When to switch off your lights – green.yahoo.com

Does switching the lights on and off use more energy than leaving them on? The answer is no, despite the common misperception that turning a light on creates a power surge. The thinking is that it's more economical to just leave a light on rather than pay the costs of flicking it back on.

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• Posted by Imax
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• 1502 days ago
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• Category:money saving
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• Tags: