LLC Lighting Control Systems & Automation

Question 1

What is the primary function of a photocell (dusk-to-dawn sensor) in a landscape lighting system?

Accepted Answer

Automatically turns lights on at dusk and off at dawn based on ambient light levels

Answer

A photocell detects ambient light levels and automatically activates the system at dusk and deactivates it at dawn, eliminating the need for manual switching.

Question 2

Which type of timer is most reliable for landscape lighting because it automatically adjusts on/off times throughout the year?

Accepted Answer

Astronomic (astro) timer

Answer

An astronomic (astro) timer uses GPS coordinates and an internal calendar to calculate exact local sunset and sunrise times every day of the year, automatically adjusting schedules.

Question 3

In a low-voltage landscape lighting transformer, what does the 'timer' feature control?

Accepted Answer

The scheduled on and off times for the lighting zones

Answer

The built-in timer in a landscape lighting transformer allows the installer to program specific on/off schedules for the connected lighting zones.

Question 4

What is the main advantage of using a multi-zone landscape lighting transformer?

Accepted Answer

It allows different lighting areas to be controlled independently with separate schedules or settings

Answer

A multi-zone transformer allows separate areas of the landscape (e.g., front yard, back yard, pool area) to be controlled independently, with different on/off times or dimming levels.

Question 5

Which control method allows a homeowner to adjust landscape lighting using a smartphone app?

Accepted Answer

Smart home/Wi-Fi integrated lighting controller

Answer

Smart home or Wi-Fi integrated lighting controllers connect to the home network and allow remote control and scheduling via a smartphone app.

(LLC) Landscape Lighting Certification Practice Test

(LLC) Landscape Lighting Certification Practice Test

LLC Lighting Control Systems & Automation