Why do those mercury vapor street lights keep turning off and on? The one on my corner is only on about 50% of the time especially in cold weather. - Quora
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Why do those mercury vapor street lights keep turning off and on? The one on my corner is only on about 50% of the time especially in cold weather. - Quora
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Why do those mercury vapor street lights keep turning off and on? The one on my corner is only on about 50% of the time especially in cold weather. - Quora
Why do those mercury vapor street lights keep turning off and on? The one on my corner is only on about 50% of the time especially in cold weather. - Quora
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Why do those mercury vapor street lights keep turning off and on? The one on my corner is only on about 50% of the time especially in cold weather. - Quora
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Zoo Med PowerSun UV Mercury Vapor UVB Lamp
Why do those mercury vapor street lights keep turning off and on? The one on my corner is only on about 50% of the time especially in cold weather. - Quora
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