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Ballast fail after EOL?

Ballast fail after EOL?


My kitchen lamp EOLed finally after months of showing signs... the EOL with this ballast
was fairly entertaining. (Valmont Bonusline rapid start, HPF, 0.80amps, 0 degree start temp)
It should have higher OCV than most normal output rapid start ballasts. I've bought five of them several months back... however...these ballasts seem not to handle 4 foot EOL lamps very well. At first after EOL, the lamps flickered dimly, but flashed numerous times. Then suddenly, both lamps stopped flashing and the 34 watt in series with the EOL 40 watt, went to partial discharge, as you can see in this picture. That 34 watt lamp is actually on the lead side of the ballast, and the 40 watt is on the lag. The 34 watt lamp normally shouldn't be this dim on the lead end. With two working lamps, the lag side seems to light up first, then the lead, before both lamps strike. Also, the lag side is a lot dimmer than what is shown in this picture. These lamps no longer even attempt to light at this point. Does anyone know what may have happened? 4 out of 5 of these ballasts did this. 3 of them with 40 watt lamps in series.
The fixture with working lamps at the top of the screen has the same type of ballast, and another lamp that will be going EOL very soon. That ballast is the only one, of the 5, that works correctly. This may soon change.
Lamps in use in this picture:
F40 Sylvania Cool White Plus (EOL)
F34 Sylvania Lite White Delux III (close to EOL)
F34 Sylvania Cool White
F40 Philips Cool White (very close to EOL) (No shield guards)

IMG_20170704_015737.jpg instantaneous.jpg WIN_20161115_00_36_36_Pro.jpg IMAG0847.jpg

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DieselNut
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Nov 15, 2016 at 09:44 AM Author: DieselNut
Does it work properly with good tubes installed?

Preheat Fluorescents forever!
I love diesel engines, rural/farm life and vintage lighting!

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Nov 15, 2016 at 10:32 AM Author: suzukir122
Yep. With two working lamps, all 4 of the ballasts seemed to work just fine, unless its two 34 watt lamps in series with each other.
But when two working lamps light up successfully, its almost as if nothing is wrong.

Interests
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3. Severe Thunderstorms of all kinds
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Nov 15, 2016 at 11:04 AM Author: ace100w120v
Those fluorescent drop ceilings in '70s-'80s kitchens bring back childhood memories for me.
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Nov 15, 2016 at 11:04 AM Author: Lightingguy1994
Ive seen this occur on just about any magnetic rapid start ballast, both ones in my collection and also ones in schools back in the day, once relamped they work fine. Only seems to happen when 34w lamps are in use
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Nov 15, 2016 at 02:05 PM Author: suzukir122
@Lightingguy1994, This also occurred with 40 watt lamps in use. Its easy to tell when it happens, since both lamps immediately stop flashing
and get incredibly dim. Its almost as if the lead acts as a lag during start up, and EOL.

@ace100w120v, @lightingguy1994, @dieselnut, soon I'll have a video up of all of my lighting in my apartment. Not much compared to you guys, but
still fairly interesting!

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 15, 2016 at 07:05 PM Author: don93s
Not to be be picky, but "lead-lag" doesn't apply to series lamps, lol. Anyway, I have a few of these from Power Products....probably the same ballast acquired from Valmont, which came from GE. I've EOL'ed lamps in them several times without any noticeable ill effects. I did have one ballast, while still fairly new, go bad with good 40w lamps though. I was under it when, for no reason, it just went dim like EOL then sputtered out. I replaced the ballast and the same lamps were fine. I think the cap totally crapped out.
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Nov 15, 2016 at 07:35 PM Author: Cool white 79
What does lead lag apply to then other than a preheat ballast. I always thought 2 lamp rapid start ballasts had lead lag set up. The bulb that lit dimly between the blue and yellow wires was the lead lamp.
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Nov 15, 2016 at 07:45 PM Author: suzukir122
Ahh... I always thought the lamp that lights up dim first upon start up was the lead, and the lamp second before the lamps fire up, was lag.
haha... well still, you get what I mean. The lamp that should light up first, no longer does. Could it be a capacitor issue?
Its tough to explain. I found a temporary fix though... if I use two working lamps, and unscrew one of them while lit (which I hate doing)
then quickly screw it back in place, it works like normal again. But then I hear a faint zap noise from the ballast, and it goes
right back to having the same issue. Again, its all very tough to explain.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 15, 2016 at 07:46 PM Author: suzukir122
@Cool White 79, I got mixed up. I thought lead-lag applied to rapid start ballasts, but I was wrong.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 15, 2016 at 11:43 PM Author: don93s
The lead-lag applies to a two-lamp circuit where one lamp has a capacitor in series with one secondary ballast coil output while the other lamp is just connected to the other secondary coil output ...and, the lamps operate independently. The capacitor shifts the AC current waveform 90 degrees on the one lamp from the other lamp connected directly to the other coil. Hence, in simple terms, since I forget most of the math lol, one waveform 'leads' while the other 'lags' (by that 90 degrees).

Three types of 120v magnetic ballasted fluorescent circuits use this commonly:

1. The famous original design Tu-Lamp 2x40w preheat ballast; 2. the original Slimline instant-start two-lamp ballast (before series two-lamp came out); and, finally, 3. the two choke preheat sometimes found in higher quality drafting lamps such as Dazor 2x15w. In the latter, it's the same principle as the 2x40w preheat ballasts but uses separate 120v chokes (North America) with one of the chokes in series with an additional capacitor for one of the lamps.

The lead-lag has two benefits. First, the normal flicker in fluorescent lamps (noticed by some people more than others) becomes less noticeable because when one lamp is on the down-cycle, the other lamp is on the up-cycle, so the flicker gets cancelled out between the two lamps, hence, "Stroboscopic Corrected" labeled on some vintage PH ballasts. Second, it raises the power factor since the inductive and capacitive currents cancel each other out and leave only resistive or true wattage current...I hope I explained that last part right, lol. Been many years since I studied that stuff. Other members here might explain better.
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Nov 16, 2016 at 12:31 AM Author: suzukir122
Ahh so its the two lamp hpf preheat ballasts (I see those from time to time on ebay) and slimline instant start, that have the lead lag, not rapid start. I probably got mixed up years ago when someone mentioned lead-lag on LG, and remembered that particular ballast being rapid start, when it was actually slimline. If that happened, I wouldnt be surprised, since I can be VERY forgetful. Seriously. Although I've been a lighting enthusiast since 20+ years ago when I was only 6, I'm not nearly as intelligent as anyone on LG in terms of the
major details about how ballasts work. Mainly the small, more obvious details.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 12:41 AM Author: don93s
When I first joined LG back in '06, I mistakenly thought that the series-slimline ballasts were also lead-lag because when the lamp on the red-wire side went EOL, it strobed, typical of a capacitor blocking the DC current, and the blue-wire side rectified, allowing DC current. But later I learned that it's a unique design called 'series sequence start' or something like that. The cap does start one lamp first, but once both lit, they are on the same phase in series, so technically not lead-lag. The early slimlines, however, were not series and one lamp could be lit separately from the other, and the cap was only connected to one of the lamps.
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Nov 16, 2016 at 01:21 AM Author: suzukir122
This is also info I did not know. So the early slimlines operated differently? Im actually curious enough to buy an earlier slimline ballast if that is the case, especially since I'm a fan of violent EOL

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 09:56 AM Author: don93s
There are a few that come up on eBay . Even though they were obsolete after the series version was introduced, they were still made as replacements until fairly recently. They are much larger and both lamps share the same common wire on the line side. The sizes ranged from F42T6 up tp F96T12. The F96T12 version I have is a total monster. Even the 'lag' side melts electrodes as it rectifies an EOL lamp. Pretty cool.
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Nov 16, 2016 at 01:19 PM Author: ace100w120v
Wow, that one you liked to is huge! I doubt that would even fit in an '80s -'90s strip light!
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Nov 16, 2016 at 03:57 PM Author: suzukir122
Yeah that ballast is a monster... I don't know whether its as big as an HO ballast, or VHO... or in between.
But man... no idea if I've ever seen one of these in use. If I have, the fixture had to have been huge!
I'm going to keep an eye on that ballast and see if I snag one of them up from ebay, after the next paycheck!

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 04:40 PM Author: nicksfans
I had NO idea lead-lag Slimline ballasts were made that late! I thought they were dead and gone by the late '50s or early '60s.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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Nov 16, 2016 at 05:26 PM Author: don93s
Yeah, these would have to go into an /HO or /VHO type fixture...or a really old-school slimline fixture. I'll get a pic of my 2xF96 lead-lag ballast next to a regular series 2xF96 for comparison.
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Nov 16, 2016 at 05:37 PM Author: don93s

Yeah that ballast is a monster... I don't know whether its as big as an HO ballast, or VHO... or in between.
But man... no idea if I've ever seen one of these in use. If I have, the fixture had to have been huge!
I'm going to keep an eye on that ballast and see if I snag one of them up from ebay, after the next paycheck!



BTW, there's a couple of them on eBay for 2xF96T12 lead-lag. The part number to search is 806-A-TC-P.

I have to dig mine out, but I think it's the same brand. It drives F96 brighter than regular 1.45a series version, lol.
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Nov 16, 2016 at 05:55 PM Author: nicksfans
Slightly cheaper one here.

I think my 4-lamp louvered Slimline fixtures may have come with lead-lag ballasts originally. The original mounting screw spacing is longer than that for a modern Slimline ballast, and there's definitely room in the fixtures for an HO/VHO sized ballast.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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Nov 16, 2016 at 06:04 PM Author: suzukir122
So these versions actually drive lamps brighter? I'm definitely interested in buying one, as well
as a fixture to put it in, but that will be the toughest part. I also noticed the minimum start up temp is 0 degrees.
There are A LOT of those ballasts on sale on ebay, it seems. So theres numerous chances to buy them.
I wonder if there are any more 0 degree, 2 lamp rapid start ballasts on sale. Maybe I could buy them, and
replace the two valmont ones in my kitchen. Ive never seen the Universal versions of them. Only Valmont/GE.
If there were Universal versions of the 0 degree normal output R.S two lampers, Id buy them easily!

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 07:12 PM Author: don93s
The ones I tested drove lamps higher than the typical 430ma. That was for the F48 one as well as the F96 one and remember being a bit surprised at the number. Also, I just got a lead-lag for 2xF72t12 as well....it's time I dig it out to test it as well!
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Nov 16, 2016 at 07:20 PM Author: suzukir122
430ma... its funny you mention that because the two valmont ballasts in my kitchen fixtures run lamps at this current as
well. I've noticed that the lamps, although still bright, are a noticeably dimmer than the previous ballasts I installed into those
fixtures. (Both were old school Universals)
Do you know the exact number of the lead lag slimlines? Is it more like 460ma?

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 09:15 PM Author: don93s
I don't usually trust the stated current ratings on ballasts. First, because of manufacture variance, especially the capacitor....just a few tenths of a micro-farad difference can change lamp current quite a bit, second, sometimes the way it's worded..."430ma lamps" could mean the lamps are rated 430ma but the ballast may drive them much lower. I usually just measure the current with my Fluke Multimeter.

As for those 0 deg F rated 2x40w ballasts, I have them from GE (Power Products, Valmont), Universal, and Advance. All of them seem to actually operate 40w lamps at around 320-330ma. But they are also rated for 30w lamps as well, so that might be a factor in the lower current for 40w.

I will test my slimline ballasts and measure the currents and let you know.
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Nov 16, 2016 at 09:37 PM Author: suzukir122
Ive also noticed that these ballasts can run 32 and 22watt circline lamps. Ive tried that, and honestly I think
these ballasts ran those the best. I'll be on the look out for the Universal and Advance versions of them on Ebay
but so far, I've found none.

And yep, that would be awesome. I've always thought slimlines seemed a little bit dimmer than normal output rapid start lamps

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 09:38 PM Author: nicksfans
I've also noticed that Slimlines generally appear dimmer than F40s.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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Nov 16, 2016 at 09:55 PM Author: don93s
Here you go: eBay link

Universal part number: W-589-D-TC-P There's a few that come up.

Edit....oops, fixed the link. Also, try 'W589 ballast' too. That will bring up others as well.
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Nov 16, 2016 at 10:01 PM Author: don93s
Advance Version RC-2SP40
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Nov 16, 2016 at 10:11 PM Author: nicksfans
http://www.ebay.com/itm/NEW-Magnatek-RAPID-Start-120-Volts-BALLAST-W589-D-TC-P-for-2-F30-F40-FC12-FC16-/291256515763?hash=item43d03dbcb3:g:u8cAAOSw7NNUKxQy

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Nov 16, 2016 at 10:13 PM Author: don93s
I must be tired, had to fix my link like three times, lmao!
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Nov 16, 2016 at 10:24 PM Author: suzukir122
The first link you sent, brought me to one of your pics. (4x15 color lamps) which is awesome because its unique. Gives
me ideas for potential lighting projects. But I did copy/paste the part numbers and checked on ebay, and found them. Very, very awesome!
I'll be buying them when I get the chance as well, to replace the valmont ones.
Thanks Don93s! Been looking for these for a long time

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 16, 2016 at 10:30 PM Author: suzukir122
Yeah I copied and pasted the part number and found different sellers selling the same ballasts.
I will definitely be buying it as soon as I can. Hopefully those ballasts don't end up doing the same
thing the valmont ones did. Thanks again. I'll also be trying to get one of the lead lag slimline ballasts
as well.
@nickfans, yep thats another great one... great price as well. I just wish they took a pic of the actual
ballast! lol

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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^homebuilt fixture


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Nov 16, 2016 at 11:34 PM Author: xmaslightguy
My kitchen had a setup very similar to this 2 2' by 4' sections, each with a 2xF40 strip down the middle...

First upgrade to that was to gut the top out of it (needed to get up in the ceiling anyway) and replaces the striplights with 4xF40 troffers (not using their lens/cover, keeping the original wood frame intact). It looked a hell of allot better!

Second upgrade was to convert the F40T12's to F32T8/electronic (done to save power) no real diff in looks

The Third (and final) upgrade as part of a kitchen remodel, I gutted the entire ceiling & removed all the lights. New lights are 3 2xF28T5. Having nice slim fixtures spread out looks way better/more modern.

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Nov 17, 2016 at 12:23 AM Author: suzukir122
I really really wish I could do the same, because that would look a lot better, and I'd have 8 T12 lamps and 4 rapid start ballasts. Unfortunately I cant since these fixtures arent mine. Lol... but I definitely did my landlord a favor by replaceing the crap-mazing ballasts they had in there before. (advance electronic rapid start ballast, and cheapo shop light type ballast.) The advance ballast does seem like a pretty cool ballast to use for EOL shows though!

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 25, 2016 at 12:20 AM Author: don93s
@suzukir122 As for those lead-lags, found another one on ebay.
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Nov 25, 2016 at 01:06 AM Author: suzukir122
Thats another awesome looking one... and its an Advance version. I will definitely be trying to obtain some
when I get a chance. Ive always been confused in terms of what "Cut Out Lampholders" meant. Does that mean
there are specific/different type of lamp holders that must be used?

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1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 25, 2016 at 01:54 AM Author: nicksfans
Cutout lampholders open the circuit to de-energize the ballast when a lamp is removed. The Slimline ones accomplish this by having two contacts that both touch the lamp pin when a lamp is inserted. The fixed lampholder is the cutout lampholder and the spring-loaded lampholder is the non-cutout.

The reason cutout lampholders are used, I believe, is so that if you're relamping with the power on, you won't get a shock if you stick one end of a lamp into the spring-loaded lampholder and touch the pin on the other end. I suppose the voltage is high enough that an arc could strike through the lamp, completing the circuit to ground through you.

I like my lamps thick, my ballasts heavy, and my fixtures tough.

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Nov 25, 2016 at 02:42 AM Author: suzukir122
Yeah Ive always wondered what would happen if I touched the pins on one side, and kept the pins on the other
inside the socket. Good thing I haven't tried that! Last time Ive gotten shocked (completing the circuit) was
with my rechargeable lantern I had years ago. If you unscrew the top of the lantern, there's a metal stem at the
top of a metal bar in between the two lamps inside the lantern. I turned on the lantern to the "1 lamp" position,
and pressed my thumb down in between the pins of the lamp being operated, and that metal stem. When the lamp struck
successfully, I got shocked. And it hurt. I've done some stupid things, but I'll admit, that was pretty bad.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Mar 25, 2017 at 08:54 PM Author: streetlight98
So did you resolve this? If they work normally with new lamps, problem solved.

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

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Mar 25, 2017 at 09:20 PM Author: suzukir122
All lamps did not work normally upon start up and the problem began to worsen before I completely replaced
the ballast. The replacement ballast I got was a 0 degree RS ballast, much like the GE bonusline it's replacing,
only Magnetek, Universal. Haven't had a problem with the Magnetek ballast so far and it's been a little over 4 months.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Mar 25, 2017 at 09:25 PM Author: streetlight98
Ah I see. Are these ballasts not grounded by any chance? I only ask because I've seen some magnetic RS ballasts that work fine ungrounded for years and then as they begin to age they struggle to start. Happened with my grandpa's troffers from the 90s. They worked fine ungrounded until the past five years or so. New lamps fix the problem temporarily but after a few hundred hours the lamps start struggling to start. It's only on a few ballasts. The fixtures have ground wires attached to them in most cases but the grounds don't trace back to anywhere since the fixtures are spliced onto ungrounded cloth-wrapped romex. My solution is installing T8 IS ballasts in the fixtures where both ballasts struggle to light the lamps. I use Sylvania Quicktronic ballasts. Love them.

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

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Mar 25, 2017 at 09:58 PM Author: suzukir122
Yep both fixtures were grounded and also there was electrode filament heating on all four lamp ends like normal. (Except in this pic with the EOL lamp)
Everything was completely fine until the ballasts saw an EOL lamp. That is when the problems began.
I'm sure these ballasts would work fine ungrounded since they should have higher OCV than most RS ballasts, but I always make sure there's
a proper ground to any fixture I work on. I'm a little bit... OCD about that.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 02, 2018 at 04:50 PM Author: Fluorescent05

Those fluorescent drop ceilings in '70s-'80s kitchens bring back childhood memories for me.

I love those too, too bad I was born too late to grow up with one.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Nov 02, 2018 at 04:58 PM Author: suzukir122
@Fluorescent05,
Nah, don't say that because I was born a little later as well and here I am with these kitchen fixtures. lol...
been here for the last 3 years now.
I've since replaced both ballasts a while ago,... re-installed the Advance Centium electronic "Rapid Start" ballast, (came with
this apartment) and replaced the other RS cold temp ballast with a 0.67amp 87% power factor Universal magnetic Rapid Start ballast.
I did this a while ago due to being job-less, and the threat of eviction. Now that I got passed all that, your commenting to
this pic reminds me that I need to get these fixtures back running with stronger Rapid Start magnetic ballasts.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 02, 2018 at 06:05 PM Author: Fluorescent05

@Fluorescent05,
Nah, don't say that because I was born a little later as well and here I am with these kitchen fixtures. lol...
been here for the last 3 years now.
I've since replaced both ballasts a while ago,... re-installed the Advance Centium electronic "Rapid Start" ballast , (came with
this apartment) and replaced the other RS cold temp ballast with a 0.67amp 87% power factor Universal magnetic Rapid Start ballast.
I did this a while ago due to being job-less, and the threat of eviction. Now that I got passed all that, your commenting to
this pic reminds me that I need to get these fixtures back running with stronger Rapid Start magnetic ballasts.

Those Advance Centium electronic "rapid start" ballasts suck. I replaced a magnetic rapid start ballast in a troffer with one and it only lasted one hour. The startup is like this: The ballast does nothing for about 6 seconds, squeals and instant starts the lamps, and stops squealing.

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Nov 02, 2018 at 06:26 PM Author: suzukir122
With mine, I don't get any squealing at all. I've never even heard buzzing from the ballast, no matter how hard I've
tried to pick up noise from it. (I've even put my ear close to it, during EOL experiments, and during normal operation.)
The one I have does have a slight delay before starting up the lamps though... less then 1 second of no light, then the
typical dim to bright, like the magnetic ballasts. I couldn't agree more that the Advance Centium "Rapid Start" ballasts
suck, so I'm going to get it replaced ASAP. It's only in there because I almost got evicted while I was job-less. I'd rather
take my quality lighting gear and leave the crap, then take crap and leave the quality lighting gear.
I'm far, far from being evicted now though, so work on these two fixtures will definitely happen.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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Nov 02, 2018 at 07:33 PM Author: Fluorescent05
Does the light box have diffuser panels that cover the bottom?

Don't be fooLED, T8 IS the worst thing to do to a magnetic T12 fixture.

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Nov 02, 2018 at 10:53 PM Author: suzukir122
That little wooden plank looking thing in the middle is what holds up the diffusers lol.... for me, it's NOT easy putting back
those diffusers after completely taking them out lol

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

xmaslightguy
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^homebuilt fixture


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Nov 03, 2018 at 10:17 AM Author: xmaslightguy
When I had a setup like this, the center wood thing that sticks up inside was shorter...I found it much easier to just push up the diffuser from whichever side I needed into, & slide it over to the other side
Like you say, it was kind of a pain putting them back in if fully removed.

Colored Fluorescent's such as F40T12 Red or  Green or Blue are awesome...

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Nov 03, 2018 at 10:34 AM Author: suzukir122
I prefer having it without the diffusers, honestly. It makes the kitchen a little too bright, but I like it a lot.

Interests
1. Motorcycles, Women, and Lighting (especially fluorescent)
2. Weighting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Yep
Lighting has been a passion of mine since I was born. I consider everyone on LG to be a friend

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