Lamps are typically identified by a code such as fxxty where f is for fluorescent the first number xx indicates either the power in watts or length in inches the t indicates that the shape of the bulb is tubular and the last number y is the diameter in eighths of an inch sometimes in millimeters rounded up to the nearest millimeter.
Fluorescent light fixture dimensions.
The t stands for tubular and the numbers are an index for the diameter in inches of the tube.
Most tube lighting will have its size mentioned on an end of the tube.
Product title one light modular 18 1 4 fluorescent average rating.
An individual t8 lamp usually gives off less light than a t12 lamp the same length and color but oddly enough in a fixture they usually give as much light.
Progress lighting maier brushed nickel modern contemporary fluorescent flush mount light.
Cfl t5 t5ho t8 view datasheet metabright exolight 23 inch iso 23 from metaphase technologies inc.
For pricing and availability.
One reason is that the larger t12 lamp gets in the way of its own light and another that the t8 lamp is probably lower wattage and runs cooler.
00 list price 41 13 41.
5 1 2 high x 24 or 12 wide fixture type.
There are 4 different fluorescent light options.
23 metaphase exolights produce whiter brighter and flicker free illumination compared with fluorescent technology.
Progress lighting modular fluorescent 48 5 in brushed nickel modern contemporary fluorescent flush mount light energy star.