Exit Signs are required in all Occupancy types except One and Two Family Dwellings (NFPA 101-xx.2.10 and 7.10).

The maximum viewing distance for exit sign is 30 m..

(a) Luminance. Exit and directional signs shall have a luminance on the face of such signs of not less than 5 foot-candles (50 lux).

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OCCUPANCY TYPE (new building)

CODE REF.
EMERGENCY LIGHTING

AMBULATORY
(Sprinklered and Not Sprinklered)
NFPA 101, 2012 (20.2.9.1 and 7.9)
Yes, required.

BUSINESS
(Sprinklered and Not Sprinklered)
NFPA 101, 2012 (38.2.9.1 and 7.9)
Yes, required where one of the following exists:
a) The building is 2 stories above the level of exit discharge
b) The occupancy is subject to 50 occupants above or below the level of exit of discharge
c) The total occupant load is subject to 300 occupants

HEALTHCARE
NFPA 101,…

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