Page 18 - CITS - Electrician - Trade Practical

ELECTRICIAN - CITS

MODULE 1: Safety Practices

EXERCISE 1: Electrical fires and identification of Fire

Extinguishers

Objectives
At the end of this exercise you shall be able to
• identify different types of fire extinguishers
• select the fire extinguishers used for electrical fires
• practice to operate the fire extinguisher
• extinguish the fire by fire extinguisher

Requirements

Tools/Equipments/Instruments
• Combination Plier 165mm, • PPE kit as per standard - 1 Set
insulated - 1 No. • Fire extinguisher Class A, B, C, D - 1 No each.
• Screw Driver insulated Materials/Components
stem 150mm - 1 No. • Cotton waste - as reqd.
• Neon Tester 75mm, 500 V - 1 No. • Fire wood & Kerosene - as reqd.

Procedure

TASK 1 : Identify the types of fire extinguishers
1 Identify and Read the details of different types of fire extinguishers.
2 Read the operating procedure of fire extinguishers.
3 Take the fire extinguisher to the open area and set a small fire on wood pieces.

4 Practice & operate the fire extinguisher by P A S S procedure and extinguish the fire.

TASK 2: Demonstrate of extinguish electrical fire

1 Select the CO type fire extinguisher for electrical fires.
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2 Check the details / expiry date of fire extinguisher and ensure that fire extinguisher is fully refilled (observe its
scale which must be in green mark)

3 Switch OFF the main electrical supply and remove the fuses.
4 Follow the P A S S procedure to operate the fire extinguisher
5 Extinguish the fire until the fire is put off.

Safety precautions
1 Handle the fire extinguisher carefully.
2 Operate the fire extinguisher carefully with proper procedure.
3 Do not throw the water on electrical fires.
4 Use proper PPE’s while extinguishing electrical fires.

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