Fluorescent Shop Light Repair: 9 Steps (with Pictures) Materials Needed. The materials you need are. The new ballast. I have chosen is Advance REL This Is a Common Problem. These ballasts burn out all the time. I got tired of constantly replacing Disassemble the Light Fixture. First of all unplug the light. Then remove the fluorescent tubes and Cut Out the Old Ballast. Cut all of the wires close to the ballast. The blue disk you can see in this See all full list on instructables Wiring a Shop for Outlets and Lights - Ask the Electrician Comparing Shop Light Fixtures. Can lights would produce a more downward directional type of light which may cast shadows compared to the more evenly distributed light that is produced by fluorescent lights. Fluorescent lights are typically more cost effective to operate compared to incandescent or halogen type lights.