If possible, why should an infrared scan of inner equipment be accomplished on an AC system?

If possible, why should an infrared scan of inner equipment be accomplished on an AC system?

• A. To detect loose connections, imbalanced circuits, damaged switches, and material defects unseen by the naked eye
• B. To measure ambient temperature around the equipment
• C. To verify the color coding of cables
• D. To assess exterior corrosion and paint condition

Answer: (A)