Industrial Maintenance Technician Practice Test 2025 – Your All-in-One Guide to Exam Success!

Question: 1 / 400

Why is it important to reverse phase leads in a motor?

To start a motor properly

To alter direction of rotation

Reversing phase leads in a motor is crucial primarily because it alters the direction of rotation of the motor. In three-phase motors, the sequence of the phase leads determines the direction in which the motor will spin. When the phase leads are reversed, the magnetic field produced by the motor winding also reverses, causing the rotor to rotate in the opposite direction. This ability to change the motor's rotational direction can be essential for various applications, such as conveyors or machines that need to operate in both forward and reverse directions.

While there are other reasons for managing electrical configurations, such as ensuring correct startup conditions, balancing loads, or maintaining proper voltage levels, the specific action of reversing phase leads directly influences the rotation direction, making it a key consideration in motor operation and maintenance.

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To balance electrical loads

To ensure proper voltage level

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