This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionFluorescent light strip 2 tube.JPG
English: A two tube fluorescent light strip in a ceiling. This is one of the most common types of residential light fixtures in the US. It takes two F40T12, 4-foot long, 1.5 in dia. rapid start fluorescent tubes. It has a magnetic ballast and consumes roughly 80 watts. Fixtures of this type are being replaced in new construction with the more efficient T8 and LED fixtures.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse