Why Do Fluorescent Tubes Go Black At The Ends?

Why Do Fluorescent Tubes Go Black At The Ends? If the end of the tube turns black, this can mean that it has a switching cycle that is too rapid, or that the cathode inside is faulty. If it turns black after a day, or a week, then it is certainly the cathode at fault … Continue reading Why Do Fluorescent Tubes Go Black At The Ends?