HOLT Electricians Complete Practice Exam 2026

Question: 1 / 400

Which parts of Article 430 address motor overcurrent protection?

Part I, Part II

Part III, Part IV

The reference to motor overcurrent protection within Article 430 lies primarily in Part III and Part IV. Part III covers the requirements for overload protection in motors, detailing the need for devices that prevent excessive current that could cause overheating or damage to the motor. It specifies the types of overload devices that can be used and the necessary settings based on the motor rating.

Part IV delves into short-circuit and ground-fault protection, outlining how to safeguard motors against sudden spikes in current that could result from faults in the system. This aspect is crucial for ensuring that motors can operate safely within their design parameters without risking damage from electrical faults.

Thus, focusing on Parts III and IV provides a comprehensive understanding of the necessary protective measures for motors concerning overcurrent conditions.

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Part V, Part VI

Part VII, Part VIII

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