When performing maintenance with the motor off, a visual inspection should include checks for excess dirt accumulation, burns, or damaged starter components.

• A. True
• B. False
• C. Not applicable
• D. Unknown

Answer: (A)

During maintenance with the motor de-energized, you’re looking for obvious signs that could lead to problems once the system is powered again. Excess dirt can trap moisture and promote corrosion or arcing, which degrades insulation and can cause overheating. Burns or heat discoloration indicate previous overheating or arcing damage that could worsen under load. Damaged starter components, such as worn or cracked contactors, damaged insulation on wiring, loose terminals, or broken enclosures, can lead to misstart, short circuits, or fire hazards.

Catching these indicators while the motor is off helps ensure safety and reliability before you restart. So this visual inspection step is appropriate and advisable. If any issues are found, they should be addressed before applying power again.