AFF Exit Exam • Set 2 Question 24 of 30

Which class of fire involves energized electrical equipment such as switchboards or electric motors?

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Direct Answer

Option C: Class C (or Electrical Fire)

Class C fires involve energized electrical equipment, such as switchboards, motors, or electronic navigation gear. Because electricity can conduct through water, non-conductive extinguishing agents like CO2 or dry chemical powder are required to safely suppress the fire without risking electrocution to the firefighting personnel or damaging sensitive equipment.

All Options

A

Class B

B

Class A

C

Class C (or Electrical Fire) (Correct Answer)

D

Class D

Detailed Explanation & Context

Class C fires involve energized electrical equipment, such as switchboards, motors, or electronic navigation gear. Because electricity can conduct through water, non-conductive extinguishing agents like CO2 or dry chemical powder are required to safely suppress the fire without risking electrocution to the firefighting personnel or damaging sensitive equipment.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).

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