http://www.ballastkit.com/lighting-glossary Sun, 14 Jun 2009 15:10:57 +0000 en hourly 1 http://www.ballastkit.com/lighting-glossary/constant-wattage-autotransformer-cwa-ballast/ http://www.ballastkit.com/lighting-glossary/constant-wattage-autotransformer-cwa-ballast/#comments Mon, 09 Feb 2009 18:48:01 +0000 Admin http://www.ballastkit.com/lighting-glossary/?p=85 Constant Wattage Autotransformer (CWA) Ballast is a magnetic ballast (i.e. T12 Ballast) transformer ballast circuit that has a capacitor in series with the light bulb; compared to many other ballasts, the Constant Wattage Autotransformer regulates over a greater input voltage range, making the lamp current nearly constant.

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