Electrical System Safety: Hazards and Safeguards Course

Course Overview:

The course is designed such that it provides a good knowledge about hazards, electrical safety standards and regulations with a goal to work with both energized as well as de-energised systems in a safe manner.

The course also explains in detail various other concepts such as power system hazards, personal protective equipment, grounding techniques, isolation and switching, as well as lockout/tagout. Plans for the maintenance of various electrical power systems including safety gears, transformers and cables are balanced with hazard assessments and safety plans which are included in this course. 

Any safety professional together with industrial and commercial electrical maintenance personnel, supervisors and engineers will find this course of great assistance as it provides enough knowledge and tools required to enhance safety and minimize risks.

Course Objectives:

 By the end of the training, participants will be able to:

• Explain the electrical safety standards and regulations including voltages
• Understand the hazards of electricity at the power system supply level
• Review the principles, governmental regulations, work practices, and specialized equipment relating to electrical safety

Who Should Attend?

This course is valuable for those Industrial and commercial electrical maintenance personnel, engineers, supervisors, and safety personnel who work on or near energized and de-energized electrical equipment and systems, and other personnel classified as "Qualified".

Course Outlines:

Understand the Law and Regulations Applying for Electrical Work

• Occupational Health & Safety Act
• Electrical Utility Safety Association
• Internal Safety Rules & Regulations

Power System Hazards

Power System Faults

Facts and Figures:

• Major Causes: Act of God, Human or Operator Error, Equipment Breakdown
• Short Circuits
• Overloads
• Fires
• Electrocution
• Important Definitions
• Short Circuit Analysis
• Flash Hazard Analysis
• Incident Energy and Flash Barrier Distances

Understand When the use and How to Select the Proper Personal Protective Equipment

• Introduction
• Personal Body Protective Equipment
• Testing and Grounding
• Live Line Tools
• Glasses
• Gloves & Rubber Equipment
• Clothes
• Boots
• Head Protection

Temporary Grounding

• Introduction
• Purpose
• Work Methods

Hazards of Isolated Equipment

• Induction
• Accidental Energization
• Wind
• Lightning
• Grounding Equipment for Overhead Lines - General
• Adequate Capacitance Clamps
• Adequate Capacity Cables
• Overhead Grounding Sets
• Installation of Temporary Grounds

Potential Indicating Devices

• Introduction
• Purpose
• Potential Indicators: Volt Meters, Clip-on Ammeter, Clip-on Watt Meter, Phase Rotator, Preparation of Temporary

• Grounding

Isolation and Switching Procedures

• Introduction
• Self-Protection
• Work Protection Guarantees
• Work Permit
• Work and Test Permit

Switching Practices

Lockout Procedures

• Individual Lockout
• Lock Box Method
• Sign-In Method
• Removal of a Personal Safety Lock

Understand the Risks around Energized Equipment

• Ground Grid, Step & Touch Potentials
• Equipment Failure

Understand Your System, Know Your System

• Single Line Diagram
• Maintain Good System Nomenclature
• Protection & Control System
• Equipment Types & Operation
• Maintenance Records

Develop a Job Specific Safety Plan

• Hazard Assessments
• Switching Plans
• Lockout & Tag Out systems
• Test Plans/Tailboard Meetings

Safe Operation and Maintenance Procedures

Electrical Power Systems

• Importance of accurate drawings
• Transformer Operation and Maintenance Safety
• Maintenance Testing Safety practices
• Switchgear Operation and Maintenance Safety
• Grounding Practices and Principals
• Safety in Maintenance Testing
• Operating HV and MV Breakers and Switches
• Electrical System Safety
• Control systems, CTs, and PTs
• Capacitors and Reactors
• Power Cables