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How Long Should Emergency Lights Stay On?

  Author:Lights&Lighting E-Commerce   2020-09-10 Read:0

How Long Should Emergency Lights Stay On?

Emergency lighting should remain lit for at least one hour.

Depending on the size and complexity of the building, it is likely emergency lighting will need to stay on for more than one hour. At least three hours is required if the premises are unlikely to be evacuated immediately—for example, hotels and multi-storey residential buildings.

One hour is simply the legal minimum for emergency lighting—it costs very little to increase that to three hours or more. In these situations, it’s better to be safe than sorry.


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