Landscape Lighting Design Flashcards

What is the difference between 'uplighting' and 'downlighting' techniques in landscape lighting design?

Answer: Uplighting directs light upward from ground level to illuminate trees or structures; downlighting mimics moonlight by placing fixtures above to cast light downward

Uplighting places low fixtures that aim light upward at trees, walls, or architectural features, while downlighting positions fixtures above (in trees or on structures) to cast soft, natural-looking light downward.

What is 'color temperature' in landscape lighting, measured in Kelvin (K)?

Answer: The warmth or coolness of the light's color appearance, where lower values are warmer (amber) and higher values are cooler (blue-white)

Color temperature (Kelvin) describes the visual warmth or coolness of light: 2700–3000K produces warm amber tones ideal for most residential landscapes, while higher values produce cooler, bluer light.

What is 'glare' in landscape lighting design and how is it controlled?

Answer: Uncomfortable brightness from a light source that reduces visibility and creates discomfort; controlled by shielding, proper aiming, and appropriate lumen levels

Glare is excessive, uncontrolled brightness from a light source that creates visual discomfort and reduces the ability to see; controlled through shielded fixtures, correct lumen selection, and proper aiming.

What does 'lumen output' measure in landscape lighting fixture selection?

Answer: The total quantity of visible light emitted by a light source

Lumens measure the total quantity of visible light produced by a light source, with higher lumen values indicating a brighter light output.

Which wire voltage system is most commonly used in residential low-voltage landscape lighting in the US?

Answer: 12V DC low-voltage system

Residential landscape lighting most commonly uses 12V low-voltage systems powered by a transformer, which are safer, easier to install, and more energy-efficient than line voltage systems.

What is 'moonlighting' as a landscape lighting technique?

Answer: Placing fixtures high in trees to cast dappled, soft light downward, mimicking natural moonlight filtering through foliage

Moonlighting involves mounting downward-facing fixtures high in tree canopies so light filters through the branches, creating natural-looking dappled shadows and a soft, romantic moonlight effect.