Cutoff wall packs reduce light pollution by directing light downwards and minimizing the amount of light that escapes into the sky or surrounding areas. These fixtures are designed with a shield or a specific housing that limits the angle at which light is emitted, typically to 90 degrees or less. This design ensures that the light is focused on the intended area, such as walkways, parking lots, or building exteriors, rather than dispersing into the atmosphere.
By controlling the light distribution, cutoff wall packs prevent glare, which can be a significant contributor to light pollution. Glare occurs when excessive brightness causes discomfort or reduces visibility, and it can affect both humans and wildlife. By reducing glare, these fixtures enhance visibility and safety while minimizing the adverse effects on nocturnal animals and ecosystems.
Additionally, cutoff wall packs help in reducing skyglow, the brightening of the night sky over populated areas, which obscures the visibility of stars and celestial bodies. By preventing upward light spill, these fixtures contribute to preserving the natural night environment.
Furthermore, cutoff wall packs are often more energy-efficient because they direct light precisely where it is needed, reducing wasted light and energy consumption. This efficiency not only helps in reducing light pollution but also lowers energy costs and carbon emissions.
In summary, cutoff wall packs mitigate light pollution by focusing light downward, reducing glare, preventing skyglow, and enhancing energy efficiency, thereby promoting a more sustainable and environmentally friendly lighting solution.