Variations are identified by a standardized code marked on the light bulb.
Fluorescent lamp identification.
They glow with an amazing array of vibrant colors in sharp contrast to the color of the rocks under conditions of normal illumination.
Bulbs bases and filaments.
Bulbs and bases identification guide.
For example fluorescent light bulbs can be rapid start or preheated.
These are also known as pl q lamps or a compact fluorescent square.
With fluorescent tubes the length and width of the tubes differ and the dimensions you need will depend on the size and wattage of the fitting.
An electric current in the gas excites mercury vapor which produces short wave ultraviolet light that then causes a phosphor coating on the inside of the lamp to glow a fluorescent lamp converts electrical energy into useful light much more efficiently.
Manufacturers codes found on the lamps and in catalogs may vary slightly from the generic designations.
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.
Compact fluorescent lamp identification.
In t numbers like tn or t5 t8 etc.
T indicates tubular lamp shape.
Bulbs bases and filaments identification guide.
But there is more to fluorescent lighting than just whether the bulb gives out warm or cool light.
The fluorescent bulb s t number in essence gives the bulb diameter and its connecting pin design.
Fluorescent lamp identification.
Fluorescent lamps are identified by a standardized code that reveals valuable information about operating characteristics and physical dimensions.
The following describes pin based compact fluorescent bulbs.
Compact fluorescent lamps bulbs are either pin based they plug into a socket or they are medium screw based they screw into the same socket as common incandescent bulbs.
A fluorescent lamp or fluorescent tube is a low pressure mercury vapor gas discharge lamp that uses fluorescence to produce visible light.
The shape of a tube is self explanatory as they are linear in length with two metal pins on each end.
The color of the light is the most obvious way to identify fluorescent lighting.
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Bulbs bases and filaments identification guide.
Bulbs and bases identification guide.