Download 1 Lamp Ballast Wiring Diagram
Images. Wire colors for individual and common connections on fluorescent ballasts will vary depending on ballast type, brand, and the number of lamps they support. Rapid start ballast wiring diagrams related searches.
White white black 20 ballast black ballast white 20 black blue red 49. 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. Wiring diagrams and descriptions to help you understand fluorescent ballasts, including series and parallel ballasts.
Ballast manufacturers like phillips offer technical support.
The wiring diagram shows three components connected to the lamp (the transformer, the capacitor, and the ignitor). Inspect the two sides on the transformer to see its long. The first ballasts were electromagnetic, which made them noisy, and they produced a noticeable flicker of the bulbs. Disconnect the wire nuts connecting the ballast to the line supply wiring.