Question 8057 of 731 · Texas Journeyman Electrician Exam

Within how many seconds must an emergency system provide power after loss of normal supply?

Exactly one answer is correct.

Show solution

Correct answer to question 8057

  • C: 10 seconds

Explanation

Section 700.12 requires emergency power to be available within the time needed for the application, but not longer than 10 seconds. Exit lighting and life safety loads depend on this short delay.

Next to question ›