How To Change Ballast In A Fluorescent Light Fixture. LED tubes last an average of 50000 hours roughly 16 years while fluorescent T8 tubes last an average of 25000 roughly 8 years. Install the new ballast.
Replace them with a non-shunted variety. 35 per fixture to change out both at same time. If you decided to replace just the ballast mounting the new one in your fixture is pretty simple.
Remember this is Labor only.
Now locate the ballast on the existing fluorescent fixture. How long does a fluorescent light tube last. Locate The Ballast On The fluorescent Light Fixture. Most T8 tubes will have a hidden ballast covered with a casing and resting behind the tube light.
