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Magnetic T8 Ballast

Magnetic T8 Ballast

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During some rewiring I opened up a vaportight fixture to find this gem. Appears to be magnetic. I've heard of them but never seen one before.

KIMG0289.JPG 40826298243_c2c83c257a_k.jpg Innes apartment adapter.jpg KIMG0642.jpg

Light Information

Light Information

Manufacturer:Advance
Model Reference:R-2P32-TP

File information

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Filename:40826298243_c2c83c257a_k.jpg
Album name:Bert / Fixures
Keywords:Gear
File Size:312 KB
Date added:May 06, 2019
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Date Time:2019:05:06 17:32:20
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Fluorescent05
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Zack


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May 06, 2019 at 07:27 PM Author: Fluorescent05
That is a magnetic rapid start F32T8 ballast! Nice find!

I can't pretend a stranger is a long awaited friend. -Neal Peart

Lightingguy1994
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May 07, 2019 at 12:15 AM Author: Lightingguy1994
You're going to enjoy the heck out of it, these are great ballasts. Usually rare in the wild but they do turn up on ebay
suzukir122
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suzukir123
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May 07, 2019 at 06:25 AM Author: suzukir122
Did you find this T8 Magnetic Rapid Start Ballast at complete random? If so, that doesn't happen very often.
Very reliable, strong ballast. Lucky you man

Interests:
1. Motorcycles, cars, Women, and Lighting (especially fluorescent)
2. Weightlifting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Lighting has ALWAYS been a passion of mine. I consider everyone on here to be a friend

Bert
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May 07, 2019 at 11:26 AM Author: Bert
Yup, found while I was working on a job. Actually found a second one this morning when I opened up the fixtures in another room. The customer had some off brand direct wire led's install so I happily tucked these in the truck.
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jonathon.graves johng917 GeorgiaJohn
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May 18, 2019 at 07:16 AM Author: DieselNut
Great finds! Those are super reliable and the proper way to run F32T8s!

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

Fluorescent05
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May 18, 2019 at 01:51 PM Author: Fluorescent05

Great finds! Those are super reliable and the proper way to run F32T8s!

Agreed! I want one so badly!

I can't pretend a stranger is a long awaited friend. -Neal Peart

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suzukir123
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May 18, 2019 at 07:16 PM Author: suzukir122
These are only 350 ocv? I know that's more than regular F40T12 ballasts, but I'd thought they'd be more than that lol

Interests:
1. Motorcycles, cars, Women, and Lighting (especially fluorescent)
2. Weightlifting/staying extremely athletic
3. Severe Thunderstorms of all kinds
4. Food and drinks. So gimme them bbq ribs
Lighting has ALWAYS been a passion of mine. I consider everyone on here to be a friend

Fluorescent05
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May 19, 2019 at 06:17 AM Author: Fluorescent05

These are only 350 ocv? I know that's more than regular F40T12 ballasts, but I'd thought they'd be more than that lol

Be grateful that it is low enough for the lamps to flicker at startup!

I can't pretend a stranger is a long awaited friend. -Neal Peart

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jonathon.graves johng917 GeorgiaJohn
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May 19, 2019 at 06:44 AM Author: DieselNut
It should also not fry the tubes or the ballast at EOL.

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

Fluorescent05
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May 19, 2019 at 08:27 AM Author: Fluorescent05

It should also not fry the tubes or the ballast at EOL.

That's where the electronic instant start ballast comes into play. Put EOL tubes on the electronic ballast and you will get a heck of a show! You could also use a magnetic slimline ballast, but EOL tubes may damage the magnetic slimline ballast.

I can't pretend a stranger is a long awaited friend. -Neal Peart

DieselNut
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jonathon.graves johng917 GeorgiaJohn
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May 19, 2019 at 09:04 AM Author: DieselNut
I meant that as a good thing! It is fun to fry them when you want to but only when you want to and can watch it. This type ballast is a lot safer.

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

Bert
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Jan 12, 2020 at 03:13 PM Author: Bert
Thought I'd post a little update on these.

These two ballasts have been installed in the troffers in my kitchen.

Wiring is a little creative, I wanted 2 level switching and I wanted to use these magnetic ballasts for the low setting. That's 4 lamps, one in each of the four fixtures, but I only have 2 ballasts and they are 2 lamp. End result is all the ballasts are in the fixtures to the right. The magnetic ones run the center lamps off one light switch. Then there are two 4 lamp electronic ballasts run the outside lamps on the other switch.

I put these in about 5-6 months ago and use them daily. They have been very reliable and have a nice flicker at startup also. Running some /835 philips alto T8's
Fluorescent05
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Jan 12, 2020 at 08:34 PM Author: Fluorescent05

Thought I'd post a little update on these.

These two ballasts have been installed in the troffers in my kitchen.

Wiring is a little creative, I wanted 2 level switching and I wanted to use these magnetic ballasts for the low setting. That's 4 lamps, one in each of the four fixtures, but I only have 2 ballasts and they are 2 lamp. End result is all the ballasts are in the fixtures to the right. The magnetic ones run the center lamps off one light switch. Then there are two 4 lamp electronic ballasts run the outside lamps on the other switch.

I put these in about 5-6 months ago and use them daily. They have been very reliable and have a nice flicker at startup also. Running some /835 philips alto T8's

Nice! Did you wire them to code?

I can't pretend a stranger is a long awaited friend. -Neal Peart

Bert
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Jan 13, 2020 at 07:51 PM Author: Bert

Nice! Did you wire them to code?


Of course they are.

I'm not a master electrician for nothing.
Lightingguy1994
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Jan 13, 2020 at 08:23 PM Author: Lightingguy1994
Liking your setup, nice work, exactly how i hope to have my place set up someday
Fluorescent05
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Jan 13, 2020 at 09:14 PM Author: Fluorescent05

Of course they are.

I'm not a master electrician for nothing.

How did you run the ballast output wires between lights?

I can't pretend a stranger is a long awaited friend. -Neal Peart

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Jan 14, 2020 at 12:27 PM Author: Bert
Here is two of the lights opened up. The metal flex contains the wires from the ballasts to the lamps in the left fixture.

DieselNut
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jonathon.graves johng917 GeorgiaJohn
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Jan 14, 2020 at 02:27 PM Author: DieselNut
That is an interesting setup.

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

Fluorescent05
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Jan 14, 2020 at 04:10 PM Author: Fluorescent05

That is an interesting setup.

I agree! Sometimes, though, you just can't find 4 Advance R-1P32-TP ballasts for your kitchen troffers!

I can't pretend a stranger is a long awaited friend. -Neal Peart

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Jan 14, 2020 at 07:02 PM Author: Bert

Sometimes, though, you just can't find 4 Advance R-1P32-TP ballasts for your kitchen troffers!


Finding these two was rare enough. If anyone wants to send me four 1 lamp ballasts I'd be happy to to wire this more conventionally

It works pretty well except the ballast compartment in these troffers is not really made for the magnetic ballasts. It's a bit of a tight fit in the right fixtures. Cover goes on easy on the other ones.
Fluorescent05
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Jan 14, 2020 at 09:05 PM Author: Fluorescent05

Finding these two was rare enough. If anyone wants to send me four 1 lamp ballasts I'd be happy to to wire this more conventionally

It works pretty well except the ballast compartment in these troffers is not really made for the magnetic ballasts. It's a bit of a tight fit in the right fixtures. Cover goes on easy on the other ones.

Are they newer troffers that are meant to prevent you from using magnetic ballasts?

I can't pretend a stranger is a long awaited friend. -Neal Peart

Lightingguy1994
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Jan 14, 2020 at 10:02 PM Author: Lightingguy1994
They look like they are modern enough to be designed with shallow anti magnetic channels. In those kind youd need an electronic RS T8 ballast

Id like to find some 3 lamp troffers someday
joseph_125
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Jan 15, 2020 at 02:25 AM Author: joseph_125
I believe this setup at wiring fluorescent troffers was known as tandem wiring and was common in some places for the slight energy savings in using a two lamp ballast instead of two single lamp ballasts. It was also common to switch the centre lamp in a three lamp troffer separately from the outboard lamps to allow for trilevel operation...basically allowing dimming without the expense of a dimming ballast and control.

Personally I think preventing the use of magnetic ballasts is a side effect of the smaller channels. I think the main reason is to lower the production cost of the fixture by using less material with the smaller channels. I've also noticed that residential grade and cheaper commercial fixtures were the only styles affected. Most spec grade fixtures seemed to have kept the traditional channel sizes.
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