What are c7 bulbs?

Asked By: Aproniano Zhiro | Last Updated: 17th February, 2020
Category: hobbies and interests candle and soap making
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C7 Bulbs have a candelabra or E12 base. This size bulb is typically used for chandelier-type fixtures and decorative lighting. C9 Bulbs have an intermediate or E17 base. These are historically known as the old Christmas light bulb size. Medium Bulbs have a E26 base (E27 in Europe).

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Also asked, what is the difference between c7 and c9 lights?

C7 bulbs are the smaller than C9s. The have an E12 candelabra base, the same size as a night light bulb. C9 bulbs are larger, over 2 inches long, and fit an E17 base. They are available in 7 or 10 watts for incandescent bulbs and are generally used in the same ways as a C7 bulb.

Secondly, what is the wattage of a c7 bulb? 7 watts

Subsequently, one may also ask, what does c7 mean on a light bulb?

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). The letters LED stand for Light Emitting Diode.

What are c7 Christmas lights?

C7 Christmas light bulbs have E12 bases and are smaller than C9 bulbs. Because of their small size, C7 bulbs are popular for use indoors and on smaller residences like condos and townhomes. C7 bulbs can be wrapped around indoor trees and used to illuminate a festive mantle display.

37 Related Question Answers Found

Do c7 bulbs get hot?

The older, incandescent bulbs do get hot, which makes them a fire hazard when used on or near flammable or delicate holiday decorations. However, the LED C7 and C9 bulbs do not get hot to the touch, expanding the creative horizons of where they can be used—anywhere… which leads us to…

Which is brighter c7 or c9?

Just grab a nightlight, and if the bulb fits it, then you know you have the C7. And here's the C9 bulb. You can tell just by looking that it is the larger of the two. At 7 watts, it's quite brighter and we do offer this in a clear 10-watt version as well.

How big is a c7 light bulb?

The bulbs are generally 3/4 inch in diameter and 1 1/8 inches tall. C7 lights have the same strawberry shape as C6, but are slightly larger. They measure 1 inch in diameter and 1 1/2 inches tall. Their width gives them a rounded, bulbous look.

How many c9 lights do I need for a 7 foot tree?

Another quick estimate would be to use 100-150 lights per foot of tree (starting with a 6 ft tree). This method results in more lights than the above table. To determine the number of C7 or C9 lights for your tree, try the following: Ht x diameter (divided by 2) for trees up to 7 feet = number of lights.

What kind of Christmas lights are best for outside?


Our Top Picks
  • Best Overall: Hofert Everglow Clear White Wire Light Set at Amazon.
  • Best Budget: Home Accents Clear Light Set at Home Depot.
  • Best Icicle Lights: The Holiday Aisle Mini Icicle Light at Wayfair.
  • Best Snowflake Lights: White Snowflake LED Fairy Lights at Amazon.

What is a c7 base?

Candelabra and C7 Characteristics
A candelabra socket, which fits a C7 bulb, is a common size for old-fashioned Christmas lights with a bulb typically two inches long. The C7 lamp or bulb size is also used for nightlights and chandeliers. Sometimes the candelabra base or socket is sometimes referred to as an E12 base.

What does c6 LED lights mean?

C6 light strings are popular for illuminating bushes and trees because of their unique strawberry shape. They are also used for indoor decorating and as party or wedding accent lighting. C6 LED Lights.

What are the different sizes of light bulb bases?

(For example, E12 has a diameter of 12 mm) There are 4 common sizes of screw-in sockets used for line-voltage lamps:
  • Candelabra: E12 (diameter of 12 mm)
  • Intermediate: E17 (diameter of 17 mm)
  • Medium or Standard: E26 (diameter of 26 mm)
  • Mogul: E39 (diameter of 39 mm)

How do I know what light bulb I need?

2. Determine much light you need
  1. If you used to buy 100 watt bulbs, look for a bulb with 1600 lumens.
  2. If you used to buy 75 watt bulbs, look for a bulb with 1100 lumens.
  3. If you used to buy 60 watt bulbs, look for a bulb with 800 lumens.
  4. If you used to buy 40 watt bulbs, look for a bulb with 450 lumens.

How do I know what size light bulb I need?


To determine a light bulb size, use the full size scale shown (calibrated in eighths). Place edge of the light bulb to be identified on the top end of the scale and measure the approximate diameter by reading the measurement at the opposite edge of the light bulb.

Are e11 and e12 interchangeable?

The E26 and E27 are usually interchangeable, as are the E39 and E40, because there is only a 1 mm difference in thread outside diameter. E11 and E12 are not interchangeable.

Are b10 and e12 bulbs interchangeable?

On most packages for those light bulbs you will not see any mentioning of E12. It will normally just say B10 which is actually just specification of the shape and glass diameter (not the base). B10 with a E12 base. The B10 refers to the glass diameter of a small US candle shape light bulb.

What are the different types of light bulbs?

5 Different Types of Light Bulbs
  • Incandescent Bulbs: Incandescent bulbs are the typical bulbs.
  • Fluorescent Lamps: The fluorescent bulbs are more complex than the incandescent bulbs.
  • Compact Fluorescent Lamps (CFL):
  • Halogen Lamps:
  • Light Emitting Diode (LED):

What is an a15 bulb?

A15 bulbs are slightly smaller than A19 bulbs and typically come in outputs ranging from 10 watts to 40 watts. These smaller wattages are frequently used in applications such as appliances, signage and decorative lighting.

How many strings of LED lights can be together?


For example if your light string is rated at 20 watts, then you can run a maximum of 10 strings together in series. Now you can see why LED light strings can be run with so many more in series than traditional incandescent mini lights that require up to 10 more times the power to operate.

How many watts are in an amp?

Equivalent Watts and Amps at 120V AC
Power Current Voltage
50 Watts 0.4167 Amps 120 Volts
100 Watts 0.8333 Amps 120 Volts
150 Watts 1.25 Amps 120 Volts
200 Watts 1.667 Amps 120 Volts

What happens if you plug too many Christmas lights together?

Because light strings have a maximum wattage capacity, which is why many string lights come with a little fuse just in case you connect too many together at once. The fuse is designed to blow so you don't overload and damage your Christmas lights. This happens when your wattage exceeds the amp capacity of the circuit.