Why Incandescent Bulbs are Gone
This has the same calculation as the prior slide, but for two equivalent, 800 lumen light bulbs. The traditional incandescent of this brightness would require 60W, but a modern LED or CFL requires 13 watts. For a lamp used a lot, this saves a lot of money per month. In this photo, a rate of 7.8¢ is assumed.
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Uploaded on March 21, 2017
Taken on March 21, 2017
Why Incandescent Bulbs are Gone
This has the same calculation as the prior slide, but for two equivalent, 800 lumen light bulbs. The traditional incandescent of this brightness would require 60W, but a modern LED or CFL requires 13 watts. For a lamp used a lot, this saves a lot of money per month. In this photo, a rate of 7.8¢ is assumed.
764
views
0
faves
0
comments
Uploaded on March 21, 2017
Taken on March 21, 2017