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What is Type A Bulb

Horace He

Last Updated: December 26, 2023

What is Type A Bulb

A type A bulb refers to a specific design of light bulb that is characterized by its roundish shape and a relatively wide mount on the bottom. This type of bulb is widely used in different technologies, including CFL, LED, and incandescent lighting.

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In addition to the standard type A bulb, there is also a slimmer version known as the type A mount. This variant features a narrower and more elongated shape, often resembling a bullet or flame. It is frequently utilized for decorative purposes, particularly in candelabra-style lighting fixtures.

The designation “A” in type A bulb refers to the teardrop or flower bulb shape that is commonly associated with traditional light bulbs. Over time, the term “light bulb” has become widely used to describe any bulb shape, but the A designation specifically refers to this particular shape. Most standard screw-base light bulbs, such as the GE 60 watt incandescent light bulb, fall under the category of type A bulbs. Common examples of type A bulbs include A-19 and A-21, which correspond to 60 watt and 75 watt light bulbs respectively.

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Frequently Asked Questions

Is A19 a Standard Bulb

Shaped like a snow cone, LED A19 bulbs are commonly recognized as the traditional light bulb shape. These bulbs have become widely adopted as the standard for household lighting in various areas such as living rooms and bedrooms.

Can I Use A21 Bulb Instead of A19

Except for the longer neck and larger bulb, the A21 light bulbs have a nearly identical appearance to the A19 version. They are similar enough in size that they can be used interchangeably in the same fixtures or for similar lighting purposes.

What Is the Difference Between an A15 and A19 Light Bulb

The A15 light bulbs are smaller in size compared to the A19 light bulbs. Both types of bulbs can be used in a standard household medium base (E26 base). However, it is important to ensure proper ventilation in the surrounding area to avoid any potential fire hazards.

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