All options listed, including Carbon dioxide, Dry chemical powder, and Clean gases, are effective for extinguishing electric equipment fires. They are chosen based on their ability to suppress fire without conducting electricity. Thus, the answer is All of the above. ;
The correct answer to the question is D. All of the above, as Carbon dioxide, Dry chemical powder, and Clean gases are all effective for extinguishing electric equipment fires without conducting electricity. Each type of extinguisher has unique properties that make them suitable for handling electrical hazards.
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