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F8W T5 night light

F8W T5 night light

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I purchased, from eBay, some 8W mini striplights from Mobern electric. One is installed in my basement as a night light. It is on 24/7. It has a GE cool white lamp. It will be interesting to see how long it lasts...

circulation.jpg oiseau.jpg veilleuse.jpg lampe_spirale.jpg

Light Information

Light Information

Manufacturer:Mobern electric
Lamp
Lamp Type:F8T5
Base:G-5
Shape/Finish:Linear fluorescent T5
Fixture
Fixture Type:Fluorescent mini batten
Ballast Type:Preheat switch start
Electrical
Wattage:8 W
Voltage:120 V
Physical/Production
Application/Use:Night light

File information

File information

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Filename:veilleuse.jpg
Album name:sol / Various
Keywords:Lanterns
File Size:157 KB
Date added:Nov 07, 2011
Dimensions:2048 x 1365 pixels
Displayed:385 times
URL:https://www.lighting-gallery.net/gallery/displayimage.php?pos=-59787
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Powell
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Nov 07, 2011 at 02:59 PM Author: Powell
Years ago I built a fixture with 2 4 watt lamps (CW) for my mother's fish tank. The bulbs lasted 24,000 ++ hours. I later modified the fixture for 6 watt lamps. The 8 watters if DECENT quality should last a bit longer.

NNNN!

sol
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Nov 07, 2011 at 03:16 PM Author: sol
Interesting... I thought an F8W lamp would last about 9 000 to 10 000 hours tops.
Powell
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Nov 07, 2011 at 03:21 PM Author: Powell
They are rated at 7500 hours at either 3 or 6 hours a start. 24 hour service really adds to the lifespan.

Powell

NNNN!

sol
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Nov 07, 2011 at 03:31 PM Author: sol
Oh yes.. I tend to forget about that. According to my calculations, 24 000 hours is equivalent to 2.7 years. That is good ; no relamping before 2015 !
don93s
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Nov 07, 2011 at 05:22 PM Author: don93s
The older T5 lamps did last pretty long but the newer China made ones don't fare so well from what I'm hearing. There are plenty of NOS vintage T5's on eBay.
sol
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Nov 07, 2011 at 05:25 PM Author: sol
Thanks, don93s. I might try that one day. For now, I want to test the GE China lamp to see how long it lasts.
don93s
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Nov 07, 2011 at 08:26 PM Author: don93s
I'd be curious too. Keep us posted.
sol
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Nov 07, 2011 at 08:52 PM Author: sol
I will let you know once it reaches eol.
TL8W
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Lee


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Nov 14, 2011 at 12:05 PM Author: TL8W
It should develop good banding @ both ends in around 4 months. These lamps burn best when run 24/7 - see pics in my T5 album.

We do not have to agree on anything to be kind to one another. The ability to be civil is available to everyone on earth, for free.

sol
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Nov 14, 2011 at 03:20 PM Author: sol
TL8W : Your album is the reason why I chose a GE lamp. If I get a chance, I will post a picture of the lamp in 4-5 months from now, with the end bands.
TL8W
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Lee


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Mar 29, 2012 at 03:33 PM Author: TL8W
That'll be cool. Should be well on the way to forming now! Cheers for the comments too

We do not have to agree on anything to be kind to one another. The ability to be civil is available to everyone on earth, for free.

sol
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Mar 29, 2012 at 03:54 PM Author: sol
TL8W : They are on the way but still a bit faint. When I get the chance, I will take a picture.
Powell
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Mar 30, 2012 at 08:31 AM Author: Powell
GE *DE* rated the Chinese T5 lamps to 5000 hours. Phillips says 7500 hours.

NNNN!

FrontSideBus
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Mar 30, 2012 at 09:19 AM Author: FrontSideBus
Good old UK ones were 8k IIRC.

Lol, it that really held up by a bit of twisted wire?

UK out of the EU!
http://www.lighting-gallery.net/gallery/index.php?cat=11271

sol
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Mar 30, 2012 at 01:42 PM Author: sol
@FrontSideBus : Yes, it was. It is now held up by two U-shaped bolts. A bit ugly, but better than twisted wires. The wires were 12 AWG solid copper, though.
streetlight98
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Mike McCann


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Dec 31, 2014 at 05:57 PM Author: streetlight98
Nice nightlight. Glad to hear you got rid of the wires though lol. BTW, are these lamps still going?

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

sol
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Dec 31, 2014 at 06:19 PM Author: sol
And now the U bolts are gone as well. I properly mounted it onto a piece of nicely trimmed wood and it is screwed into the floor joist. I should take another picture sometimes. Will be relamping soon as it has started flashing...
streetlight98
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Mike McCann


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Dec 31, 2014 at 06:41 PM Author: streetlight98
Were the u-bolts going around the outside of the fixture If so I guess that explains why you replaced them lol. I have two F15T8 versions of this fixture. they're NOS. I have them mounted in the basement but they're not hooked up, just mounted to get them safely out of the way.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

sol
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Dec 31, 2014 at 07:20 PM Author: sol
Yes, the U bolts were around the whole fixture. I do have some F15T8 fixtures as well, they are mounted in the outside basement entrance. They are very noisy though. I bought them for under cabinet lights in the kitchen but the noise was an issue. The noise is handy in the basement entrance though as I use it to test my ear plugs before using the lawn mower.

This one is a bit noisy as well but you can barely hear it. From upstairs, it is only noticeable when the lamp is at EOL as the humming is not continuous and you can hear the starter clicking as well !
streetlight98
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Mike McCann


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Dec 31, 2014 at 07:33 PM Author: streetlight98
Do the F15s looks just like this? If so, do they have long black Robertson ballasts? Mine are made by Day-O-Lite, a local Warwick-based company.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

sol
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Dec 31, 2014 at 08:01 PM Author: sol
Yes, they look just like this one, only bigger and longer. All mine are made by Mobern and have the slim Robertson chokes. I would have loved to replace them with Vossloh-Schwabe European-style chokes but they are no longer made in 120v.
streetlight98
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Mike McCann


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Dec 31, 2014 at 08:59 PM Author: streetlight98
Ah cool, I guess they're the same as mine, just bear a different manufacturer. BTW, if the lamp lasted this long on 24/7, that's really good! if it runs 24/7 you actually don't even need the starter unless there's a power interruption so if you run out of starters, you could always take this one out lol.

Hmm, you could remote-ballast a standard choke inside an electrical work box (a metal one for proper heat distribution) and run the wires back to the fixture. remote-ballasting a choke is really easy since it's just two wires and you don't even need to keep track of which wire is which since polarity doesn't matter with a choke. If you have more than one F15T8 fixture, you could actually mount all the ballasts in one box if you wanted, though if there's more than two I'd make them separate.

Please check out my newly-updated website! McCann Lighting Company is where my street light collection is displayed in detail.

sol
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Jan 01, 2015 at 05:30 AM Author: sol
I've thought of remote ballasts, but never gotten around to it.
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