What does E 12 bulb mean?

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.

What do bulb numbers mean?

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″.

How do I know if my 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.

How do you determine bulb base size?

To know the base of a light bulb, identify if it is a screw type that has threads around the base, or a pin type that has 2 points of contact on the base. After that, measure the diameter of the screw base, or the distance between the two pins, in millimeters.

Are E12 and B11 the same?

E12 describes the base type of the bulb and is the Edison screw base of the lampstand. B11 indicates the shape of the light bulb, to avoid confusion when shopping. Confusion often arises because these two codes and descriptions are usually found in the SAME bulb.

Is B11 same as E12 bulb?

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.

How do you read the numbers on a light bulb?

How to use the chart: 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 most commonly used household bulb is the A-19.

How do you read the brightness on a light bulb?

Lumens measure how much light you are getting from a bulb. More lumens means it’s a brighter light; fewer lumens means it’s a dimmer light. Lumens let you buy the amount of light you want. So when buying light bulbs, think lumens, not watts.

Is E12 same as B11?

How do I know what kind of lightbulb I have?

Light bulbs are identified by the diameter, length, shape, and screw type. This is done in the form of letter followed by a number. A normal household light bulb is on average a 60 watt light bulb. In technical terms it is an A19 type bulb.

What size is B11 bulb?

Chandelier Light Bulb Shapes