Light bulbs have identifying characteristics that are represented by a letter or series of letters and a number.
E12 vs b11 bulb.
Learn more about bulb codes and browse a visual guide to find what fits your fixture.
When purchasing chandelier bulbs or replacing a burnt out bulb it s recommended to buy them all at the same time from the same manufacturer so the color temperature and brightness is consistent for the whole fixture.
Edited to correct for the mistake jds mentioned below.
I don t know what the tolerance.
The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters.
This is a bayonet.
Dimmable e12 led candelabra bulb 60 watt equivalent b11 led chandelier light bulbs soft white 2700k 550 lumens candle base bulb for ceiling fan ul listed 12 pack 4 5 out of 5 stars 114 19 99.
The letter denotes the type of fitting the number the metric diameter or other spacings they re not all round.
So no they are not interchangeable they are two different measurements.
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.
Therefore i wonder if it is possible to get compatible led bulbs utilising the transformer or preferably to remove the transformer completely.
1 888 455 2800 fax 1 508 363 2900.
The supply is 240 volts 50 hz.
This is an edison screw.
Using a vernier to measure the base of the bulbs i get a reading of 11 64 and therefore don t know if i require e11 or e12 bulbs.
E12 e26 is the size of a base and b10 is the size and shape of the bulb so you can have a b10 bulb that is b10 and e12 or b10 and e26.
The diameter of the bulb is easily identifiable as the shape of the bulb while the length may vary depending on the manufacturer.
Cree 60 watt equivalent b11 candelabra exceptional light quality dimmable e12 led light bulb soft white 2700k 2 pack model tb11 05027mdch25 12de12 1 12 35.
In this case e stands for edison screw and b for bayonet fitting.