E11 and E12 are not interchangeable. Thank you, Wikipedia. So E11 is a thing, it is used for high intensity halogens. That bulb is a common night light or festoon (Christmas style string) light, so it will be E12.

How do I know what size base my light bulb is?

A further explanation of the light bulb base sizes, you can look at the letter-number references (E12, E17, and E26) to help understand a bulbs base style and size. The first letter designates the shape or form of the base, and the number represents the width of the base (normally in millimeters).

How do I know if my bulb is E12?

E12 uses the same naming system as E26, whereby the letter “E” signifies an Edison screw base. The two digits after the letter “E” indicates the diameter of the screw base, in millimeters – 12 millimeters, or approximately half an inch.

Is B11 same as E12?

The codes E12 and B11 refer to two different specifications. E12 is the type of the bulb’s base, while B11 refers to the bulb type and describes its shape. Both of these are usually found in the same bulb, leading to the mixup.

What size screw is my light bulb?

Quote from the video:
Quote from Youtube video: It's exactly 26 millimeters on this medium screw baseball.

What size is E17 base?


Designation Base major diameter (thread external) Name
E16 16 mm (0.630 in)
E17 17 mm (0.669 in) Intermediate Edison Screw (IES), C9
E18 18 mm (0.709 in)
E26 26 mm (1.024 in) (Medium one-inch) Edison Screw (ES)

What is E17 base?

E17 Intermediate – Edison 17-mm Diameter

Like candelabra bulbs with E12 bases, bulbs with E17 bases are used for decorative applications, such as chandeliers, wall sconces, Christmas lights, restaurant pendant lights, ornamental lights, and sign or marquee lights.

What size bulb is E12?

Size of the Base

It’s the diameter of the screw base in millimeters, so an E12 light bulb has an Edison Screw base that’s 12 millimeters in diameter. It’s also known as a candelabra-style bulb. Think of chandeliers, night-lights or candelabra-style lamps with the smaller bulbs to envision an E12 bulb base.

Is E12 a standard bulb?

E26 is the size of most light bulbs used in the U.S. It’s referred to as having a “medium” or “standard” base. E12 is the smaller “candelabra” base. It’s used for nightlight bulbs, and sometimes for decorative light bulbs used in chandeliers and over bathroom mirrors.

What size is a E12 base?

Edison Light Socket Sizes Chart

Size Name Base major diameter (thread external)
E12 Candelabra Edison Screw (CES) 12 mm
E14 Small Edison Screw (SES) 14 mm
E17 Intermediate Edison Screw (IES) 17 mm
E26 Edison Screw (ES or MES) 26 mm

Are E11 and E12 interchangeable?

E11 (mini candelabra) is 11mm in diameter and is a bit smaller than E12 (candelabra) which is 12mm in diameter. E11’s are most commonly used for small, halogen (hot!) bulbs and E12’s for decorative lights. I used these adapters to fit new 60W-equivalent LED lights into my old halogen fixtures.

What are the different light bulb socket sizes?

The three most often used sockets in the United States of America are the E12 (candelabra), the E26 (medium), and the E39 (mogul). As indicated in the table, there are several sockets that fall between these sizes. These three types of lighting are the most frequently used in traditional lighting.

Is G25 the same as E26?

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.

What is the difference between E26 and A19?

A19 is the size and shape of the overall bulb. E26 is the Size, shape, and threading of the metal base. A19 E26 is the common bulb used in the US. 35 of 35 found this helpful.

What is equivalent to E26 bulb?

Intermediate: E17 North America, E14 (Small ES, SES) in Europe. Medium or standard: E26 (MES) in North America, E27 (ES) in Europe.

What light bulb is equivalent to E26?

LED 60W Equivalent Light Bulbs with a Medium (E26) Base | Bulbs.com.

What size is E26 base?

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.

Is A15 the same as E26?

There’s a “bulb size” and a “base size.” The bulb size is self explanatory. The A15’s are smaller bulbs, while the A19’s are larger. They both fit in a standard household medium base (E26 base.)