C9, C7, and C6 Christmas light bulbs are a type of decorative light bulb commonly used during the holiday season. They are designed to be used in strands or strings, and are often used to decorate Christmas trees, homes, and other spaces. The “C” of C9, C7 and C6 Christmas light bulbs stands for cone or conical. This shape is nostalgic of retro or vintage Christmas light displays. Because of the nostalgic look and C9 Christmas light bulbs are large and durable, C series Christmas lights are a favorite of Christmas lighting enthusiasts on the Tacky Light Tour.
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C9 Christmas Light Bulbs
C9 Christmas light bulbs are the largest of the three standard C series sizes, with a diameter of about 2.5 inches. They have a screw base and are typically used in outdoor lighting applications due to their large size.
C7 Christmas Light Bulbs
C7 Christmas light bulbs are slightly smaller than C9 Christmas light bulbs, with a diameter of about 1.5 inches. Like C9 bulbs they also have a screw base and are often used in both indoor and outdoor lighting applications. At a medium size compared to C9 and C6 bulbs, the C7 size is the most versatile for indoor and outdoor applications.
C6 Christmas Light Bulbs
C6 Christmas light bulbs are the smallest of the three standard C series bulbs, with a diameter of about 1 inch. With a candelabra base and they are typically used in indoor lighting applications.
All three types of bulbs come in a variety of colors like red, green, and blue. They are also available in incandescent and LED types. Incandescent C series Christmas light bulbs are available in glass or ceramic. LED C series Christmas light bulbs commonly come with a faceted finish.
