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Old 07-15-2016, 06:23 AM
Melbourne Melbourne is offline
Join Date: Nov 2009
Posts: 3,424
Originally Posted by Me_Billy View Post
And what about high pressure sodium / HID / parking lot lights?
It's darker if you turn them off. And you have to wait before you turn them back on again. And then they have to warm up before they start lighting up. But they don't use much more power when turned off and on again -- they just give less light.