Emergency Lighting Transfer Time - Generator

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#98320 - 05/28/06 07:36 AM

Emergency Lighting Transfer Time - Generator

Frank Cinker Offline

Member

Joined: Jul 2001
Posts: 311
Pennsylvania

I was under the impression that the transfer switch time must not exceed 10 seconds when a generator powers emergency lighting. NEC Article 700. I checked section 700.12.(B)and could not find it. Is it in another section or has it been rewritten?

Frank

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#98321 - 05/28/06 08:17 AM

Re: Emergency Lighting Transfer Time - Generator

iwire

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Joined: Jan 2003
Posts: 4,391
North Attleboro, MA USA

Quote

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.....

Bob Badger
Construction & Maintenance Electrician
Massachusetts

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