Downlight, With or without ballast?
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 Nov 2 2010, 05:57 PM
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2,250 posts Joined: Jan 2003 From: Penang / Bentong, Pahang / Genting   
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I think most are using CFL/Energy saving bulbs, and they have built-in ballast already.
Ballast are used to stabilize the current flow to your lights, so that it doesn't flicker. This post has been edited by SnoWFisH: Nov 2 2010, 05:58 PM |
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