NALMCO Certified Apprentice Lighting Technician (CALT) Practice Exam

What is a common use for LED lamps?

1. Street lighting

2. Decorative use only

3. Space heaters

4. Incubators

The correct answer is: Street lighting

LED lamps are widely recognized for their energy efficiency and longevity, making them an ideal choice for various lighting applications, including street lighting. The use of LED technology in street lights offers numerous advantages such as lower energy consumption, reduced maintenance costs, and enhanced visibility, which contribute to overall public safety. Their ability to emit bright, focused light makes them effective for illuminating roadways, sidewalks, and intersections, thereby improving visibility for both drivers and pedestrians at night. In contrast, options like decorative use only, space heaters, and incubators don't represent common uses of LED lamps. While LEDs can certainly be employed for decorative purposes, they are not limited to that function. Space heaters are generally heating devices, and while some may incorporate LED indicators, they do not primarily use LEDs for their main function. Incubators, which are used for hatching eggs, do not rely on LED lamps as their primary light source. Therefore, the selection of street lighting reflects both the practical and efficient utilization of LED technology in a widely applicable scenario.