What is the standard size of a fluorescent light?
Shapes, sizes and bases Fluorescent tubes are measured in eighths of an inch. A T8 has a one inch (8/8 inch) diameter, a T5 has a 5/8 inch diameter, and a T12 is a 12/8 inch (1.5 inch) in diameter. Likewise, how do you know if a fluorescent gentle is bad? Check the ends of … Read more