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Washington Electrician Practice 4

Practice 4 for Electrician Exam learners in Washington: 25 questions, explained answers, and a review routine.

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Question 1

1

What is the primary purpose of grounding an electrical system?

Question 2

2

A metal water piping system is being used as a grounding electrode. Where must the bonding connection to this electrode be made?

Question 3

3

What is the difference between grounding and bonding?

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