Einleitung
This is a comprehensive guide to the safe and complete repair of a fluorescent light fixture. It will advise if and when an unsafe condition is present as well as how to verify all safe conditions. This guide goes beyond replacing a burnt out bulb and shows the process for doing everything a homeowner can do without calling an electrician. The hazards include working briefly with live electrical current and possibly working from a ladder. No special training is needed for this guide.
Werkzeuge
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Turn off the light switch to the light prior to any work being done.
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Remove the cover of the light fixture according to individual manufacturer’s instructions to expose the fluorescent bulbs.
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Check the bulbs for failure by looking for black coloring at the ends of the bulbs.
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Remove the bulbs by twisting 90 degrees and carefully wiggling them and pulling down.
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Remove the cover in the center of the fixture to expose the wiring and ballast components.
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Measure the AC voltage using a multimeter by placing the red lead on the bare metal of the black or red wire of the source wire and the black lead on the bare metal of the white wire.
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Repeat step 5 after turning the light switch for the light to the on position.
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The measured voltage should read between 110-125V. Turn the light switch off immediately after performing this step.
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Take a picture of the data plate of the ballast. the ballast is a rectangular box in the center line of the fixture.
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Disconnect all wires coming from the ballast and remove the ballast from the fixture using a screwdriver.
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Install a new ballast by reversing the process of step 10.
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Reconnect all wires according to the picture taken in step 7.
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Ensure that you strip all wire ends using wire strippers and use ANSI approved wire nut at all wire connections
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Put the fixture back together by reversing the steps 1-3. Test the light to make sure it works. If it still does not function, contact a qualified electrician.
