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fencer
09-09-2009, 04:00 AM
A newbie question:

Are all T5's high output and if I have a T5 HO fixture can I run non HO T5's ?

Thnx

mark
09-09-2009, 04:58 AM
Seems there are NO (normal output) T5 (seen a whole lot once dumpster diving at work), but are there NO T5 marine bulbs?

fencer
09-09-2009, 05:12 AM
Great Mark ...a question with a question. I am assuming any bulbs you buy from a LFS is going to be HO. I have a fixture from Current USA and they spec out HO for that fixture.

mark
09-09-2009, 05:27 AM
Probably find some nice 2700k or 4100K NO bulbs out there, just saying don't think I've ever come across non-HO marine bulbs. Not trying to be a smart as$.

fencer
09-09-2009, 05:40 AM
So do you think that HO is more related to the temp of the bulb?

mark
09-09-2009, 12:51 PM
no, just for our application (marine) the manufacturers have focused more on HO rather than NO.

intarsiabox
09-10-2009, 12:25 AM
Coralife makes a bunch of NO T5 bulbs in 10K, Actinic spectrums. The boxes that the bulbs are in will specify if they are HO and will also give you the wattage which will tell you that they are HO or not. So yes, you need to read the package.

sharuq1
09-10-2009, 12:40 AM
It's so confusing. I was told last month that ALL t5's are HO by the electrical parts store in town. How much wattage is it that makes it HO? Or are they right??

banditpowdercoat
09-10-2009, 12:55 AM
Personally, Ive never seen a T5 NO, or HO designation. Just T5. Also, never seen a T5 period outside of marine. All Home stuff is T8. Any fixtures I instal industry wise, are all T8 or T12. When your dealing with T12, theres NO, HO, and VHO. they alll are the same length bulbs, but the wattages are different. Only ever see one wattage rating for length of T5's

intarsiabox
09-10-2009, 01:08 AM
If you look at Big Al's web site under T5 bulbs you will find that NO is only 28 watts for 48" bulbs and HO is 54 watts for 48" bulbs. Just using Big Al's as a reference not recommending them! Coralife T5 fixtures are also NO not HO. Maybe it's just Coralife that has NO bulbs and fixtures? Home Depot also has a few fixtures on their web site. A 39" fixture (36" bulb) is only 21 watts compared to 39 watts for an HO fixture.

mark
09-10-2009, 01:42 AM
There's a chart at Wikipedia (http://en.wikipedia.org/wiki/Fluorescent_lamp)showing NO and HO

22.2" 14W(NO) 24W(HO)
34" 21W(NO) 39W(HO)
45.8" 28W(NO) 54W(HO)
57.6" 35W(NO) 80W(HO)

sharuq1
09-10-2009, 02:09 AM
That makes more sense, thanks Mark.

fencer
09-10-2009, 04:09 AM
Thanks Mark for the info........

I saw at JL that they had T5 VHO's as well

banditpowdercoat
09-10-2009, 04:13 AM
Cool, learn something every day