When your fluorescent light flickers or makes a loud and annoying hum, a degrading ballast could be the cause. Replacing a ballast is easier than you think, but ballasts can be expensive, so ...

This type of ballast operates at 60 hertz and requires an additional ... Although humans cannot see fluorescent lights flicker, the sensory system in some individuals can somehow detect the flicker.

This document is intended for contractors working on a job site within CU Boulder Campus. In short, Ballasts removed from fluorescent lights by Contractors during University of Colorado at Boulder ...