By Frank S. Johnson We all grew up with incandescent light bulbs. When they burned out, the light was gone, so we replaced them. No problem! Fluorescent lamps, on the other hand, are quite different. They actually need to be replaced before they quit working entirely, but no one seems to know it, and not…

By Tom Gregg Fluorescent lamps operate at 120 volts (we use 120 volts for this example). The ballast is a transformer/current limiting devise. Example, on a 277 volt system the ballast reduces the voltage applied to the lamp to 120 volts. The ballast has an ignition voltage much higher than the rated voltage to start…

VALDOSTA — Is “green” really green, and can it be greener? More and more companies are going green. Yet it is often difficult to distinguish between a marketing campaign or an actual environmentally friendly product. Joel Makower has been into green marketing for 20 years, researching and gathering information on businesses going green. In an…