What must be done to avoid damage before energizing a new motor?

Prepare for the CDC 3E151 Volume 5 HVAC/R Fundamentals Test with flashcards and multiple-choice questions. Each question comes with hints and explanations. Gear up for your exam!

To avoid damage before energizing a new motor, performing insulation resistance testing is essential. This testing helps to ensure that the insulation of the motor windings is intact and capable of preventing electrical leakage. If the insulation has been compromised during manufacturing, transport, or installation, energizing the motor could lead to short circuits, equipment failure, or even safety hazards due to electric shock.

Insulation resistance testing measures the resistance to electrical current between the windings and the motor frame or ground. A high resistance reading indicates that the insulation is effective and that the motor is safe to operate. Low resistance readings would suggest potential issues that need to be addressed, such as repairs or further inspections, prior to energizing the motor.

While checking voltage levels, ensuring proper wiring alignment, and confirming motor specifications are all important steps in the setup and verification process, they do not specifically address the integrity of the motor’s insulation, making insulation resistance testing a crucial and prioritized measure to prevent damage.

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