NEIEP Mechanics Practice Exam

Question: 1 / 475

Why is it important to verify the main electrical supply voltage is correct?

The wrong voltage could damage the controller

Verifying the main electrical supply voltage is important primarily because incorrect voltage levels can lead to damage in electrical components, such as controllers. In many systems, controllers are designed to operate within specific voltage limits, and supplying either too high or too low voltage can result in overheating, malfunctioning, or even complete failure of the device. This can lead not only to significant repair costs but also to safety hazards.

Additionally, while erratic movement of an elevator due to incorrect voltage can be a concern, the fundamental reason for verification hinges on protecting sensitive equipment from potential damage. Ensuring the proper voltage also contributes to the overall efficiency and safety of the system, highlighting the critical need for this verification step in operations.

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Incorrect voltage will cause the elevator to move erratically

Voltage verification is not essential in operations

It helps to prevent excessive power consumption

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