Types of christmas lights bulb sizes.
C7 bulb socket size.
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.
Here is the light bulb socket size chart to help you determine what size do you need your light bulb to be.
Depending on their size these bulbs can be used in applications ranging from chandeliers wall sconces and pendant lights to basement and garage troffer light fixtures.
C7 s use e12 cords.
Numbers in each code refer to the bulb s diameter in one eighths of.
The image below compares our g40 and g50 bulbs in c7 and c9 base sizes.
C9 bulbs are larger over 2 inches long and fit an e17 base.
Many bulbs with these bases are designed to mimic the look of a candle flame.
These are used for outlining roofs stringing on pergolas and outlining driveways.
The have an e12 candelabra base the same size as a night light bulb.
Choose a cord based on the size of the threaded base on each bulb.
The numbers in c7 and c9 are their diameters so that naturally means that c9 bulbs are larger than c7.
7 8 7 8 diameter.
C9 s use e17 cords.
You can compare most common e size designations with a thread diameter see the specific light bulb name for that size see what are the most common applications and even see the official standard for light bulbs.
Brightown g40 replacement light bulbs 5w clear globe bulb fits e12 c7 candelabra screw base sockets 1 5 inch dimmable light bulbs for indoor outdoor patio decor pack of 25 4 6 out of 5 stars 1 398 14 39 14.
9 8 1 1 8 diameter.
The image below compares our g50 bulbs in all three base sizes.
15 8 1 7 8 diameter.
C7 bulbs are the smaller than c9s.
Common bulbs with e12 bases.
Light bulb socket sizes chart.
For example it takes only 4 watts to illuminate a 70 light led string but it takes 4 5 watts per bulb to illuminate a string of c7 incandescent lights.
Led lights generate less heat thus reducing the risk of fire.
C7 c9 ca10 b10.
They are around 1 1 2 inches long and generally use 5 watt bulbs for incandescent bulbs.