HOLT Electricians Practice Exam 2025 - Free Electrician Certification Practice Questions and Study Guide

Question: 1 / 400

Short circuit and ground fault protection for motors must not exceed the percentages listed in what table?

Table 430-50

Table 430-52

The protection settings for short circuits and ground faults in motors are crucial for maintaining safety and preventing damage. Table 430-52 specifically addresses the maximum setting percentages for overload and short-circuit protection devices for motors. It provides the parameters for how to size the protective devices accurately to ensure they operate effectively without falsely tripping during normal operations.

Correctly interpreting Table 430-52 is essential for ensuring compliance with the National Electrical Code (NEC) and maintaining safe operation of motor systems. It guides electricians in selecting the right settings for motor protection, thus preventing potential hazards caused by overcurrents and ground faults.

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Table 430-60

Table 430-70

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