| Case Studies of Electrical Accidents
| | Location / Installation | Incidence | Remarks |
| A. residence or shop | 1). House-person gets electrocuted by touching live immersion heater. | - Lack of awareness
- Unsafe appliance
- Precautions by-passed
- Careless use
- Unsafe exposed appliance
- Defective appliance
- Not earthed
- Improper installation
- Sparking in loose connection and surrounding inflammable material.
- Overheating of conductor and burning of insulation |
B. Electrical Installations
- Substations
- Generating stations
- Transmission lines
- Underground cable
- Electrical loads
- Industrial works | - Direct contact with live conductor
- Direct contact with faulty structure/body
- Explosion due to fault
- Electrical fires
- Accidents in plants and machines
- Encroaching in safety zone. | - Persons not aware
- Persons not trained
- Person careless
- Failure of Safety Management
- Faulty equipment
- Unsafe installation
- Poor section
-Poor maintenance
- Safety-by-passed
- Protection inadequate
- Security inadequate, etc. |
C. Electric Traction
- Overhead conductors
- Electrical equipment | - Touching live conductors
-Faulty equipment/installation
- Points as per “B above
- Accidents with moving rotating equipment | - Persons not aware
- Persons not trained
- Poor erection
- Safety erection
- Equipment old and defective
- Electrical interlocks failed |
| D. Electrical. Oil- filled/gas- filled equipment, main/auxiliary system | - Fires
- Explosions
- Flashovers | - Sparks
- Faults
- Inadequate protection
- Insulation failure
- Loose connection
- Cracks, leakage
- Inadequate safety checks |
E. Industries and Electrical Installations Activities
- Manufacture
- Handling
- Testing
- Transport
- Storage
- Erection
- Commissioning
- Operation and maintenance
- After expiry of life period | Hazard
- Fires
- Electric shocks
- Arcing faults
- Electric shocks
- Electric deaths
- Explosions
- Falling of persons
- Falling of objects | Remakes, Precautions, Preventions
- Follow safety rules
- Follow safety precautions
- Train personnel in safety
- Adopt safety management practices.
- Install lire protection and prevention.
- Install protection system
- Install security system.
- Replace defective equipment installation.
- Ensure proper earthing.
- Conduct safety inspection and safety audit periodically.
- Place danger board, fences, ropes etc.
- Install first aid, and arrange hospital facilities. |
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