+A19 typically identifies a classic, pear-shaped [light](/wiki/Light) bulb, a common standard for general illumination. Its familiar form has long brightened countless spaces, often housing [LED](/wiki/LED) or [Filament](/wiki/Filament) technology.
+## See also
+- [Lighting](/wiki/Lighting)
+- [Bulb](/wiki/Bulb)
+- [Electricity](/wiki/Electricity)
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