FORESTRY
FOREST PROTECTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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light class
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Class C
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Class A
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Class B
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Detailed explanation-1: -Class C: Electrical equipment, appliances and wiring in which the use or a nonconductive extinguishing agent prevents injury from electrical shock. Don’t use water. Class D: Certain flammable metallic substances such as sodium and potassium.
Detailed explanation-2: -Class C fires are those fires that have live electrical currents or electrical equipment as a source of fuel. Such fuel sources could include electric tools, appliances, motors, and transformers.
Detailed explanation-3: -Class A-Flame-spread 0-25, smoke developed 0-450. Class B-Flame-spread 26-75, smoke developed 0-450. Class C-Flame-spread 76-200, smoke developed 0-450. NFPA 101 primarily applies this classification to interior wall and ceiling finish materials.