Practice test

Electrician Practice Exam 3

Free electrician practice test 3 with 25 foundation questions on bonding, dwelling load calcs, and NEC wiring rules. Detailed explanations follow every answer.

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These questions are for study practice only and are not official exam questions.

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Question 1

1

A separately derived system, such as the secondary of a transformer, requires a system bonding jumper to:

Question 2

2

For a 200-ampere service with 3/0 copper conductors, how are the grounding electrode conductors to a rod and to a Ufer sized?

Question 3

3

A main bonding jumper or supply-side bonding jumper is sized using:

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