Brand: SYLVANIA Family: Quicktronic Part No.: 49943 Voltage: 120/277 Ballast Factor: 0.88 For 1 or 2 Bulbs Highlights: 120/277V No of Lamps: 2 Power Factor: 10 Professional grade Low, Medium & High ballast factor Ballast Type: T8 Instant Start
Amazon's price on this item is wonderful. Shipping was very prompt, and item arrived in sturdy packaging with no damage. Ballast performs very well with T8 tubes, but with one unhappy side effect--it interferes seriously with reception of several channels on our Sharp Aquos HDTV when in use. It is installed in a separate room from the TV. We have three TV sets on an antenna system, but only the one suffers from this interference. I was tempted to buy five of th..
If you are reading this you probably came here after watching the "Ben Krasnow: Shop lighting upgrade" video on youtube, if not, you should go watch it. He highlights why he chose this line of ballast for his upgrade and how they are a great choice.Easy to install, the instructions are dead-simple. Matched right up to the mounting holes on my existing ballast location.Note: this ballast is for a 2-bulb unit.2 bulbs = QTP2X32T83 bulbs = QTP3X32T84 bulbs = ..
This ballast is great for cold temperature starts. I live in Idaho where temperatures easily get down to -20 degrees F. I had an outdoor ballast with two F25T8 bulbs that wasn't working in the cold temperatures. I replaced that old ballast with this new one, and the lights fire up instantly every time... even in the cold. Well worth the time and money to make the change.I wired this in as follows...Both blue wires in the fixture to one of the blue wires of the ..