Incandescent bulbs are the most familiar type of household bulb. The styles are chandelier or candelabra bulbs, standard bulbs such as “A” or “G”, and flood lamps. These bulbs have a screw-in base and are easy to install. For incandescent bulbs the wire filament is heated, then the light is emitted.

How do I know what type of lightbulb I have?

Bulbs shapes have an alphanumeric code. The letter tells you the general shape of the bulb and number tells you the width or diameter of the largest part of the bulb in eighths of an inch. For example, the common and well-known standard light bulb for a table lamp is also referred to as an “A19”.

What size is my chandelier bulb?





The following numeric value is the diameter measured in eighths of an inch. For example, a C11 shaped chandelier bulb is 8/11 or (1.375) inches wide.
Chandelier Light Bulb Shapes.

Shape Diameter in Inches Approx. Length (Inches)
C11 1-3/8 3.85-4
C15 1-7/8 4.5
CA10 1-2/8 4-4.25
F10 1-2/8 3.06

How do you read a light bulb code?

The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is “A” type and the diameter would be 23/8″.

What are the 4 types of bulbs?

For residential settings, there are four main types of light bulb:

  • Incandescent bulbs.
  • Halogen bulbs, a subcategory of incandescent bulbs.
  • Fluorescent bulbs.
  • LED bulbs.

What size bulb do I have?





Bulb sizing is very straightforward and simple, it is based on the diameter of the bulb at its widest point, measured in eighths of an inch (⅛”). For example, the designation “T12” indicates a tubular bulb that is 12 eighths of an inch (12/8”) in diameter (or 1 ½”).

What size is a candelabra base bulb?

12 mm

Candelabra: E12 (diameter of 12 mm) Intermediate: E17 (diameter of 17 mm) Medium or Standard: E26 (diameter of 26 mm)

How do I identify a candelabra bulb?

‘ So the E26 measures exactly 26 mm across the diameter of the base of the bulb. The E12 screw type bases are called candelabra, chandelier or pendant lights. They are also common as they are used in decorative chandeliers and table lamps, or wall sconces, festive lights, restaurant fixtures, and marquees.

Are chandelier and candelabra bulbs the same?



First off, let’s look at the chandelier bulbs. A chandelier bulb is the bulb with the candle-like shape that is commonly used on the chandelier. On the contrary, a candelabra bulb refers to the bulb with a candelabra base ( i.e, e12 bulb base), so you can call it e12 bulb either.

Are G25 and E26 bulbs the same?

The G25 shape is usually pared with a E26 (medium) base, similar to that of a standard A19 and come in outputs ranging from 25 watts to 60 watts. G25 LED Bulb Replacements G25 shaped LED bulbs now exist and are a great replacement for decorative and vanity applications.

Is E26 and E27 the same?

E26 stands for 26 mm and the E27 for 27 mm in diameter. These two standards are interchangeable, meaning a US E26 will fit in a European E27 base, and E27 will fit in a E26 base. The only difference is the voltage (for light bulbs).

What does an E27 light bulb look like?



E27 bulbs, often referred to a ES bulbs which is an acronym for Edison-screw, have a threaded base for use with compatible screw in fixtures. The base of an E27 light bulb is 27mm wide and is a popular fitting in a range of domestic settings for lamps and feature lights.

Is it safe to use E26 bulb in E27 socket?

In general, an E27 bulb can be used safely in the E26 socket. However, using an E26 bulb in an E27 socket can be dangerous. The reason for this is the E26 bulbs can only receive up to 120 volts and not 240 volts. There should be a greater distance between the neutral and live contact with higher voltages.

Is E26 a regular light bulb?

The most common type of light bulb here in the United States has what is referred to as a “Medium” base or “Standard” base. The word “base” is referring to the threaded part of the light bulb that screws into the socket. A Medium or Standard base light bulb is also referred to as an E26 base light bulb.

What light bulb fits in E26?

Now You Know That… E26 refers to the thread base size of 26mm. It’s the most commonly used American light bulb thread. E26 bulbs can be used with various bulb shapes like standard A19, vintage, globe, tubular, candle, and smart bulbs.

What is E26 bulb size?



26 mm

Medium or Standard: E26 (26 mm in diameter) is the size of the majority of light bulbs used in the United States.