12.2.4.1.Motion Sensors

(1) Lighting installed to provide the minimum illumination levels required by this Code may be controlled by motion sensors except where the lighting (a) is installed in an exit, (b) is installed in a corridor serving patients or residents in a Group B, Division 2 or Division 3 occupancy, or (c) is required to conform to Sentence 3.2.7.1.(10). (2) Where motion sensors are used to control minimum lighting in a public corridor or corridor providing access to exit for the public, the motion sensors shall be installed with switch controllers equipped for fail-safe operation and illumination timers set for a minimum 15-minute duration. (3) A motion sensor shall not be used to control emergency lighting.