The difference between c9 and c7 Christmas lights is their bulb size. They also use different amounts of energy. They both can be retrofitted for LEDs.
One can purches C9 LED Christmas Lights in online stores such as eBay, Walmart, Amazon etc. These Christmas lights ranges from $14 to $26 ( prizes depends on color and quality of Christmas Lights ).
C7 bulbs are used almost exclusively for Christmas lights. C7 refers to the size; C7s have _ã_-inch or 22 mm diameters. The "C" line, including C5s and C6s are called "strawberry" bulbs because of the point at the top of the bulb.
The difference between a C7 chord and a Cmaj7 chord is that a C7 chord has a dominant 7th note (Bb) added to the C major triad (C-E-G), while a Cmaj7 chord has a major 7th note (B) added to the C major triad.
The average number of Christmas lights on a Christmas tree can vary depending on the size and personal preference. However, a common estimate is around 100 lights per vertical foot of tree height. So, for a 6-foot tree, you might expect around 600 lights.
The main difference between a Cmaj7 chord and a C7 chord is the presence of the major 7th note. In a Cmaj7 chord, the major 7th note is included, while in a C7 chord, the dominant 7th note is used. This gives each chord a distinct sound and feeling when played.
LED bulbs have numerous advantages over c7 bulbs. They emit little heat, they use far less energy, are brighter and they also last for years or even decades.
C maj7 means its a normal C major chord but with an added seven.Intervals are 1-3-5-7 (C-E-G-B) C7 means its a dominant chord e.g. a flattened seven.The Intervals are 1-3-5-b7 (C-E-G-Bb) Thus the difference is the flat seven,in this case the B flat. .
No idea how your question got to Bombs and Explosives, but typically C7 is the designation of the lowest of the cervical vertabrae- part of your backbone in between the shoulder blades. It is also the designation of a musical chord.
A typical C7 incandescent light bulb consumes around 5-7 watts of power. LED versions consume less, around 0.5-1 watt.
C7 envelopes are 81mm x 114mm.
F, Am,Bb,C7,Cm7,C7... Then they repeat