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Old 03-07-2018, 07:03 PM   #1
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Fluorescent lighting


I have a 6 bulb fluorescent light that I got from work that has two 347v to 480v ballasts that I want to be made to plug into a wall outlet. Is it safe to just wire it up to a plug or would I have to do something else?
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Old 03-07-2018, 08:16 PM   #2
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Re: Fluorescent lighting


347 volt ballast? Was it from a commercial setting?
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Old 03-07-2018, 08:34 PM   #3
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Re: Fluorescent lighting


You can not just add a cord and plug it in. You need to change the ballast(s) to 120 volt versions.
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Old 03-07-2018, 08:38 PM   #4
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Re: Fluorescent lighting


I would just convert it to led, no ballast needed.
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Old 03-08-2018, 08:47 AM   #5
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Re: Fluorescent lighting


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Originally Posted by Nealtw View Post
I would just convert it to led, no ballast needed.
Neal beat me to it. But I should add, make sure you get the LED tubes which work without a ballast. Some "drop in" tubes only work with a specific ballast. Sometimes you need to read the fine print.
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Old 03-08-2018, 09:21 AM   #6
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Re: Fluorescent lighting


I agree completely with converting it to LED. You would need to replace the ballast to make it work at home. At some point in time you won't be able to replace the fluorescent bulbs anyway, and in the meantime you put up with the occasional if not regular flickering and hum. And when it does flicker or hum, is it a bulb or the say $50 ballast? So eliminate the ballast completely, and in place of a heavy and expensive ballast, using the LED vernacular, you will use bulbs that have "drivers". The drivers serve in place of a ballast. I am in the process of converting nine 8' fluorescent fixtures in my shop to LED and although I was initially a little hesitant can tell you for certain that you won't regret it. If the bulbs in your fixture are T12, I believe that you will need to replace the tombstones with T8 ones, because I do not think that T12 LED tubes are available, but that will take all of a few minutes, and you will not lose anything as far as the amount and quality of light.
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Old 03-08-2018, 01:15 PM   #7
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Re: Fluorescent lighting


the price you are going to pay for retro-parts, you could spend on a modern day complete fixture...
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Old 03-08-2018, 02:30 PM   #8
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Re: Fluorescent lighting


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the price you are going to pay for retro-parts, you could spend on a modern day complete fixture...
Agreed. Not worth it, or the effort.
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Old 03-08-2018, 03:02 PM   #9
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Re: Fluorescent lighting


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the price you are going to pay for retro-parts, you could spend on a modern day complete fixture...
Maybe. Prices, circumstances, etc. vary of course, and maybe I'm getting a sweeter deal than I realized, but similar quality 8' fixtures would have easily cost me an additional $50 a piece more. With ten fixtures I considered that significant. And, in my case anyway, more than half the battle is moving equipment around in order to get a 12' step ladder or extension ladder set up in the right places, so an additional 10-15 minutes to convert them over is not too significant. So yeah, for one or two fixtures that are easy enough to reach, and if you have to spend much time finding the right kits and bulbs, maybe it makes sense to throw the old one away and buy a new one.
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Old 03-08-2018, 03:51 PM   #10
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Re: Fluorescent lighting


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I agree completely with converting it to LED. You would need to replace the ballast to make it work at home. At some point in time you won't be able to replace the fluorescent bulbs anyway, and in the meantime you put up with the occasional if not regular flickering and hum. And when it does flicker or hum, is it a bulb or the say $50 ballast? So eliminate the ballast completely, and in place of a heavy and expensive ballast, using the LED vernacular, you will use bulbs that have "drivers". The drivers serve in place of a ballast. I am in the process of converting nine 8' fluorescent fixtures in my shop to LED and although I was initially a little hesitant can tell you for certain that you won't regret it. If the bulbs in your fixture are T12, I believe that you will need to replace the tombstones with T8 ones, because I do not think that T12 LED tubes are available, but that will take all of a few minutes, and you will not lose anything as far as the amount and quality of light.
T8 and T12 use the same tombstones.

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Old 03-08-2018, 03:54 PM   #11
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Re: Fluorescent lighting


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Maybe. Prices, circumstances, etc. vary of course, and maybe I'm getting a sweeter deal than I realized, but similar quality 8' fixtures would have easily cost me an additional $50 a piece more. With ten fixtures I considered that significant. And, in my case anyway, more than half the battle is moving equipment around in order to get a 12' step ladder or extension ladder set up in the right places, so an additional 10-15 minutes to convert them over is not too significant. So yeah, for one or two fixtures that are easy enough to reach, and if you have to spend much time finding the right kits and bulbs, maybe it makes sense to throw the old one away and buy a new one.

my response was intended for the OP....
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Old 03-08-2018, 04:35 PM   #12
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Re: Fluorescent lighting


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T8 and T12 use the same tombstones.

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Thank you, I was thinking that some of them were the same, but my T12's are the spring loaded single center pin ones, and the LED bulbs I'm using are a two pin 1/4 turn. And my new LED bulbs are 4' whereas the original T12's were 8', so I needed to add tombstone in the middle anyway and the kits I'm using have all of that.
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Old 03-08-2018, 04:40 PM   #13
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Re: Fluorescent lighting


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my response was intended for the OP....
No problem, I understand. A lot of choices, depending on circumstances, etc., which is why I ended with "maybe it makes sense to throw the old one away and buy a new one". Wasn't being sarcastic, because that really may be the right way to go in some cases. I guess my point OP is that you can't use it as is due to the ballast being wrong, so why spend any money for a ballast to make fluorescent bulbs work when you can invest somewhere in the same range to go with LED and be glad that you did.
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