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Found out why you don't run HPS bulbs in a MH ballasted fixture RyanF40T12 11 5371 January 10, 2022, 08:40:33 PM
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Low Pressure Sodium Ballast Question MeanDumpsterCat 10 1769 January 07, 2022, 03:24:11 PM
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North American ES probe start QMH lamps overheating their intended ballasts? WorldwideHIDCollectorUSA 0 840 December 21, 2021, 09:04:30 PM
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How rare are HID and fluorescent lamps in your country? WorldwideHIDCollectorUSA 4 1358 December 21, 2021, 08:17:30 PM
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What is the most energy efficient T12 fluorescent tube? WorldwideHIDCollectorUSA 11 2182 December 14, 2021, 11:35:22 PM
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