Some Transformers Require Increased Cooling Provided by a Material That

question 6

True/False

Some transformers require increased cooling provided by a material that will absorb heat from the windings and core material. One common oil used for this purpose is known as Askarel. A special type of Askarel oil, called polychlorinated biphenyl (PCB), is a highly toxic substance now banned in the United States except for use with transformers.

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