Sylvania / Osram 49908 - QTP4X32T8/UNV-ISN-SC-B T8 Fluorescent Ballast

works well, easy fix!

Purchased 2 to replace aging Motorola ballasts that had over 10 years of 8 hours/day use. And these are a great value in just under half of what the home improvement stores sell them for and a third the cost at a lighting store.These went in very easily. The wires are attached to the ballast so I only needed to remove the wires from the bulb socket ends and plug these in.It is almost fool proof. Red wires on one end and yellow on the other end of the bulb. And the other set of bulbs get a blue wire and yellow on the other end. As long as red and blue are not on the same bulbs, its good to go, just follow the wiring schematic on the bulb.I since put in both ballasts and have purchased two more to keep as spares. I did have a bulb go bad on one of the new ballasts and it was very forgiving. Put a new bulb in and it was running again. The old ones seem to knocked out by bad bulbs. The Sylvania seem very robust. They work very well. In fact I have a spare fixture that I already have wired with a new ballast to make change out a snap. Its not really necessary, but having the spare fixture and getting the wires laid out ahead of time works for my shop.The only thing that would have been better...I should have gotten all 4 in the first place. But shipping was very reasonable. And I will order these again.

It worked for my 2 8ft single pin bulbs.I had to do a little rewiring mine. Doubled the two blues from ballast to the single blue , then connected the two reds to the single red. I connected the black from the ballast to the black power and the white to the neutral. Then I connected one yellow to the white and one yellow to the black on the light sockets on the other end. Took a little figuring and I closed my eyes when I first cut it on. They want about 50 dollars at Lowe's for a ballast , so it was worth a little figuring for me.

Bought several of these to upgrade my flourescent fixtures in our garage, laundry room and master closet. I originally tried the 48" LED bulbs in our closet and one garage fixture, and even though they were quite bright, two only lasted a few days and the cost is still astronomical. I have since re-wired the garage fixture using one of these back to flourescent and upgraded to T8 bulbs. Very bright and instant on, the old flourescents were much dimmer, whould take a lot of flickering to come on and always had magnetic waves in them. Rewiring takes a slight bit of McGiver knowledge as I re-used the tombstones that required a bit of re-engineering to get them to make solid contact with the wires. Wiring diagram is included and fairly simple. I replaced two ballasts per fixture with this one as I have 4 bulbs in each fixture. What a difference in the garage and laundry room. My wife almost needs sun glasses for our master closet. I did use 5000K bulbs rather than the warmer 2700K bulbs. But if you do as I did, get the bulbs locally, I ordered a large box from Amazon and several arrived broken. Amazon is known for their customer service, so I just contacted them and returned the entire box for a full refund. Thanks Amazon, that is why I am a loyal customer.

The ballast's I received were branded Osram not Sylvania, thank God I ordered 2 because the first one I installed lasted less than 3 months. Don't know what the warranty is because it is not stated on the products detail. If the second ballast only last 2 1/2 months, then this purchase was a total waste of money that has caused me misery because of the chewing my wife has given me for her kitchen light going out.

I purchased this 4-tube ballast to retrofit a very old non-working kitchen fluorescent light fixture, which contained a pair of 2-tube magnetic ballasts. The price was low, delivery was much faster than expected (UPS Priority Mail shipped the same day I ordered), Sylvania's 5 year in-home warranty is nice, it's silent, and the ballast is capable of driving any number of tubes, from 1 to 4. (To save money, I'm using two 32W tubes, which uses only a little more than half the power needed to drive four tubes.) Rewiring the fixture was straight-forward... some cutting and soldering of wires behind the 8 sockets.My kitchen has a second fixture, about 5 years old, which contains the same model ballast. It hasn't given me any problems, unless you count the flickering tube (Philips Alto II) that I recently needed to replace. (I actually chose to remove two of that fixture's four tubes rather than replace the flickerer. There was still plenty of light.)

Needed to check with an electrician friend about wiring, but after that it was a breeze. Instant on and I will hope that it last for a few years.Update: It only lasted 4 months. Disappointed that I only got 4 months of service, especially since I bought another one just to have on hand when the next old ballast fails. Well it was not an old ballast that failed it was the new one. Any piece of equipment can fail. I will see if the seller will warrant it.No warranty, and after installing the second one I am NOT PLEASED to report that it only lasted a month. I don't know why, my electrical buddy (licensed master electrician 20 + years) doesn't know why other. I will not buy from this vendor again. Junk as far as I am concerned.

There's a slight pause from the moment I click the switch until the lights come on (half a second) which is different that original operation before this ballast was installed but it seems to do the job and was certainly a good price. Installed in a 4-bulb ceiling fixture, replacing two OEM ballasts that were failing after 7 years of use. The bulbs were a little dark in the middle when first started. After 15-30 minutes, all four new bulbs were brightly and uniformly lit. The power up brightly every time now, albeit after that brief delay mentioned.