What is A19 Bulb

Horace He

Last Updated: December 26, 2023

What is A19 Bulb

An A19 bulb is a specific type of light bulb commonly used in the lighting industry. The term “A19” refers to the bulb’s size and shape. The “A” in the code stands for “Arbitrary,” indicating that the bulb has a standard bulb shape resembling an upside-down pear. The number “19” represents the diameter of the bulb, which is approximately 19 millimeters or 2.4 inches.

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A19 bulbs are known for their versatility and are widely used in both residential and commercial settings. They are available in various wattages, typically ranging from 20 watts to 100 watts in their incandescent form. However, with advancements in technology, A19 LED bulbs have become increasingly popular due to their energy efficiency and longer lifespan.

These bulbs are designed to fit into standard sockets with a medium screw base (E26). They can be used in a variety of light fixtures, including ceiling fixtures, table lamps, floor lamps, and pendant lights.

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Frequently Asked Questions

Is A19 a Medium Base Bulb

Medium base (E-26) | A19 | General Purpose LED Light Bulbs are the type of bulbs that are considered to have a medium base.

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.

What Is the Best Light Bulb for Household Use

General-purpose LED bulbs are the most recommended choice for household use due to their energy efficiency. These bulbs fit standard light sockets and have a lower wattage compared to incandescent bulbs, resulting in reduced energy consumption. Despite using less energy, LED bulbs provide the same level of light output. Additionally, LED bulbs have an impressive lifespan of over 20 years and do not contain any mercury.