Get Green » ballast technical information http://www.expresslightbulbs.com/getgreen Energy Saving Tips for Consumers Sun, 04 Oct 2009 20:51:40 +0000 en hourly 1 http://wordpress.org/?v=abc Why are Ballasts needed? http://www.expresslightbulbs.com/getgreen/why-are-ballasts-needed/2009/02/09/ http://www.expresslightbulbs.com/getgreen/why-are-ballasts-needed/2009/02/09/#comments Mon, 09 Feb 2009 17:14:57 +0000 Get Green http://expresslightbulbs.com/getgreen/?p=79 Yet Another Related Posts Plugin.]]> For a lot of us, ballasts (i.e. Metal Halide Ballast) are a mystery. All distribution systems of Electrical output have fixed AC voltage (50 or 60 Hz) and should expect connected electrical loads to limit the current drawn from the power source. Metal Halide Bulbs and High Pressure Bulbs arc discharge lamps exhibit “negative impedance.” if you don’t have a ballast, the arc in the bulb will extinguish or draw increasing current until some circuit element burns up (reducing life Finish Reading this Post

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