Household LED lamps
Date:2011-05-26 13:53
Status:Be resolved
Question:admin
g 2 watts. It has been calculated that these LED lamps will pay for themselves in three and a half years, even though the lights run for only 48 days per year.[21]
By 2010 mass installations of LED lighting for commercial and public uses were becoming common.
In 2010, on the reconstructed section of Bulevar Kralja Aleksandra (King Aleksandar Boulevard) in Belgrade, Serbia, LED lamps were introduced for new street lighting.[22]
LED lamps have also been used for a number of demonstration projects
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