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TeachMeFinance.com - explain High efficiency ballast High efficiency ballast The term 'High efficiency ballast' as it applies to the area of energy can be defined as ' A lighting conservation feature consisting of an energy-efficient version of a conventional electro magnetic ballast. The ballast is the transformer for fluorescent and high-intensity discharge (HID) lamps, which provides the necessary current, voltage, and wave-form conditions to operate the lamp. A high-efficiency ballast requires lower power input than a conventional ballast to operate HID and fluorescent lamps'. Previous 5 Terms: hierophobia High High Clouds High dam high definition television (hdtv) Next 5 Terms: High efficiency lighting High Energy Event High Frequency (HF) high grading High hazard About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.