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Old 07-12-2016, 10:35 AM
Me_Billy Me_Billy is offline
Join Date: Aug 2015
Posts: 1,420
Some industrial/commercial lights are like that to a limited extent. But for a home these days, shutting off lights when not in use will save the most electricity.

Replace all your bulbs with LED bulbs and you will save even more!

Last edited by Me_Billy; 07-12-2016 at 10:35 AM.