Types Of Fluorescent Lights
Which types are known for this.
Types of fluorescent lights. T12 t8 and t5. The terminology comes from t for tubular and the diameter of the bulb in eighths of an inch so t8 represents a tube of 8 8ths of an inch or 1 inch. Which types of light bulbs contain mercury. In a fluorescent tube the electric current passes between the cathodes exciting mercury and other gasses which are filled.
Why do some light bulbs buzz. Compact fluorescent lights cfls and leds have a lower wattage than incandescent bulbs but emit the same light output. Buzzing in light bulbs is caused by an interruption in the current. Electronic ballasts ballast designs using different lamp starting strategies.
So in most cases you won t have to physically measure the tube s diameter and length. There are two different break downs of fluorescent light fixture ballast types as we explain here. To learn more about what cool and warm means in terms of the color quality of light sources see color metrics. There are three distinctive fluorescent light bulb types.
All fluorescent lamps use the same technology but there are several different variations and sizes. The t stands for tubular and the numbers are an index for the diameter in inches of the tube. Rapid start lamps are the most popular fluorescent lamp type used in commercial applications such as office buildings. Most tube lighting will have its size mentioned on an end of the tube.
Fluorescent bulbs including cfl bulbs contain mercury as do metal or ceramic halide bulbs mercury vapor bulbs neon and high pressure sodium bulbs. T4 t5 t8 and t12. Hotels commercial office buildings grocery stores healthcare facilities warehouses parking garages and more all use fluorescent lighting. The fluorescent bulbs are more complex than the incandescent bulbs.
While there are multiple types of led and fluorescent tube lights the three most common are t12 t8 and t5. Each one has different strengths and weaknesses.