I've run into a weird lighting problem at work, and the obvious candidates are seemingly ruled out. Here's what I have: I have two circuits lighting a large room. Each circuit is double switched (with ...

Recently, a question I often hear from customers on-site is, 'Fluorescent lights won't be usable anymore, right?' Many of you ...

The brightness of a fluorescent light bulb or neon tube cannot adjust as easily as that of a incandescent bulb because it starts only when a voltage is much higher than that of the network, then ...