GSEC · Question #177
Which of the following classes of fire comes under Class C fire?
The correct answer is D. Electronic or computer fire. Fire classifications categorize fires by the type of material burning, and Class C specifically covers electrical and electronic equipment fires.
Question
Which of the following classes of fire comes under Class C fire?
Options
- APaper or wood fire
- BOil fire
- CCombustible metals fire
- DElectronic or computer fire
How the community answered
(52 responses)- A8% (4)
- B4% (2)
- C15% (8)
- D73% (38)
Why each option
Fire classifications categorize fires by the type of material burning, and Class C specifically covers electrical and electronic equipment fires.
Paper and wood fires are Class A fires, involving ordinary combustible materials.
Oil and flammable liquid fires are classified as Class B fires, not Class C.
Combustible metals such as magnesium and titanium are Class D fires, requiring specialized dry powder suppressants.
Class C fires involve energized electrical equipment, including computers and electronic devices. The classification is critical because water-based suppressants conduct electricity and cannot be used safely, requiring CO2 or dry chemical agents instead.
Concept tested: Fire classification categories for safety
Source: https://www.nfpa.org/codes-and-standards/nfpa-10-standard-for-portable-fire-extinguishers
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