Standard Lamp Bulb Base Size

It s referred to as having a medium or standard base.

Standard lamp bulb base size.

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 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. The number that follows the a designation indicates the nominal major diameter of the bulb either in one eighth. Bulbs with these bases are the most popular of all screw base 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. Here is the light bulb socket size chart to help you determine what size do you need your light bulb to be. G14 led bulbs in ceiling light fixture g30 led bulbs in bathroom vanity g30 led filament bulb in porch light fixture g16 gold tint led filament bulbs in ceiling light fixture. E17 intermediate base is in between these two sizes.

It s used for nightlight bulbs and sometimes for decorative light bulbs used in chandeliers and over bathroom mirrors. The intermediate e17 base is not very common. 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. 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.

Comzler frosted a15 led bulbs 6 watts soft white light 2700k 60 watts globe light bulb equivalent e26 standard screw base a15 g45 shape led appliance bulb refrigerator 6 pack check latest price on amazon. Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size. It is found on smaller light bulb. From top left to bottom right.

You can compare most common e size designations with a thread diameter see the specific light bulb name for that size see what are the most common applications and even see the official standard for light bulbs. The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters. 1 888 455 2800 fax 1 508 363 2900. Globe g bulbs have a full round shape and are available in various sizes.

It has a pear like shape and is typically fitted to either an edison screw or a bayonet cap base.