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HO Tube Problem

CamarosRus

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Renton, WA (Seattle)
My shop with 13' Ceiling has 4 Rows of 8' Fixtures with HO Tubes/Bulbs

I ordered/received new PHILLIPS F96T12/HO-O ALTO

Installed 2 New Bulbs in each of two Fixtures and nothing lights up

I dont know how to troubleshoot what my problem might be ???

Can you help.....

The electrical ends are similar but different
 
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pattenp

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I just replaced a HO ballast. Both tubes went out at same time so it was the ballast because normally one tube goes out at a time leaving the other tube lit. It's slim odds two tubes burn out exactly at the same time. And yes you need ballasts that are for HO tubes. How are the tube ends similar but different? The ends are a R17D connector.
 
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mm08822

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Swap working lamps from another fixture. Even put the "bad" lamps into a working fixture.
 

kbuhagiar

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Escondido, CA
Maybe it's time to consider starting an LED-conversion project?
The cost of new HO ballasts (to support an obsolete technology) may be more than the cost to convert some of your fixtures to LED tubes.

Full disclosure - once you have a few LED tubes installed they'll make your existing fluorescent lighting look so bad you'll want to convert 'em all...
 

sparky 1971

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Central Iowa
How do you know "The ballasts are shot"

Just the logical conclusion....

Do I need HO Ballasts ???
Because good lamps require a good ballast. If neither lamp works it's either the ballast is bad or there is no power but since only two of the fixtures aren't working, it's likely that you have power. Yes, you need HO ballasts, they are easy to change and should be available at any box store.

HO florescent fixtures give off better light than the LED replacement tubes so I'd stick with fixing what you have rather than converting to LED.
 

Bert_

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If they are 90's advance ballasts then even the ones that "work" are probably bad. They have a capacitor inside that dries up and then it under drives the lamps. It will still work but the lamps are dim. Seen a ton of them this way.
 
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CamarosRus

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8 ft. LED T8 Tube - 5000 Kelvin - 5500 Lumens - Type B - Operates Without Ballast


$19.36 x case of TEN $193 Free Shipping

I'm challenged on cutting the wiring to eliminate the ballast, but may be able to figure it out ????????
 

LXCam

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AZ
Wiring is pretty simple. On end goes to the neutral and the other end to hot. If it has two wires per end they tie together and do the same thing.

IMG_8009.png
 

sparky 1971

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8 ft. LED T8 Tube - 5000 Kelvin - 5500 Lumens - Type B - Operates Without Ballast


$19.36 x case of TEN $193 Free Shipping

I'm challenged on cutting the wiring to eliminate the ballast, but may be able to figure it out ????????
Cut the wires off of the ballast, the hot goes to the sockets at one end and the neutral goes to the sockets at the other end.
 

pattenp

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If they are 90's advance ballasts then even the ones that "work" are probably bad. They have a capacitor inside that dries up and then it under drives the lamps. It will still work but the lamps are dim. Seen a ton of them this way.
It's ashame they fill the ballast with the black resin. It would be cheap to repair if it was just a capacitor. But we know why they make them not repairable. Lost $$$.
 

Norcal

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It's ashame they fill the ballast with the black resin. It would be cheap to repair if it was just a capacitor. But we know why they make them not repairable. Lost $$$.
The potting compound is for heat transfer & sound control.
 

reader2580

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Yes, I'm aware of the actual technical use of the resin. It's just aggravating to think it possibly could be repaired for a couple of dollars if it was just a capacitor.
How many customers would actually repair them? The majority of commercial customers would find it cheaper to replace the ballast rather than have someone repair them.
 
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Bert_

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Yes, I'm aware of the actual technical use of the resin. It's just aggravating to think it possibly could be repaired for a couple of dollars if it was just a capacitor.
Once you know where the capacitor is it's not that bad. Still a total waste if you value your time but I did a couple just to experiment.

Only picture I could find of the capacitors. The capacitors are in series and I tried to put in balancing resistors. Apparently they should have been higher value. I cut the resistors out and it's been fine.
 

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pattenp

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How many customers would actually repair them? The majority of commercial customers would find it cheaper to replace the ballast rather than have someone repair them.
I'm not talking about repairing them as a service. As an individual DIY'er I'd attempt to repair one for myself if it wasn't a hassle.
 

pattenp

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8 ft. LED T8 Tube - 5000 Kelvin - 5500 Lumens - Type B - Operates Without Ballast


$19.36 x case of TEN $193 Free Shipping

I'm challenged on cutting the wiring to eliminate the ballast, but may be able to figure it out ????????
Be aware with the 8ft led lamps the 1000bulbs seller states they will not cover any shipping damages that occurs to lamps over 4ft. So you're on your own dealing with the carrier if damaged on arrival. I would convert to 4ft led lamps and not deal with the 8ft ones.
 

cybrdyke

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Be aware with the 8ft led lamps the 1000bulbs seller states they will not cover any shipping damages that occurs to lamps over 4ft. So you're on your own dealing with the carrier if damaged on arrival. I would convert to 4ft led lamps and not deal with the 8ft ones.
Not only that, but there's no such brand as PLT. It's just some initials made up by the owner of 1000bulbs.com. He buys product from the lowest bidder and has the PLT labels put on them. He's trying to create the illusion that you're buying a real brand and not just some generic low-level garbage.
CD
 
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CamarosRus

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Renton, WA (Seattle)
My Invoice had this................and Tubes are Printed with Same
Philips 38177-4 - F96T12/D/HO-O/ALTO - High Output T12s 110 Watt - 6500 Kelvin - 6800 Lumens - Case of 15

Tubes were DoubleBoxed and then had Long Edges Reenforced more with Heavy Angle Cardboard.......No Damage
 

Norcal

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The 110 watt HO tubes are considered cold weather lamps, as a federal energy law made the 95W reduced wattage lamps the "standard lamp" , I bought a case of 110W lamps right after that & still have not opened the case. :)
:)
 

Bert_

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The 110 watt HO tubes are considered cold weather lamps, as a federal energy law made the 95W reduced wattage lamps the "standard lamp" , I bought a case of 110W lamps right after that & still have not opened the case. :)
:)
110 are STILL available. They just say "cold temp use only" on them.
 

pattenp

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The 110 watt HO tubes are considered cold weather lamps, as a federal energy law made the 95W reduced wattage lamps the "standard lamp" , I bought a case of 110W lamps right after that & still have not opened the case. :)
:)
I was just shopping for HO tubes. I currently have 95W lamps but could only find 110W ones. I checked the Phillips site and it list the 95W lamps as discontinued. I was thinking to covert to led and found 4' ultra high output led lamps. Problem is they're $20 each. I need 24 of them.
 

Norcal

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I was just shopping for HO tubes. I currently have 95W lamps but could only find 110W ones. I checked the Phillips site and it list the 95W lamps as discontinued. I was thinking to covert to led and found 4' ultra high output led lamps. Problem is they're $20 each. I need 24 of them.
If you were closer, I'd make a deal for that case of 15, they may have been manufactured when GTE still owned Sylvania.
 

Bert_

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If you were closer, I'd make a deal for that case of 15, they may have been manufactured when GTE still owned Sylvania.
Those are probably great lamps. I was partial to GE until they quit making them themselves. Now you get a Philips lamp with the GE label.
 

pattenp

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My Invoice had this................and Tubes are Printed with Same
Philips 38177-4 - F96T12/D/HO-O/ALTO - High Output T12s 110 Watt - 6500 Kelvin - 6800 Lumens - Case of 15

Tubes were DoubleBoxed and then had Long Edges Reenforced more with Heavy Angle Cardboard.......No Damage
Those for $142 is a good price. Retail locally for me is $240 for a case of 15.
 

Norcal

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Those are probably great lamps. I was partial to GE until they quit making them themselves. Now you get a Philips lamp with the GE label.
I gave up on GE fluorescent lamps years ago, too many bum lamps out of the box, only had 1 bum lamp with Sylvania so only use them and Phillips.
 

cybrdyke

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USA
My Invoice had this................and Tubes are Printed with Same
Philips 38177-4 - F96T12/D/HO-O/ALTO - High Output T12s 110 Watt - 6500 Kelvin - 6800 Lumens - Case of 15

Tubes were DoubleBoxed and then had Long Edges Reenforced more with Heavy Angle Cardboard.......No Damage
Those are gonna be really far on the blue side of white. That's what the D is for. They might be OK for you, but most folks find them annoying.
CD
 
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