NALMCO Certified Apprentice Lighting Technician (CALT) Practice Exam

What is the primary advantage of a low-voltage control system?

1. Allows multiple zones for on-off control

2. Measures light continuously

3. Activated by a key for authorized control

4. Encourages energy savings

The correct answer is: Allows multiple zones for on-off control

The primary advantage of a low-voltage control system is that it allows for multiple zones for on-off control. This means that different areas or sections of a building can be managed independently, enabling the user to turn lights on or off in specific zones based on occupancy, usage, or even preference. This granular control contributes to more efficient lighting management and can enhance comfort and convenience for occupants. While the ability to measure light continuously, be activated by a key for authorized control, and encourage energy savings may be beneficial features in certain contexts, they do not capture the key benefit provided by a low-voltage control system. The zoning capability is particularly significant, as it aligns closely with modern energy efficiency practices and the need for customizable lighting environments.