Compact Fluorescent Lights known for short "CFL". They were first PL bulbs with a starter in it, but still used today, and now with new CFLs, they also have built in ballast, on the bottom of the screw in base. There are some brand manufactures that make CFLs are GE, Slyvanna, Phillips, and Utilitech, and Feit Electric. But some of them, are Ultra Violet as for short: UV, lamps.
7 watt PL Fluorescent light, 2700K
PL CFL bulbs[]
PL means Plug in bulbs, require a ballast adaptor, and or a fixture. But, Manufacures do not make the adaptor, except the bulbs.
5 watt UV/Germicadical PL Bulb
The Early CFLs[]
When PL bulbs were easy to burn out after each turn on of a switch. Now, some Maunufacutrues make the U - tube or welded cfls. After that, Manufacture companies, wanted something different, so they went to the spiral, type CFLs.
Phillips Marathon 13 watt CFL 2800k soft white
Todays CFLs[]
Well, CFLs are manufactured every single year, and decided to make different type of shape of the bottom, which is a bit differnt.
GE Reveal 26 watt CFL bulb
Different Color tempertures[]
CFLs have many different color tempertures are:
2700K = Warm White
2800K = Soft white
5000K = Cool White
6500K = Daylight
2900K = Reveal, soft white
Warnings of using CFLs[]
Once on every day, its life begins to run out, and burns out. After many days of use, you will hear a pop, from the cathodes, meaning it has been burn out. But sometimes the explode, cause of high pressure, and it cause some fatal injuries. It can even cause a house fire, if shorted out, or over volted.