C9 Christmas Light Bulbs – A String of Details to Set You Straight

Christmas decorations can make a home look festive and inviting during the holiday season, but not without the right lighting. The C9 Christmas light bulb is an incredibly popular choice for commercial outdoor holiday decorations due to its large size and wide range of features. The standard base of a C9 Christmas light is E17, which makes it versatile and reliable. There are different types of C9 bulbs with varying features and benefits we will explain.

Dimensions of a C9 Christmas Light Bulb

The C9 Christmas light bulb is typically 5cm inches tall, which is approximately 2 inches. C9 bulbs are 3cm wide, which is approximately 1.2 inches. With an E17 base another 0.82 inch is added to the bulbs height making it a total of 2.82 inches or 7.16 centimeters. This means C9 bulbs are much larger than other incandescent or LED Christmas light bulbs. This makes C9 Christmas lights an ideal choice for holiday decorations as they produce visible from further distances and appear more substantial than smaller bulbs, creating a festive atmosphere that’s hard to ignore.

Shape of a C9 Christmas Light Bulb

Ceramic C9 Christmas Light Bulb
Ceramic C9 Christmas Light Bulb

The vintage cone shape of the C9 bulb adds to its charm. It’s reminiscent of traditional Christmas lights from long ago, making it a natural choice for outdoor decorations this holiday season. The vintage cone shape also helps to disperse light more evenly than other bulbs, allowing for a more consistent look and feel throughout your decorations.

Applications of a Christmas Light Bulb with E17 Base

The standard base of a C9 bulb is an E17, which is also known as “intermediate”. Village Lighting claims to be the only provider of C9 bulbs with an E12 base, which is also known as “candelabra”. E17 can be used in multiple different applications, but is not as common as the E12 bulb base. Not only can a C9 bulb be used to decorate outdoor areas during the holidays, but they can also be used to light up pathways, stairways, and driveways with ease.

Difference between Incandescent and LED C9 Christmas Light Bulbs

The C9 bulb comes in both incandescent and energy efficient LED types. Incandescent bulbs produce a softer, more classic lighting effect that many homeowners are looking for during the holiday season. On the other hand, LED bulbs are more energy efficient and can last longer than incandescent bulbs, making them a great choice for those looking to save money in the long run.

Lighting Effects of C9 Christmas Light Finishes

Clear C9 Christmas Light Bulb
Clear C9 Christmas Light Bulb

Lighting Effect of Clear Glass C9 christmas Light Bulbs


Clear C9 bulbs create a bright white illumination that adds a crisp, modern look to your decorations. Clear bulbs are great for outdoor settings due to their visibility from further distances and can be used in a variety of applications such as lighted trees and rooflines.

Lighting Effect of Ceramic (or Solid Colored) C9 christmas Light Bulbs

Colored C9 bulbs produce a festive glow that’s perfect for the holiday season. Red, green, and blue bulbs are the most popular for Christmas decorations, but you can also find yellow, orange, and purple C9 bulbs that are perfect for any occasion.

Faceted C9 Christmas Light Bulb
Faceted C9 Christmas Light Bulb

Lighting Effect of Faceted C9 christmas Light Bulbs


LED C9 bulbs usually have a faceted finish which produces an eye-catching effect of light that’s perfect for outdoor holiday decorations. The faceted finish reflects the light in multiple directions, allowing it to be seen from further distances and creating a stunning atmosphere. The design of faceted bulbs also contributes to strength and durability.

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Edward Worrell
Edward Worrell
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