What Size Base Is A Regular Light Bulb

The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth.

What size base is a regular light bulb.

Fluorescent pin bases miniature bipin medium bipin single pin recessed double contact 4 pin single ended 4 pin 2gx 13 axial twist lock bases 10mm gu10 10mm gx10 24mm gu24 bi pin bases 4mm g4 4mm gu4 4mm gz4 5 3mm g5 3 5mm g5 5 3mm gu5 3 5 3mm gx5 3 5 3mm gy5 3 6 35mm g6 35 6 35mm gy6 35 6 35mm gz6 35 8mm gy8 8 5mm g8 5 9mm g9 9mm g9 pin. It is found on smaller light bulb. The e in the light bulb size refers to edison the inventor of the screw base light bulb and screw base light bulbs are sometimes called edison light bulbs candelabra bases are mostly used in smaller decorative incandescent cfl and ccfl light bulbs. They are commonly used for general lighting in standard light fixtures such as ceiling lights lamps can lights outdoor spotlight and flood light fixtures and.

The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters. E12 is the smaller candelabra base. Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size. E26 is the size of most light bulbs used in the u s.

It s referred to as having a medium or standard base. Bulbs with these bases are the most popular of all screw base bulbs. The intermediate e17 base is not very common. The a series light bulb is the classic glass light bulb shape that has been the most commonly used type for general lighting service gls applications since the early 20th century.

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. It s used for nightlight bulbs and sometimes for decorative light bulbs used in chandeliers and over bathroom mirrors.