Article 700 Emergency Systems

Published on 17 September 2024 at 20:08

What is the maximum time delay for emergency lighting that has been interrupted from a primary power source?

A)45 seconds

B)10 seconds

C)60 seconds

D)Any other time under one minute as long as it is daylight hours

 

Answer(B) 10 Seconds

700.12 General Requirements

Current supply shall be such that, in the event of failure of the normal supply to, or within the building or group of buildings concerned, emergency lighting, emergency power, or both shall be available within the time required for the application but not to exceed 10 seconds.

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