Before replacing consider the cost of new fixture compared to the hassle of fitting new ballast.
Fluorescent light ballast replacement cost.
Confirm that the new ballast matches the old one photo below and then install it as shown in photo 4.
Ge ultrastart proline electronic ballast 120 277 volt program rapid start ballast normal ballast factor ballast for fluorescent light 1 or 2 lamp t12 4 6 out of 5 stars 78 17 83 17.
Insert the red blue black and white wires in their corresponding holes screw the nut back.
The ballast sometimes called control gear is a small device wired to the light s circuitry which restricts the amount of electrical current travelling through it.
Remove and reseat tube in sockets.
To regulate the current flowing throughout fluorescent lights we use what s known as a ballast.
Centium 49 54 watt 120 277 volt 1 or 2 lamp t5ho programmed start electronic fluorescent replacement ballast model 502211 36 78 36 78.
Photos 2 and 3 show how to remove the old ballast from the fluorescent light fixture.
A 4 lamp 4 foot fixture can go from what you have now about 7200 lumens in led terms or the equivalent of replacing a fixture that has four brand new fluorescent tubes with four 1800 lumen led tubes to nearly twice as bright about 12 000 lumens with four 3000 lumen led tubes depending on the lumen rating of your led replacement tube.
These ballasts are available in either instant start or programmed start ignition for extended lamp life in frequent switching applications such as those where occupancy sensors or motion detectors are being used.
Then use a nut driver to unscrew the nut holding the ballast in place and install the replacement ballast.
Keystone 2 bulb commercial electronic fluorescent light ballast.
If accessible replace ballast.
What is the ballast in a fluorescent light.
Replacement fluorescent light fixture.
400 watt equivalent corn cob ex39 mog led light hid replacement 360 degree 100 watt 15 000 lumens 5000k daylight model 62705161 168 97 168 97.
After mounting the new ballast replace the ballast compartment cover and bulbs and it should be good for another 20 years.
Ballasts are available in a standard light output high light output and a low watt design with input voltages of 120 to 277 or 347.