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C9 Bulbs

C9 bulbs are a first choice when creating large impactful outdoor lighting displays. C9 bulbs and stringers are available separately for customized color themes, rooflines, and easy application and maintenance. Bulbs have E17 Intermediate size nickel bases to prevent corrosion and stringers have weep holes for water drainage, with options in socket spacing. Choosing C9 bulbs allows for greater flexibility in light projects.

C9 bulbs are popular along larger rooflines and tall buildings, or wrapped around Evergreen trees. The large 2.5" bulbs create an illuminated presence from a distance and your choice in spacing allows for use in multiple applications.

Enhance your outdoor light display with the vivid glow of C9 bulbs in a variety of popular styles and colors!

Why choose C9 Christmas lights?

C9 bulbs and prelamped light strings are popular along larger rooflines and tall buildings, or wrapped around Evergreen trees. C9 bulbs offer light that can be seen from a distance.

Prelamped vs C9 replacement bulbs:

Prelamped strings come with removable bulbs already screwed in, and bulbs and stringers are available separately for customized color themes, rooflines, and easy application and maintenance. Stringers and spools have weep holes for water drainage, with options in socket spacing. Choosing bulbs allows for greater flexibility in light projects.

Which light stringer is best?

Installation and design projects often require a lot of customization, and choosing bulbs and stringers or spools is the way to go. Spools are popular when a lot of projects are in the forecast. Bulb spacing, wire color, amp capacity, and wire gauge options make our selection of light stringers and spools better than the competition. Find what you need and please your customers with every project.