File:Counterfeit fluorescent ballast.jpg

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English: Low quality components and counterfeits are one of the big factors in the nightmare of the electrical situation in Nigeria. Sold as a good quality German import, closer inspection shows that this ballast is nothing of the kind. For example, examine the printing carefully. Sometimes it's almost impossible to find the real ones.
Русский: Подделаный балласт в Нигерии; производитель не учитывал зависимость индуктивного сопротивления от одной из составляющих - частоты, которая имеет вид 2πfL, то есть индуктивный балласт не может иметь одно и то же сопротивление на двух разных частотах 50 и 60 Герц, т.к. изменяя частоту изменяется и сопротивление балласта.
Date
Source Counterfeit flourescent ballast
Author Mike Blyth from Jos, Nigeria
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
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  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This image, originally posted to Flickr, was reviewed on 25 November 2011 by the administrator or reviewer Denniss, who confirmed that it was available on Flickr under the stated license on that date.
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17:03, 4 February 2008 User:File Upload Bot (Magnus Manske) <a href="http://upload.wikimedia.org/wikipedia/commons/1/17/Counterfeit_flourescent_ballast_%281622006958%29.jpg[dead link]"><img alt="Thumbnail for version as of 17:03, 4 February 2008" src="http://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Counterfeit_flourescent_ballast_%281622006958%29.jpg/120px-Counterfeit_flourescent_ballast_%281622006958%29.jpg[dead link]" width="120" height="90" border="0" /></a>1,280×960 152 KB {{Information |Description= Low quality components and counterfeits are one of the big factors in the nightmare of the electrical situation in Nigeria. Sold as a good quality German import, closer inspection shows that this ballast is nothing of the kind

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current18:07, 10 February 2009Thumbnail for version as of 18:07, 10 February 20091,280 × 960 (152 KB)BetacommandBot (talk | contribs)move approved by: User:Deadstar This image was moved from File:Counterfeit flourescent ballast (1622006958).jpg {{Information |Description= {{en|1=Low quality components and counterfeits are one of the big factors in the nightmare of the electr

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