
What is the difference between C7 and C9 bulbs?
C9 bulbs are Lit Professional Lighting’s light of choice. They still maintain the shape of C6, and C7 lights, but are the largest yet. They are 1 ¼” round and 2.5” tall, a full inch taller than the C7.
Can you use C9 bulbs for Christmas lights?
Use our C9 LED Christmas lights to create bold outdoor Christmas light displays. These energy efficient C9 LED light bulbs are beautiful, super bright, versatile, and will shine for 50,000 hours. Incandescent C9 bulbs can easily be swapped out of your old strands for these energy-saving retrofit LED C9 bulbs.
What is C9 light wattage?
C9 light wattage can be up to twice as powerful as C7 lights. Due to their power, they are commonly used for commercial purposes, and really illuminate roofing and larger parts of your landscaping. We shoot for quality, and that’s why we use C9 lights to light your home brighter than any other house on the block!
What is the difference between C6 and C7 Christmas lights?
C7 lights are the same shape as C6 lights, but larger. They are a full 1” round and 1.5” tall. They are fairly versatile and can work well on medium to large outdoor trees. C7 bulbs typically burn at about 5 watts per bulb and make a great light source for your property’s holiday lighting.

Are C7 or C9 lights better?
C7 LED light bulbs use 90% less electricity, but are the same size, and can fit into the same size base as incandescent lights. They generally have 3 LEDs per base and come in smooth, faceted, and dimmable finishes. C9 LEDs have the same basic attributes as the C7s but usually have 5 LEDs to the base.
What does C9 mean in lights?
C9 bulbs are made on an E17 sized base. They are so often manufactured in-line together that the terms for C7/E12 and C9/E17 are interchangeably misused. C7/C9 refers to the size and shape of the light bulb. While E12/E17 refers to the size of the brass metal base used to screw in to the corresponding socket.
What size is C9 light?
1 1/4 inchC9 lights have a diameter of 1 1/4 inch and a height of 2 1/2 inch.
Whats the difference between C7 and C9 Christmas lights?
C7 bulbs have E12 Candelabra bases while C9 bulbs have E17 Intermediate bases. Each bulb base should be paired with a light socket of the corresponding size. If you're looking for a more unique light display outside of traditional C7 & C9 Christmas lights, consider these specialty LED bulb options.
Can you use C9 lights inside?
C9 bulbs are a go-to for those responsible for larger commercial displays and décor. LED C9 bulbs can be used on indoor trees, so they are good choice for big trees that are over 15' high, such as those in town squares or corporate campuses.
Can you put C9 lights on a Christmas tree?
C9 LED Christmas Lights are intended for large or overly dense outdoor trees. Many homeowners will hang these lights on outdoor trees because they produce a high impact light display that may be overwhelming when used on smaller, indoor trees.
What does C9 Christmas lights look like?
C9 - C9 bulbs are about 2 1/4 inches long and are the largest traditional lights that everyone associates with Christmas. They are great for outlining, wrapping and draping indoors and out. These retro bulbs are experiencing a resurgence in popularity.
What does the C mean in Christmas lights?
coneC Shapes – cone “C” stands for Cone – this is the almost pointy shape that is most traditionally associated with Christmas lights. Typical bulbs: C7, C9 and C6 with C5 and C3 to a lesser extent. The number after the C represents the diameter divided by 8: C7 bulb: 7/8 = 7/8″ diameter. C9 bulb: 9/8 = 1-1/8″ diameter.
How do you tell what size Christmas lights you have?
G Series are shaped like globes and come in a wide variety of sizes. The number after the G designates the maximum diameter of the bulb in eighths of an inch. To calculate the approximate diameter, you simply take the number after the G, divide it by 8, and round to the nearest inch.
How many strings does a C9 Christmas light have?
Average House: Use four strands of 32-foot mini lights, plus two strands of 14-foot mini lights, for a total of 500 lights. For C9 bulbs, you can use 10 of the 16-foot-long strands. Small House: Use four strands of 32-foot mini lights, for a total of 400 lights. For C9 bulbs, use 7 of the 16-foot-long strands.
How many watts are C9 Christmas lights?
A string of 25 incandescent C9 bulbs — the big plump ones often used outdoors — uses 175 watts of electricity, which works out to a whopping $15.12 to run over a season (assuming 12-hour-a-day operation for 45 days).
Can you put C7 lights on a Christmas tree?
“C7s won't burn your tree down,” he says approvingly, as if that is a selling point rather than a basic minimum requirement. “If C9s” – a larger bulb – “weren't so hot, I'd still use those.
What's the difference between C6 and C9 lights?
Their width gives them a rounded, bulbous look. C9 lights have the same traditional strawberry shape as C6 and C7, but are slightly larger than C7. C9 lights measure 1 1/4 inches in diameter and 2 1/2 inches tall. G Series are shaped like globes and come in a wide variety of sizes.
What does C7 mean on a light bulb?
What does C7 LED mean? C7 refers to the size of the base of the bulb; from base to tip the C7 bulb is a little over two inches high. C7 Christmas light bulbs have an E12 base (the same size base as the bulb you use for a traditional night light).
How many watts are C9 Christmas lights?
A string of 25 incandescent C9 bulbs — the big plump ones often used outdoors — uses 175 watts of electricity, which works out to a whopping $15.12 to run over a season (assuming 12-hour-a-day operation for 45 days).
How many C9 lights can I string together?
Besides energy savings, the ability to connect more strings together end to end is a big factor in the choice between LED and incandescent lights. For example, you can connect up to 90 sets of 25 count warm white C9 LED bulbs, whereas only 2 sets of 25 count incandescent C9 bulbs can be connected at one time.
What is a C9 LED bulb?
The C9 LED bulbs are often used on larger outdoor Christmas trees, and for outlining roofs and doors on commercial property.
How big are C9 LED lights?
C9 LED bulbs measure 1 1/4″ inches in diameter and 2 1/2″ inches tall (C9– retrofit bulbs measure 2 1/4″ x 1 1/8″ and contain 3 LEDs), while C7 LED bulbs measure 1 inch in diameter and 1 1/2″ inches tall (C7 retrofit bulbs measure 1 7/16” x 7/8” and contain 2 LEDs). They both normally can be found in single mold strings or retrofit replacement bulbs and socket wire, with the more popular choice of the being the retrofit bulbs because of their flexibility, low power draw and brightness. Using socket wire and retrofit bulbs gives you more flexibility when faced with odd measurements for example on your roof line. When using C7 or C9 socket wire you have the option to custom cut to length. Comparatively, when using the single mold C7 or C9 strings, if you have access wire you must find a way to hide it or incorporate it into your display.
What is a C7 cord?
Both types of cords (socket wire C7 and C9) use a different base size of light bulb, and the C7 cord fits a candelabra base bulb (also known as an E12 base). C7 strings and bulbs have a variety of applicable uses due to their smaller stature: Edging gardens. Wrapping and hanging in trees. For parties.
What is the difference between a C7 and C9 light bulb?
The sockets on a C7 cord are slightly smaller than on a C9 cord. If you are looking for the brightest C7 and C9 bulbs, we recommend our new SMD bulbs which can provide 21st century technology with surface mounted LEDs. Both types of cords (socket wire C7 and C9) use a different base size of light bulb, and the C7 cord fits a candelabra base bulb (also known as an E12 base).
What are C7 bulbs used for?
C7 strings and bulbs have a variety of applicable uses due to their smaller stature: 1 Edging gardens 2 Wrapping and hanging in trees 3 For parties 4 Strung along walkways on stakes or to highlight a path using stakes 5 Holiday displays
Can you use C7 wire on a C9 socket?
When using C7 or C9 socket wire you have the option to custom cut to length. Comparatively, when using the single mold C7 or C9 strings, if you have access wire you must find a way to hide it or incorporate it into your display.
Do C9 bulbs produce light?
While both of these bulbs have the similar, “traditional” strawberry shape, you will notice that the C9 bulbs will be slightly larger and in some cases (if you are buying and hanging single mold light strings, rather than individual retrofit bulbs) they may produce less light.
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.
What does C6 mean on a light bulb?
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.
What is the most beautiful Christmas light?
Christmas Star Lights. Christmas star lights are an important part of the Christmas light décor for many people, and when you look at how nice they look, you can see why. Probably the most stunning and beautiful of all star Christmas lights is the star Christmas light...
What type of Christmas lights are used on the outside of a house?
C5, C7 and C9 Christ mas 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.
What color are Christmas lights?
Blue Christmas Lights. While a lot of people enjoy a multitude of Christmas light colors for variety, there's something compelling about using one light color for your Christmas decorations, and when you look at these blue Christmas lights as one example, you'll be...
Do Christmas lights work with other lights?
Christmas lights like these work well in a complementary fashion with other Christmas lights, as well as stand on their own.
Do outdoor Christmas lights work?
Everyone talks about great Christmas light... Of all the Christmas light ideas and themes, I think outdoor Christmas lights work better because of the flexibility and different types of trees, shrubs, bushes and other things you can attach lights to to make a great Christmas scene and...

C6, C7, and C9 Christmas Lights – The Differences
- C6 Christmas Lights
These are the smallest lights that still have that traditional Christmas bulb shape. The only size smaller are mini icicle lights which have a thin, pointed shape in comparison. C6 lights (the C stands for cone Size) are generally ¾” round and 1 ⅛” tall. They have bulbs designed to illuminat… - C7 Christmas Lights
C7 lights are the same shape as C6 lights, but larger. They are a full 1” round and 1.5” tall. They are fairly versatile and can work well on medium to large outdoor trees. C7 bulbs typically burn at about 5 watts per bulb and make a great light source for your property’s holiday lighting.
Incandescent Or Led Christmas Lights?
- We previouslybroke down some of the major differences between the two light types. To summarize, an LED string will utilize less power, but burn less brightly in return. Incandescent lights can burn very bright. Just take care with this option as they get very warm. Whether you choose LED or incandescent bulbs, they’ll fit into the same strand so long as the size matches a…
C9 Christmas Light Installation – Lit Professional Lighting
- If you’re interested in the quality, high-powered brightness from our C9 lights, use Lit Professional Lighting this holiday. It’s not too late to decorate your home and lawn to show your festive spirit. Let us swoop in and give your home the best lighting decorations on the block. To get your home illuminated for the holidays, don’t hesitate to call Lit Professional Lighting at (281)-961-0781. We…