Standard Us Light Bulb Base Size

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.

Standard us light bulb base size.

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. The candelabra e12 has a diameter of 12 millimeters. It s referred to as having a medium or standard base. 60 mm wide at its widest point and approximately 4 3 8 inches 110 mm in length.

It s used for nightlight bulbs and sometimes for decorative light bulbs used in chandeliers and over bathroom mirrors. E26 is the size of most light bulbs used in the u s. Common bulbs with e26 e27 bases. 1 888 455 2800 fax 1 508 363 2900.

E17 intermediate base is in between these two sizes. The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters. Screw bases come in several sizes and they are referred to by both a descriptive name and size. Unlike the light bulb shapes the number in the light bulb base measures the light bulb base diameter in millimeters.

E12 is the smaller candelabra base. 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 vanity lights. Other sizes with a data sheet in iec 60064 are a50 a55 a67 a68 a71 a75 and a80. Light bulb socket sizes chart.

The most commonly used a series light bulb type is an a19 bulb or its metric iec equivalent the a60 bulb which is 19 8 in 2 3 8 in. 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.