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Tennessee Electrician Practice 9

Practice 9 for Electrician Exam learners in Tennessee: 25 questions, explained answers, and a review routine.

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Question 1

1

An isolated (insulated) equipment grounding conductor for sensitive electronic equipment is permitted by NEC 250.146(D) to:

Question 2

2

A 600 A service uses two sets of parallel 350 kcmil copper (700 kcmil equivalent) per phase. The grounding electrode conductor from Table 250.66 is:

Question 3

3

A separate structure supplied by a feeder establishes its grounding by:

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