Overhead light burning out T12 Lights


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Old 04-19-20, 08:59 PM
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Overhead light burning out T12 Lights

The ends of the T12 are black and the lights are dim/flickering. I've went through 3 of them in a very short amount of time. Do I just have bad luck or should I be looking at the overhead assembly?

https://www.homedepot.com/p/Philips-...3421/308641064
 
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Old 04-20-20, 05:16 AM
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Whatever the cause I would purchase LED replacement bulbs and rewire your fixture according to the bulbs instructions. With the LED replacement you remove the fluorescent bulb and ballast from the equation and it gives you a brighter, more energy efficient light.
 
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Old 04-20-20, 06:32 AM
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I am with Pilot Dane.
Costs a little more but well worth it.
 
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Old 04-20-20, 07:18 AM
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I need to fix root cause first
 
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Old 04-20-20, 08:02 AM
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I do not know what you mean by root cause.
The cause is likely to be the ballast and that is removed when you convert to LED's.
 
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Old 04-20-20, 08:05 AM
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I donít want to convert Iím using the same bulbs as Iíve always had and they are suddenly burning out
 
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Old 04-20-20, 08:11 AM
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Then replace the ballast as it is the most likely cause!!!!

 
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Old 04-20-20, 08:41 AM
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Yes I’ve misread. Either replace ballast or remove and rewire for led. I don’t use the space much and I have the current bulbs so replacing might be easier

The one in suspect is a Pacific Ballast ES-240G-TP which I found on eBay for $200+. What specs do I need to consider for replacement? The wiring looks like it will take 10 minutes but just not sure which I should purchase. Do I just got a T12 ballast that is prewired for my convenience?

https://www.lighting-gallery.net/gal...s=2&pid=131987
 

Last edited by sagosto63; 04-20-20 at 09:01 AM.
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Old 04-20-20, 09:30 AM
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The one in suspect is a Pacific Ballast ES-240G-TP
Not sure what you mean. Is this what you have ?

You should really send T-12 lamps packing. Their time has come and gone.

In order to use the current generation of low mercury content tubes..... you need an electronic ballast.

T-12 electronic ballast
 
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Old 04-20-20, 10:04 AM
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When fluorescent replacement bulbs were $25 or $30 each there was some argument for keeping old fluorescent fixtures going but that they are well below $10 each it makes more sense to go LED. Even if you have a box of T12 bulbs collecting dust it is getting harder and harder to justify sticking with fluorescent.

If you are in a cold climate that is another reason to make the switch. LED's light reliably at any temperature. No more fluorescents that blink or glow dimly on a cold morning. Just flip the switch and you get full brightness right away with no warm up period.
 
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Old 04-20-20, 10:12 AM
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This is probably a reasonable ballast replacement if you want to go that direction:
https://www.homedepot.com/p/Philips-...0395/202960408

Notice that the minimum temp is 50 degrees. They make lower-temperature ballasts if needed.
 
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Old 04-20-20, 10:44 AM
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I am OK with going LED but I am not exactly sure how to handle the wiring aspect. The replacement appears very straight forward. The recommendation below is a replacement to keep using the existing T12s that I have and not LED, correct?

https://www.homedepot.com/p/Philips-...0395/202960408
 
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Old 04-20-20, 11:38 AM
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Nice Lighting-Gallery.net I am a member over there I go by the name LampLover

Personally I hate the trend of that now everything lighting HAS to be LED while they have their uses (like battery powered flashlights and emergency lighting) they are really not ready to replace HID sources and in most cases even fluorescent sources.

If you want to keep the fixture I would suggest you find a decent full power (one with a ballast factor of at least 1.0) programmed start F32T8 ballast and get two new F32T8 lamps of your favorite color temperature install the new ballast according to the wiring diagram on the ballast label and/or spec sheet
 
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Old 04-25-20, 07:37 PM
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2 quick questions:

1) Does the ballast have polarity? I didn't notice any on the wiring diagram.
2) I removed the wire from the non shunted that has 2 holes on either side. Should I re-use the inner hole? And, the wire is a tad loose even after using a pliers to tightens the metal clamp that holds the wire in place. Is that OK?
 
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Old 04-25-20, 08:13 PM
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The wires..... like red, blue and yellow have no actual polarity.

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Old 04-25-20, 08:15 PM
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I purchased the one recommended by you above. Polarity is not a concern but is it OK for a bit of wire movement in the socket? I tightened down on the metal clip with plies about as much as I can. I used a flat head to remove the metal clip so I could remove the wire and simply replaced with the new wiring on the ballast. I just expected ( assumed ) for the wire to hold a bit tighter.
 
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Old 04-25-20, 08:19 PM
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As long as it's snug..... there shouldn't be a problem.
 
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Old 04-26-20, 12:57 PM
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Back in business. I had to use zip ties as the bolt used to hold over the overhead lighting made a larger opening and would not screw into place so you couldn't tighten the wing nut.
 
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Old 04-26-20, 01:01 PM
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New life for an old fixture.
 
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Old 04-26-20, 01:04 PM
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It has sentimental value now ....
 
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Old 04-26-20, 01:08 PM
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I'm still using replacement T8 ballasts in some of my fixtures because I have 40-50 T8 lamps.
 
CircuitBreaker voted this post useful.
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Old 04-26-20, 01:24 PM
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I'm still using replacement T8 ballasts in some of my fixtures because I have 40-50 T8 lamps.
Thank You that makes me happy! great job for keeping the fluorescent fixtures alive in 2020 in the floating sea of China made LED garbage fixtures. I wish that manufacturers would saying that LED can replace HID sources they are really not ready for prime time to replace every light source maybe things that do not need an insane amount of lumens. Ex: household fixtures and table lamps. but for anything other then light (no pun intended) commercial you should stick to traditional light sources.


I also do not know how much longer those traditional light sources will be made (fluorescent High Pressure Sodium, Mercury Vapor, and Metal Halide lamps all contain mercury so there is the environmental aspect as well and most manufacturers are pretty much discontinuing all traditional light source fixtures anyway)
 
 

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