Common Light Bulb Base Types
Medium – Standard base code: E26.Candelabra – Base code: E12.Intermediate – Base code: E17.Pin Type Bases – Base Codes GU5.3, GU10, and GU24.
How do I know what base my light bulb is?
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.
What are the standard light bulb bases?
Medium or Standard: E26 (26 mm in diameter) is the size of the majority of light bulbs used in the United States. Mogul: E39 (39 mm in diameter) is utilized for street lights and high-wattage lamps.
Are E26 and A15 the same?
The A15’s are smaller bulbs, while the A19’s are larger. They both fit in a standard household medium base (E26 base.)
What is a Type B base light bulb?
Sometimes known as “candelabra bulbs,” Type B bulbs are bullet or flame-shaped, smaller in size and carry less wattage than other bulbs. Some Type B bulbs buldge at the base and get thinner as they reach the tip, while others retain the same narrow shape from bottom to top.
Is A19 and E26 the same?
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.
What are the 3 types of light bulbs?
There are three basic kinds of light bulbs on the market: incandescent, halogen, and CFL (compact fluorescent light).
What is a Type A medium base bulb?
“E” refers to “Edison,” which is the type of “screw in” style base people in the United States are most familiar with. 26 refers to 26 mm across. (This is also called a “medium” base.) So the light bulb that most of us have used in our homes here in the States is an A19 bulb with an E26 base.
Is a medium base light bulb a standard base?
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.
Are all light bulb bases the same?
What is the Difference between Light Bulb Bases? There are tens of unique bases for light bulbs. The most familiar is the Edison screw base found on most incandescent bulbs and many halogen, compact fluorescent, HID and now LED bulbs. The common terms are medium, intermediate, candelabra and mogul.
What is E17 bulb base?
Intermediate Screw Base (E17) Bulbs are sometimes called Intermediate Edison Screw (IES), “E” stands for “Edison” and “17” indicates the diameter in millimeters as measured across the peaks of the thread on the base, e.g., E-17 base bulbs have a diameter of 17 mm.
What is the difference between E11 and E12 base?
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.
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 size base is E26?
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?
The term E26 refers to a light bulb’s cap or base – the bulb component that allows for both electrical and mechanical contact. The letter “E” in E26 refers to Edison Screw, the most standard of lamp bases, while the numerical “26” refers to its diameter in millimeters (approximately 1 inch).
How can you tell if a bulb is type B?
Type B bulbs are longer and have a tip on the end. These bulbs are usually used in decorations like chandeliers and pendant lighting.
Can I use a type A bulb in a Type B fixture?
The Type B is also known as a Candelabra base or a Chandelier Type Lamp because it is most commonly used in chandelier fixtures. That being the case, there are socket adapters to allow a Type B Lamp to be used in a Type A Socket, but not for a Type A bulb to be used in a Type B Socket.
What does B 10 mean in a light bulb?
B10 refers to bulb shape and means “blunt tip”. They can be medium base (E26) or candelabra (E12). E12 means American style candelabra base.
