Compliance with the Life Safety Code NFPA 101, Section 7.9.2.1 requires even illuminance, over a specified area, of 1fc average with a minimum illumination of 0.1fc at any point with a ratio of not more that 40 to 1 maximum to minimum illuminance.
Typical Distances Between Units to meet NFPA 101, shown above, are typical for MR16 lamps mounted in an emergency lighting fixture assuming no wall reflections. All measurements are in footcandles. Photometric diagram measurements are on axis from a bare lamp and do not reflect real lighting conditions.
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