When maintaining large industrial dry-type transformers for use in unit substations, be aware that there might be dangerous voltages present in the cubicle for control circuits or space heaters that might not be deenergized when the transformer is deenergized.

Question

Quizplus · Accepted Answer

It is important to be aware of potential dangers and to take proper safety precautions when maintaining industrial dry-type transformers, as there may still be dangerous voltages present even when the transformer is deenergized.

When Maintaining Large Industrial Dry-Type Transformers for Use in Unit