Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the mercury is excited by electricity, it emits ultraviolet (UV) light, which causes the ...

Always handle fluorescent light bulbs carefully since they contain small amounts of hazardous mercury. Fluorescent bulbs ...

In addition to sunlight, ultraviolet rays are also given off by several different forms of indoor lighting, including compact fluorescent lamps (CFL’s). CFL’s are commonly long, cylinder shaped and ...