Home > Terms > English, UK (UE) > Luminaire dirt depreciation (LDD)
Luminaire dirt depreciation (LDD)
The accumulation of dirt on luminaires results in a loss of light output on the road. This loss is known as the LDD factor and is determined by estimating the dirt category from the graph below. From the appropriate dirt condition curve and the proper e
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- Part of Speech: noun
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- Industry/Domain: Electrical equipment
- Category: Electricity
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