Common uses and advantages
Low pressure sodium lamps are used in outdoor lighting of some parking areasand bridge underpasses. The very yellow color does not attract insects but it distorts colors.While these lamps are highly energy-efficient they are rarely used becauseall objects under their light appear to be yellow or yellow-gray.
See Also
Ballasts - High pressure discharge lampsThe advantages and disadvantages of high pressure sodium lamp and energy-saving lampswith reference to street-lighting, how do sodium lamps differ from led lamps?1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps.2. As street-lights, sodium lamps have longer life span than LED lamps.3. The spectrum of vDecrolux | High Pressure Sodium vs LED - What’s The DifferenceOther options to consider
If energy-efficiency is the overriding concern, low pressure sodium lampsare the best choice.A change away from low pressure sodium would be made for other reasons, suchas a desire for better color.The only strategies to improve the energy efficiency of a low pressure sodiumsystem is to avoidoverlighting and limit the hours of use to essential times.
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