Page 268 - Computer - 10(A&B)
P. 268
v Electrical Equipment: Overloaded circuits, damaged wires, or faulty electrical appliances can spark and
ignite surrounding flammable substances.
v Chemical Reactions: Some chemicals can react violently with others, producing heat or flames.
Fire Extinguisher
A fire extinguisher is a safety device used to
extinguish small fires or control them. The different
types of fire extinguishers for different classes of fires
are listed below:
v Class A fire extinguishers: Class A fire
extinguishers are used for putting out Class A
fires.The extinguishing agents in Class A fire
extinguishers are water, foam, or dry chemical.
v Class B fire extinguishers: Class B fire
extinguishers are used to put out Class A and
Class B fires.The extinguishing agents in Class B
fire extinguishers are foam, CO (carbon dioxide),
2
or dry chemical.
v Class C fire extinguishers: Class C fire
extinguishers are used to put out Class A, B or C fires as well as electrical fires.The extinguishing agents in
Class C fire extinguishers are CO or dry chemical.
2
v Class D fire extinguishers: Class D fire extinguishers are used for putting out metal fires. The extinguishing
agents in Class D fire extinguishers are special dry powder designed for metal fires.
First Aid for Electrical Emergencies
An electric shock can be life-threatening. In case of an electrical emergency, the first and most important step is
to prioritize your own safety. You should remember some important points while dealing with such situation:
v Avoid touching the victim if they are still in contact with the electrical source.
v Make a safe attempt to turn off the power source.
v Use a non-conductive object like a wooden broom handle to move the victim away from the electricity.
v Check for breathing and pulse; if they are not breathing, begin CPR immediately.
v Cover any burns with a clean, dry cloth and call emergency medical services right away.
Electrical Rescue Techniques
In the event of electrical incidents, electrical rescue techniques play an important role to ensure the safety
of employees. Let us learn some key techniques and practices for rescuing someone affected by an electrical
emergency.
v Assess the Situation: Look for potential dangers such as exposed wires or electrical equipment still energized
and avoid touching the victim if they are still in contact with an electrical source.
v Turn Off the Power: Make a safe attempt to turn off the electrical power at the circuit breaker or disconnect
the power source.
v Call for Emergency: Call helpline numbers as soon as possible to report the incident and request medical
assistance immediately.
v Provide First Aid: Monitor the victim and if trained, provide rescue breaths after every 30 compressions.
v Address Burns and Injuries: Cover the burns gently with a clean, dry cloth or a sterile dressing. Do not
apply ice or ointments to the burns.
150