Will a t8 ballast work with t12 bulbs?

As far as safety is concerned, you can exchange them. If you place T12 tubes in a fixture with a T8 ballast, you will wear out the ballast and have to replace it. If you place T8 tubes in a fixture with a T12 ballast, then the tubes will have a shorter life due to a higher current through the tube.Click to see full answer. Keeping this in consideration, what is the difference between t8 and t12 ballast?Fluorescent lights are tube shaped lamps with a chemical phosphor coating on the inside of the tube. The have small pins on each end that fit into the ballasts located in light fixtures. T12 lamps have a diameter of 1 ½ inches (or 12/8th of an inch.) T8 lamps are fluorescent lights one inch (or 8/8ths) in diameter.Also Know, how do I know if my fixture is t8 or t12? Replace Current Lamp Read the lettering on the burned-out lamp. You will see either T8 or T12 stamped on one side near the end with the prongs. You also will see the lamp’s rated wattage, usually 32 watts for T8 and 40 watts for T12. Measure the diameter of the lamp. Hereof, can you use a t8 bulb with a t12 ballast? T12 tubes pull 40 watts, and are frequently being replaced with lower wattage t8 tubes, which operate on 32 watts. When posing the question can a t8 light work on a t12 ballast, the short answer is no. The only way around the dilemma is to replace the ballast.Do I need to remove the ballast to use an LED bulb?LED technology does not require a ballast to regulate the amount of energy flowing to the lights. Additionally, removing the ballast will reduce energy usage and result in even great cost-savings as ballasts continue to draw more power than necessary.

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