The first thing to note is that the wattage of an incandescent bulb varies by size and by the length of the string.
C7 vs c9 bulb size.
The numbers in c7 and c9 are their diameters so that naturally means that c9 bulbs are larger than c7.
Here are a few to keep in mind.
Although you can connect up to three sets of christmas.
E12 cords commonly used with c7 bulbs are seen all year as well but also especially at christmas.
The c7 lamp base size is different than the larger old fashioned christmas bulb which is called a c9 and is over three inches long.
C9 christmas lights on the other hand utilize bulbs starting from 7 watts and up to 9 watts.
Choose a cord based on the size of the threaded base on each bulb.
C9 s use e17 cords.
C7 bulbs are smaller than c9 bulbs by 1 inch.
All of the bulbs in these groups resemble the shape of a candle flame and are often referred to as candle bulbs.
C7 bulbs sit in a base known as a candelabra base and can only fit in this specific type of base.
B10 c7 c9 c15 ca10 from top left to bottom right.
C7 bulbs are the smaller than c9s.
C9 lights have the same traditional strawberry shape as c6 and c7 but are slightly larger than c7.
E26 is most commonly seen lighting across large spaces like patios beer gardens and amusement parts.
The b and c groups.
C9 christmas light bulbs usually come in 5 watts although some are 7 watts.
There are a few notable differences between c7 christmas light bulbs and c9 bulbs that you should understand when deciding which one would work best for your intended holiday lighting application.
C9 bulbs sit in a base known as an intermediate base.
C9 lights measure 1 1 4 inches in diameter and 2 1 2 inches tall.
Photo showing their relative sizes.
The image below compares our g40 and g50 bulbs in c7 and c9 base sizes.
C9 christmas light bulbs on the other hand feature a bigger e 17 intermediate size base.
G50 s are round bulbs and the 50 is their diameter in millimeters which is 1 7 8 inches.
The image below compares our g50 bulbs in all three base sizes.
E17 cords used many times with c9 bulbs are seen all year but especially at christmas.
C7 bulbs are 2 inches long and c9 bulbs are 3 inches long.
C7 s use e12 cords.
B10 led bulbs in wall sconce ca10 led bulbs in chandelier c9 led bulbs in christmas light strings c7 led bulb in night light.
C9 bulbs will only work in an intermediate base.