How many lights and what spacing is recommended for a 40 x 60 with 18ft high ceilings?
13 Sep 2024
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The appropriate illuminance for a space depends on its intended use. Generally, home illumination levels range from 100 to 500 lux, while offices or shops typically require 300 to 1000 lux.
For a 40x60x18 ft space using our 210W 2FT store light:
- For Home Use: Install 12-15 lights with 12-15 feet spacing between each light.
- For Shop Use: Install 32-50 lights with 6-10 feet spacing between each light.
In lighting terminology, ‘illuminance’ refers to the intensity of light on a surface, measured in lux. An illuminance of over 100 lux means there are more than 100 lumens per square meter on that surface.
Here are some examples for better understanding:
- Low to Medium Light Levels: Typical home interiors have 100-300 lux.
- Office Lighting: 300-500 lux is recommended for sufficient reading and writing light.
- Special Work Areas: Tasks like drafting or precision work may require 1000 lux or more.
Thus, an illuminance of over 100 lux is generally suitable for basic living and working activities. However, more detailed tasks may require stronger lighting.
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