A healthcare facility is required to install an emergency lighting system. According to the 2026 NEC, what is the minimum required duration of illumination for emergency lighting in this facility?
- A1 hour
- B90 minutes
- 2 hours
- D3 hours
Exam tip
Remember that healthcare facilities have specific requirements for emergency systems, including lighting, that are more stringent than general occupancy requirements.
Why C is correct
Healthcare facilities are required to have emergency lighting systems with a minimum duration of 2 hours of illumination according to 2026 NEC Article 700.10(A)(1). Option A, B, and D are incorrect as they do not meet the specific requirements for healthcare facilities.