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Louisiana Electrician Practice 5

Practice 5 for Electrician Exam learners in Louisiana: 25 questions, explained answers, and a review routine.

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Question 1

1

A 400 A service uses two sets of parallel 3/0 copper conductors per phase. The grounding electrode conductor based on the total equivalent copper area is sized from Table 250.66 at:

Question 2

2

Objectionable current on grounding conductors (NEC 250.6) is best remedied by:

Question 3

3

For a feeder to a detached building (separate structure), the equipment grounding conductor must:

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