The Best Ballast Light Fixture Replacement 2023. Web to safely replace the ballast in your fluorescent light, turn off the lamp, remove it, and check the voltage of the feed wires with a voltmeter. It’s done in these easy steps:

Remove the ballast from the fixture. In this guide, you will learn how to measure and confirm voltage, rewire the ballast, and remove electrical components for the ballast safely. Reinstallation is obviously, the opposite.