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Question 1
Per NEC 110.26(A)(1), what is the minimum depth of working space in front of electrical equipment operating at 300 volts where exposed live parts are on one side and grounded parts (such as concrete walls) are on the other side (Condition 2)?
Correct Answer:
3.5 feet
Question 2
According to NEC Article 100, the term 'continuous load' is defined as a load where the maximum current is expected to continue for at least how long?
Correct Answer:
3 hours
Question 3
Per NEC 110.26(E), what is the minimum required headroom of working space about service equipment, switchboards, panelboards, and motor control centers in commercial occupancies?
Correct Answer:
6 feet 6 inches or height of equipment, whichever is greater
Question 4
NEC 110.26(C)(2) requires how many entrances to and egress from the working space for large equipment rated 1200 amperes or more and over 6 feet wide?
Correct Answer:
Two entrances, one at each end of the working space
Question 5
Per NEC 110.14(C)(1), conductors with a temperature rating higher than the termination rating (for example 90°C conductors terminating on 75°C-rated equipment) must have their ampacity determined based on which temperature column of Table 310.16?
Correct Answer:
75°C column
Question 1
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About this Exam

Prepare with the ICC E2 Practice Questions - ICC Commercial Electrical Inspector (E2) Exam practice quiz. This question bank includes 100 questions covering conductors, minimum, conductor, commercial, and equipment. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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ICC E2 Practice Questions - ICC Commercial Electrical Inspector (E2) Exam

This practice set contains 100 questions from the matching question bank and focuses on conductors, minimum, conductor, commercial, and equipment. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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