Basic Type of Compact Fluorescent Lamps

 Retrofit         
Plug -in
  • Can be screwed directly into incandescent sockets
  • Combines lamp and ballast in one unit
  • Available in a range of wattages to directly replace incandescent lamps
   
  • Lamp only with plug-in base
  • Plugs into dedicated fixtures
  • Needs separate ballast (usually contained within the fixture)
  • Several typess such as Single BIAXTM, Double BIAXTM  and High-Lumen BIAXTM are available
 Retrofit plug-in