CFLs come in a variety of shapes and sizes. The majority of CFLs are designed to look identical to the incandescent light bulb version. The table below identifies the most popular CFL shapes that are available at retail:
Bare Products | Covered Products | Reflector Products | |||
---|---|---|---|---|---|
Mini-Spiral or Twist | Tube or Universal | Incandescent/ A-line | Globe G25, G30, G40 | Candelabra, Post or Bullet Shape | Indoor and Outdoor R20, R30, R40, PAR38 |
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Now that you know CFLs are available in a variety of shapes and sizes, where should you use them?
The following chart provides guidance on how to choose the best CFL for a specific fixture. You can either look for the fixture you want to use a CFL in, or pick your favorite CFL and see where the best fixtures to use it in. In many cases, a certain CFL type can be used in multiple fixtures. For example, today's bare spiral CFL is small enough to use in table lamps, wall sconces, ceiling-mounted fixtures, ceiling fans, etc.
PDF File of "How to Choose" chart