Solar Power
Low-Voltage Systems
Design & Techniques
Fixture Types
Atmosphere & Kelvin
100

These panels on top of solar lights convert sunlight into electricity.

What are photovoltaic (PV) cells?

100

This essential device steps down standard 120V or 240V house power to safe low voltage power.

What is a transformer, Power Supply Unit (PSU) or Driver?

100

This technique places a spotlight at the base of a tree pointing straight up.

What is uplighting?

100

These short, post-mounted fixtures point downward to safely illuminate walkways.

What are path lights?

100

This unit of measurement describes the color temperature of garden lighting.

What is Kelvin (K)?

200

This type of rechargeable battery is most common in modern solar garden lights.

What is Lithium-ion (or NiMH)?

200

This modern bulb type is preferred in Low Voltage systems for using 80% less energy than halogen.

What is LED?

200

This method mounts a light high in a tree pointing down to mimic natural light.

What is moonlighting?

200

These overhead, decorative lights are strung between posts or pergolas for a bistro look.

What are Festoon lights (or string/fairy/bistro lights)?

200

Gardeners use this color temperature range (2700K–3000K) to create a cozy, inviting glow.

What is warm white?

300

This internal component detects darkness to turn solar lights on automatically.

What is a photoresistor (or light sensor)?

300

Thick wires are needed for long runs to prevent this issue, which makes far-away lights dim.

What is voltage drop?

300

Projecting the sharp silhouette of a plant onto a flat wall uses this technique.

What is shadowing?

300

These directional fixtures offer a narrow, intense beam to highlight specific statues or trees.

What are spotlights (accent)?

300

This unit measures the total amount of visible light emitted by a garden bulb.

What are lumens?

400

Solar lights need this many hours of direct sunlight daily for a full night's charge.

What is 6 to 8 hours?

400

This is the standard buried depth required for low-voltage garden cables in most regions.

What is no legally defined burial depth in Australia?

400

This technique lights a wall behind a feature plant, making the plant stand out in dark contrast.

What is silhouetting (or backlighting)?

400

These flush-mounted fixtures are built directly into wooden steps or retaining walls.

What are wall (or step) lights?

400

This cooler color temperature (4000K–5000K) is best for simulating natural midnight moonlight.

What is cool white?

500

This weather rating system indicates how waterproof a solar light fixture is.

What is the IP (Ingress Protection) rating?

500

This is the Gardens at Night Power rating and type

What is 24V DC?

500

This term describes hiding a light source to wash a flat garden wall with smooth, even light.

What is wall washing?

500

These heavy-duty fixtures are buried flush with the ground to shine up without creating a tripping hazard.

What are well lights (or in-ground lights)?

500

This value (CRI) measures how accurately a light bulb reveals the true green and red colors of plants.

What is the Color Rendering Index?