Because totally enclosed fixtures do not allow air to circulate around the lamp it causes heat to build up which can lead to performance issues.
Cfl light bulbs for enclosed fixtures.
You ll see this noted in.
To use a bulb in an enclosed fixture it has to be designed to handle the heat of the enclosed space.
So look for energy star qualified cfls that are designed to work in fully enclosed fixtures.
Heat is the enemy of cfls.
While led lighting used in enclosed fixtures may bring up some potential heating problems this is nothing compared to the energy inefficiency of cfls and incandescent light bulbs.
Generates 500 initial lumens.
They last 10 times longer and utilize about 1 3 of the energy of typical incandescent bulbs.
Feit electric 60 watt equivalent t3 spiral non dimmable gu24 base compact fluorescent cfl light bulb daylight 5000k 2 pack model bpesl13t gu24d 2hdrp 9 97.
Cfl bulbs are another type of energy efficient bulb much like the led.
The use of ballasts and other energy restrictors stop these types of bulbs from overheating but they are necessary as without them they would explode.
These bulbs feature a tube that s curled to fit into the same socket as a regular light bulb.
Cfl bulbs or compact fluorescent light bulbs are very similar to the overhead fluorescent tubes you re used to seeing overhead in many commercial spaces.
Yes just because a light bulb is rated for enclosed fixtures doesn t mean it requires an enclosed fixture.
Enclosed fixture rated 4 energy saving 4 lead free 1 low heat 1 bulb shape.
In the open air that s not a concern.
Rated for use in totally enclosed fixtures.
Before using a cfl or led bulb in a totally enclosed fixture you should consult the product packaging.
It can dim the light and shorten the bulb s life.
Totally enclosed recessed fixtures for example a ceiling can light with a cover over the bulb create temperatures that are too high to allow the use of a compact fluorescent bulb.
Cfl light bulbs also called compact fluorescent lights are energy saving light bulbs that use up to 1 3 less energy than incandescent bulbs.
The other reason to buy enclosed fixture rated bulbs is to use them outside.
You may have garden lights or fully enclosed street lamps that require an enclosed fixture rated bulb.