duty of Engineer or Supervisor to inspect and report.
  • Commission to determine the number of visits.
  • Duty to inform and to make good defects.
• Registration of Electrical Services Contractor
• Registration of Electrical Contractor
• Registration of Private Wiring Unit
• Registration of Electric Sign Contractor
• Registration of Electrical Repair Contractor
• Registration of Switchboard Manufacturer
• Approval of Equipment
  • Certificate of Approval of equipment.
  • Marking or labelling of approved equipment.
  • Samples of equipment to be delivered to Commission.
  • Test and modification before approval.
  • Submission for test and seizure of dangerous equipment.
  • Renewal, Transfer, Cancellation, Removal and Reinstatement

Part 4: Maintenance

• Maintenance of Installations
  • Inspection and test for the purpose of maintenance of the installation.
  • Competent person to undertake maintenance work.
  • Adequate safety precautions are to be taken during work.
  • Competent person to issue written instructions.
• Electrical Equipment safety requirement- ELCB, MCB, RCCB
  • Safety features
  • Common failures
  • Inspection and Defect confirmation
  • Troubleshoot
• Magnetic Field Effects – Electrical Failure and Equipment Performance.
  • Harmonics
  • Resonance
  • Noise from magnetic field effect.
• Electrical equipment efficiency
  • Load
  • Power factor.
  • Electrical efficiency cost.
  • Energy efficiency
  • Utilities
  • Power output
  • Total electrical power consumed
  • Efficiency: Measurement
  • Useful output vs Total output
  • Formula: r = P/C

Part 5: Miscellaneous

• Authorized officer’s identity card.
• Special order by Commission.
• Prohibition of use of equipment dangerous to health.
• Summons to assessor and witness.
• Fees are payable to the Commission.
• Licensee or supply authority to keep records.
• Fee for a copy of a report.
• Transitional and saving provisions.

1. Electricity and Its Danger

• Electrical Terminologies: Power distribution panel, 115/230/415, ELCB, Fuse, Overload, Trip, Circuit breaker, EMF, Short, Open, High R, Burnt, Broken, Grounding, Earth, Leakage I, Surge I, Impedance, Resistance, Power bump,
• MCB and RCCB functions and common failures.
• Troubleshooting approach
• Demonstrate Electrical Safety: Personal and Equipment Safety
• What causes an electrical shock?
• Electricity: Accidents and Injuries
• Exercise 2: Electrical First Aid Kit

2. Electrical Shock

• The severity of electrical shocks
• Effects of Electrical Current on the Body
• First Aid
• Handling CPR and electrical burns
• Exercise 3: Removing a person from point of electrical contact and shock to safety.

3. Electrical Burns

• Common injuries?
• Arc Blast Hazards
• Electrical fires
• Dos and Don’ts…?
• First aids
• Exercise 4: Why the electrical hazards happen?

4. The Electrical Safety Model

• Prevention – To Be Safe?
• Recognizing hazards
• Risks and Evaluating Risks
• Control hazards
• Exercise 5: Discuss the best fit electrical model for your workplace

5. Recognizing Hazards

• How do you recognize hazards?
• 5S at workplace
• Wiring: Ducts and Conduits, Dressing, Adequacy, Stress, Colour codes
• Exposed electrical parts: Safety
• Electrical Boundaries
• Power lines
• Insulations
• Grounding
• Overloads
• Wet and dry conditions
• Exercise 6: Plant tour. Observe and take note of electrical dangers and hazards in your workplace. Plot an SPC chart or graph.

6. Evaluate Risk

• How Do You Evaluate Electrical Risk? Prepare a checklist
• Conditions that point to electrical hazards: Risks analysis

7. Safe Working Environments

• How Do You Control Electrical Hazards?
• How Do You Create a Safe Work Environment?
• Lock Out and Tag Out Circuits and Equipment
• Control Inadequate Wiring Hazards
• Control Hazards of Fixed Wiring
• Control Hazards of Flexible Wiring
• Use the Right Extension Cord
• Control Hazards of Exposed Live Electrical Parts
• Control hazards of shocking currents
• Control Overload Current Hazards
• Lightning and Lightning arresters
• Exercise 1: Safe working environment – “Safety has no compromise”, discus.

Day 2: Training Topics

8. How to work on Live Circuits

• Safety
• PPE (Personal Protective Equipment)
• Electrical equipment and testers
• Circuit diagrams / Engineering drawings
• Safety man: First Aid knowledge and skills
• Exercise 1: How to use AVO Meter to measure A/V/O

9. Working on live circuits.

• When You Must Work on or Near Live Circuits
• Live-work permit system
• Safe Work Practices
• Low Voltages
• High Voltages
• Electrical grounding
• Earth stick
• Lightning arresters
• Exercise 2: Explain how a short circuit event takes place in a live electrical circuit.

10. Electrical Preventive Maintenance

• What is PM? Types of PM? Why PM?
• Machinery / Equipment in operation
• Inspection, testing and servicing of 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 Panels, Generators, No break supply, Battery banks
• Preventive Maintenance /Predictive Maintenance/Productive Maintenance
• Planned and Unplanned Maintenance
• Schedule Preventive Maintenance
• SOP: Standard Operating Procedures
• Use and Maintain Tools Properly
• Essential Tools: Shadow boards
• Safety: Lock Out Tag Out – LOTO working principles
• Essential spares
• Warranty claims
• Spare parts inventory management
• Importance of a Safety man
• Workplace Ethics and Moral Duties
• Exercise 3: Plan preventive maintenance for your workplace electrical equipment or a machine in operation.

14. Troubleshooting

• Block and Circuit diagrams reading and interpreting.
• Power Supply 3 Phase: Electrical block and circuit schematics diagram reading
• Power distribution: Sub-station to plant
• Electrical diagram: Plant power distribution
• Standby supply: Generator: Circuit schematics diagram reading
• Standby supply: Battery banks:
• Troubleshooting electrical circuits: Low Voltage (LV) and Medium Voltage (MV)
• Electrical test equipment measures and utilization
• Problems and Faults Diagnosis
• Split half techniques
• I and V measurements
• Resistance meters
• SPC Control Charts and Graphs
• Reports and Documentation
• Exercise 4: Discuss all aspects of safe work practices and the risks involved if not followed.

11. Conclusion

• Training summary
• Post Test
• Training evaluation
• Q&A

Training duration: 2 days (9 am – 5 pm)

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