Askarel-Containing Transformers Rated in Excess of 25 KVA Shall Have

question 3

Multiple Choice

Askarel-containing transformers rated in excess of 25 kVA shall have ____.

• A) negative airflow to all adjacent areas within a scope of 10 ft
• B) insulated grounding wires connecting the transformer case and an earth ground
• C) at least 6 in.(150 mm) of airspace between the transformer case and any adjacent combustible material
• D) a properly installed chimney

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Definitions:

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