NM Electrical Inspector (General) Practice Questions - New Mexico CID Electrical Inspector (General) Examination Exam

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According to NEC 250.4(A)(1), grounded electrical systems are connected to earth to limit the voltage imposed by lightning, line surges, or unintentional contact with higher-voltage lines and to do which of the following?

Eliminate the need for an equipment grounding conductor Stabilize the voltage to earth during normal operation Permit the grounded conductor to be smaller than Table 250.66 Replace the main bonding jumper

Correct Answer:

Stabilize the voltage to earth during normal operation

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