Unit I – Basics of Electrical Safety

• Basic electrical concepts
• Electrical hazards at construction sites
• Electric shock, burns, and electrocution
• Common causes of electrical accidents
• Electrical safety rules

Unit II – Electrical Equipment and Tools

• Safe use of electrical tools and equipment
• Cables, wires, plugs, and sockets
• Portable electrical equipment
• Inspection and maintenance
• Defective equipment identification
• Proper storage and handling

Unit III – Protection Against Electrical Hazards

• Earthing and grounding
• Fuse, MCB, and circuit breakers
• RCCB/ELCB and protection devices
• Electrical isolation
• Lockout/Tagout (LOTO)
• Safe distance from live electrical lines
• Protection from overhead and underground cables

Unit IV – Construction Site Electrical Safety

• Temporary electrical installations
• Distribution boards and panels
• Cable routing and protection
• Electrical work near water and wet areas
• Generator and power supply safety
• Lighting and emergency power
• Housekeeping around electrical installations

Unit V – Safe Electrical Work Practices

• Permit-to-work system
• De-energizing before work
• Testing before touching
• Use of insulated tools and PPE
• Work near live electrical systems
• Electrical inspection and maintenance
• Roles and responsibilities of workers and supervisors

Unit VI – Emergency Response

• Electrical accident response
• Electric shock first aid
• Emergency isolation of power
• Fire caused by electrical faults
• Emergency reporting
• Electrical safety mock drill