CFL light bulbs shapes
and sizes
Which
compact fluorescent light bulbs do you need?
While CFL light bulbs come in
various shapes
and sizes, most energy efficient light bulbs can fit any
light fixture. However it's important to note that some compact
fluorescent light bulbs perform better than others in certain types of
light
fixtures.
Different types of
CFL light bulbs
 Spiral or Twist
The spiral shape tube is designed to somewhat
resemble the traditional bulb. While they fit almost all light
fixtures, these CFL bulbs are much better suited for indoor use.
Triple tube or
Universal
Inner tubing provides a greater light output
coming from a smaller bulb. These energy saver light bulbs are best suited
for indoors and are great replacements for reading lamps.
Covered or Standard
Spiral or twist CFL's with a traditional bulb like
cover. This provides a more equally distributed light. These bulbs are better suited for
indoor use, but can be used in covered outdoor fixtures.
 Globe or Dome
Best suited in bathroom fixtures and those open
handing ceiling lamps found usually in stairways and hallways. Best for
indoor use but can be used in covered outdoor fixtures.
Candle
or Candelabra
Designed for smaller light fixtures such as
chandeliers and some indoor wall hung fixtures. Indoor use and wont fit
most outdoor fixtures.
Flood or Reflector
Can be used indoors or outdoors. These compact
fluorescent light bulbs can be used in covered or exposed outdoor
fixtures
such as motion detectors and landscape lighting fixtures.
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