Practice test

Electrician Practice Exam 13

Advanced electrician questions on transformer protection, tap rules, GEC sizing, and commercial load demand. 25-question NEC simulator with timed scoring.

Free preview

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

Preview answers are not saved as full test results.

Question 1

1

A branch circuit serves 44 A continuous lighting and 30 A noncontinuous receptacles. What minimum conductor ampacity is required?

Question 2

2

Per NEC 250.66(B), the maximum required GEC when connected solely to a concrete-encased electrode is:

Question 3

3

Per NEC 310.15(C)(1), the adjustment factors for more than three current-carrying conductors apply when conductors are bundled longer than:

Enable JavaScript for the interactive step-by-step quiz with instant scoring and explanations.