Question

 Is there mercury in fluorescent lamps?

Answer Fluorescent light bulbs contain a very small amount of mercury, between 5 and 10 milligrams in most bulbs sold for home lighting purposes. The mercury is encased in glass and the bulbs are very saf... Read More »
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Top Q&A For: Is there mercury in fluorescent lamps

Is there mercury in HID lamps?

High Intensity Discharge (HID) lamps contain mercury, usually in vapor form, along with lead and other toxic materials. From photography to medical instruments, HID light bulbs can contain over 200... Read More »
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How much longer do fluorescent lamps last than incandescent lamps?

According to EnergyStar.gov, a compact fluorescent lightbulb (CFL) lasts about 10 times longer than an incandescent one. GIPL.org notes that a 13-watt CFL can burn for 10,000 hours, whereas an inca... Read More »
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Is there mercury in the ballast of a fluorescent fixture?

Mercury is not used in the ballast of any type of fluorescent lamp. The ballast is a device used to control voltage. However, the lamp itself does require a small amount of mercury, often as little... Read More »
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Can one use 20W fluorescent tube lamps as a substitute to 40W lamps?

Yes they will work if they fit the fixture.... They will only draw the 20 watts they need to operate, so No, you will not blow the 20W lamps.... Ensure however that the lamps you will be using are ... Read More »
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