LED Underground Light: A Brief Guide
Application Range:
LED underground lights find applications in illuminating landscape structures, plants, and hard paving. They are primarily installed on the facades of hard paving, lawn areas, and tall trees. It is not recommended to install them in shrubbery areas as it may result in excessive shadows and dark spots. When installing them on lawns, the glass surface should be 2-3 centimeters higher than the grass surface to prevent water accumulation on the glass lens after rainfall.
Selection Requirements:
When selecting LED underground lights, consider the color temperature. For a pleasant lighting environment, a natural color temperature range of 2000K-6500K is suitable. Adjust the lighting color temperature according to the colors of the plants. For example, evergreen plants are better illuminated with a color temperature of 4200K, while plants with red leaves are better suited to a temperature of 3000K.
To illuminate tall trees in lawn areas without affecting their growth or causing damage to the plants and root systems, adjustable-angle underground lights can be used. The type of underground light should be chosen based on the characteristics of the illuminated plants. For sparsely branched trees, narrow beam lights placed at the base are suitable. For lush and tall trees, polarized underground lights can be installed at a distance of around 3 meters. For spherical shrubs, wide-beam or diffused lights are recommended. Asymmetrically shaped trees can be illuminated using adjustable-angle underground lights.
Lighting Fixture Design:
Select underground lights with chamfered lamp covers and seal the edges of the fixtures with waterproof or glass adhesive after installation.
Installation Process:
Follow standardized installation procedures and use embedded parts. The openings in hard paving should be slightly larger than the diameter of the light fixture but smaller than the outer diameter of the steel ring.
(1)During the sampling process, it is essential to check the waterproof rating of the light fixture to ensure it is at least IP67 or higher. This can be done by placing the underground light in a basin with the glass lens about 5cm above the water surface and operating it for 48 hours, switching it on and off approximately six times every two hours, and checking the waterproof performance during heating and cooling.
(2) Ensure proper sealing of the wire connections. Generally, the junction boxes of underground lights have dedicated sealing rubber rings and stainless steel fixtures. First, pass the cable through the rubber ring, then tighten the stainless steel fixture to secure the wire without pulling it out of the rubber seal. Additionally, waterproof junction boxes should be used when connecting the incoming and outgoing wires. After the connection is complete, seal the junction box's edge with adhesive or fill it with wax.
(3) Pay attention to waterproofing during construction. For underground lights installed in lawn areas, trapezoidal pre-embedded parts with a smaller upper opening and larger lower opening are recommended. For hard paving areas, cylindrical pre-embedded parts are suitable. When installing, create a permeable layer with crushed stone and sand under each underground light.
(4)After installing the underground lights, open the face cover, let the fixtures warm up for half an hour, and then close the cover. This ensures that the interior of the fixture maintains a certain vacuum state, and the pressure from the outdoor atmosphere tightly seals the cover gasket.
6W DMX IP66 Waterproof LED Ground Light RGB Round Underground Light
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