SC Electrician Practice Questions - South Carolina Electrician Contractor Examination Exam

Access More Questions

Under NFPA 72 (2019), the secondary power supply for a protected-premises fire alarm system shall operate the system under quiescent load for at least 24 hours and then operate the alarm notification appliances for at least how long?

5 minutes 30 minutes 4 hours 30 seconds

Correct Answer:

5 minutes

Access more questions from this quiz

Continue to SC Electrician Practice Questions - South Carolina Electrician Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions