What Size Is A Normal Light Bulb Base

There are three basic sizes.

What size is a normal light bulb base.

A normal light bulb would probably be a 50 to 70 watt incandescent light bulb but these are getting phased out so you may not be able to buy them in your area. Most commonly used r br series bulbs size chart. Click or tap on a base to view matching bulbs from our catalog. Bulbs with these base types can be used interchangeably as there is only a 1 millimeter difference in base size.

M base is standard. Types of light bulbs bases most a shaped lamps have a screw base e12 e17 or e26. The following is a list of common basic types presented on a size lamps. 3 points 5 years ago.

Step 3 identify a plug in type base by the appearance of a rectangular protrusion on the plug end of a compact florescent bulb. Bulbs with these bases are the most popular of all screw base bulbs. The industry uses many terms for the same size. Pins are found on one or both ends of fluorescent bulbs.

Typically used for chandelier type fixtures and decorative lighting. The exx number preceding each bulb style type refers to the diameter of the base in millimeters mm. 1 888 455 2800 fax 1 508 363 2900. C7 e12 candelabra base bulbs.

A 15 would be an average refrigerator bulb in size or bulbs in a light kit on a ceiling fan. Screw bases 10mm miniature screw e10 11mm miniature candelabra e11 12mm candelabra e12 14mm european e14 17mm intermediate e17 26mm medium e26 26mm medium skirted 27mm european medium e27 39mm mogul e39. The t8 the t12 medium bi pins with the t12 being spaced further apart and the miniature bi pin. On our website we refer to our bulbs and string lights as c7 c9 and medium.

For example a lamp with a medium base or e26 measures 26 millimeters 1 02 inches at its widest point on the base. In the us a normal bulb base is usually considered to be the e26 27 medium screw in base outlined in the following chart. Thus the standard medium bulb base is either 26 or 27 mm or about one inch in diameter. Diameter in one eights of an inch.