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C5, C7 and C9 Christmas Lights

Updated on August 24, 2015

What are C5, C7 and C9 Lights?

While some people aren't familiar with the term C5, C7 and C9 when it comes to Christmas lighting, they are very recognizable the second you see them, even if you don't know that's what they're called today.

Years ago these larger size Christmas lights were what were available and used, with the C7 being the smaller of the two, with a length of about 2 inches including the base. A C9 is the same shape, but with a size a little bit longer than the C7. The C5 is a little smaller than the other two. You'll recognize them by the size and shape the second you view them below.

I still use these fantastic lights, and they shine brightly as ever, and work in many situations inside and outside the house.

These obviously aren't a shy type of light, and they brightly light up any place you put them. C5, C7 and C9 Christmas lights are still a highly desired and used decoration, and you can see why from the photos below.

Identifying C5, C7 and C9 Christmas lights

Of course looking below you immediately identify C5, C7 and C9 lights, and as you know, they're useful in numerous Christmas light display situations.

Below this first photo you can see how they look on a Christmas tree and how they're designed a little differently, taking on the general design of a diamond.

What C5, C7 and C9 Christmas Lights Look Like

Different C7 or C9 Lights

Houses with C5, C7 and C9 lights

The next couple of photos show how C5, C7 or C9 lights can be used on a house for great effects. On the first one you've got to wade through all the lights to find them, and on the bottom one they're subtly laid across the top of roof at intervals in nice highlights.

Christmas lights like these work well in a complementary fashion with other Christmas lights, as well as stand on their own.

C5, C7 or C9 Lights on House

C5, C7 or C9 Light Decorations on Home

C5, C7 and C9 Christmas Lights

Most of the time these types of Christmas lights are used to outline your roof or put on outside trees, although many still use them indoors for a number of purposes, including on their Christmas trees.

There are other "C" lights like C6, and the way to understand what that means is the lower the number the shorter the length of the bulb.


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