NALMCO Certified Apprentice Lighting Technician (CALT) Practice Exam

Why is it important to time-set occupancy sensors after installation?

1. To set their sensitivity to motion in the room

2. To establish their coverage pattern

3. To avoid false activation of lights

4. None of the above

The correct answer is: None of the above

Timing occupancy sensors after installation is essential primarily to facilitate their optimal operation in a specific environment. When occupancy sensors are installed, they typically require adjustment to ensure they effectively detect motion with the intended response. Establishing the timing settings is crucial to ensure that the sensors can accurately differentiate between occupancy and vacancy. This means configuring the duration for which lights should remain on after detecting motion. It helps prevent unnecessary activation of lights, thus avoiding false triggering. By timing them appropriately, the sensors can be calibrated to the specifics of the area they are monitoring, including the size and the layout of the room, enabling them to function with precision and efficiency.