| Published on Feb 27, 2015 | |
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| The lamps use a tube which is curved or folded to fit into the space of an incandescent bulb, and a compact electronic ballast in the | A compact fluorescent lamp CFL , also called compact fluorescent light, energy-saving light, and compact fluorescent tube, is a fluorescent lampdesigned to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps |