The number designation in the code is usually the width of the bulb at its widest point designated in eighths of an inch.
What is an a15 type light bulb.
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What most people visualize when the light bulb goes off in their head and probably the most common type of residential light bulb is the a shape.
Every light bulb has identifying characteristics that are represented by a letter or series of letters and a number.
A15 bulbs are slightly smaller than a19 bulbs and typically come in outputs ranging from 10 watts to 40 watts.
Best seller feit electric 40 watt soft white 2700k a15 clear glass e26 base dimmable incandescent appliance light bulb model bp40a15 cl hdrp view the feit appliance exit incandescent bulbs.
These are known as light bulb codes.
Numbers in a bulb code indicate size in millimeters or eighths of an inch.
It has a pear like shape and is typically fitted to either an edison screw or a bayonet cap base.
The a series light bulb is the classic glass light bulb shape that has been the most commonly used type for general lighting service gls applications since the early 20th century.
The letter or letters in a bulb code indicate either shape or special features such as reflector type.
The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth.
Common sizes of the a bulb are a15 a19 and a21.
A15 lamps are slightly smaller than a19 lamps and typically have an output power of 10 to 40 watts.
A 15 bulbs are fifteen 15 eighths of an inch in diameter or 1 875 inches or 47 625 millimeters.
The incandescent light bulb or incandescent lamp makes light by passing electric current through a wire filament in a glass envelope filled with an inert gas.
The filament resists the electrical current and produces a glow incandesces.
Replacing the a15 led lamp.
A shape arbitrary or general service bulbs are likely the light bulb we are all most familiar with.
These smaller wattages are frequently used in applications such as appliances signage and decorative lighting.
Find the light bulb base type you re looking for with this visual chart detailed illustrations of general bases fluorescent bases and specialty halogen base types.
What are a15 bulbs.
What is a type a15 light bulb.