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T5 lights
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shaun64326
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Joined: 22 Nov 2004
Location: NSW South Coast, Australia

PostPosted: 2006.11.28(Tue)2:01    Post subject: T5 lights Reply with quote

Are there any specific WPG rule for T5HO lights like there is for normal flourescent lights? I understand there more powerful?
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unissuh
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Joined: 29 Mar 2005
Location: Melbourne, Australia

PostPosted: 2006.11.28(Tue)5:23    Post subject: Reply with quote

The WPG rule will work for HO T5s just as well as NO T8s as far as I know, there is only a ~5% increase in lumen/watt efficiency in HO T5s.
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sirreal63
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Joined: 21 Feb 2004
Location: Meadowlakes, TX

PostPosted: 2006.11.28(Tue)7:15    Post subject: Reply with quote

It depends on the light and more importantly the reflector. If it is the cheap T5's with a flat or U-shaped reflector then there is not much difference between them and normal flourescents. If you are talking about the T5's with sls or other W-Shaped reflectors then there is a huge difference.
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