Light Bulb Shapes Types Sizes – Identification Guides and Charts





Light bulbs are identified by the diameter, length, shape, and screw type. This is done in the form of letter followed by a number. A normal household light bulb is on average a 60 watt light bulb. In technical terms it is an A19 type bulb. The A means Arbitrary Shape and the 19 means size in diameter (19/8th inches or 2 3/8th inches). If you need to identify a certain type of light bulb, we have charts for bulb shapes, sizes, screw types, series, and base sizes to help you identify which light bulb you need. See below for different bulb lumens, watts, series, base sizes, screw types, and more.

light bulb bases E style chartLight bulb bases E style chart

light bulb shape chartLight bulb shape chart

light bulb bases fluorescent style chartLight bulb bases fluorescent style chart








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Need to replace light bulbs?Need to replace light bulbs? Find thousands of light bulbs here!

Bulb Sizes Shapes - A Series BulbsBulb Sizes Shapes – A Series Bulbs

Bulb Sizes Shapes - ALR Series BulbsBulb Sizes Shapes – ALR Series Bulbs

Bulb Sizes Shapes - AR Series BulbsBulb Sizes Shapes – AR Series Bulbs







Bulb Sizes Shapes - B Series BulbsBulb Sizes Shapes – B Series Bulbs

Bulb Sizes Shapes - BR Series BulbsBulb Sizes Shapes – BR Series Bulbs

Bulb Sizes Shapes - BT Series BulbsBulb Sizes Shapes – BT Series Bulbs

Bulb Sizes Shapes - C-7 F Series BulbsBulb Sizes Shapes – C-7 F Series Bulbs

Bulb Sizes Shapes - CA Series BulbsBulb Sizes Shapes – CA Series Bulbs

Bulb Sizes Shapes - E Series BulbsBulb Sizes Shapes – E Series Bulbs

Bulb Sizes Shapes - ED Series BulbsBulb Sizes Shapes – ED Series Bulbs







Bulb Sizes Shapes - F Series BulbsBulb Sizes Shapes – F Series Bulbs

Bulb Sizes Shapes - G Series BulbsBulb Sizes Shapes – G Series Bulbs

Bulb Sizes Shapes - LINESTRA Series BulbsBulb Sizes Shapes – LINESTRA Series Bulbs

Bulb Sizes Shapes - MR Series BulbsBulb Sizes Shapes – MR Series Bulbs

Bulb Sizes Shapes - PAR Series BulbsBulb Sizes Shapes – PAR Series Bulbs

Bulb Sizes Shapes - PS 25 PS 35 Series BulbsBulb Sizes Shapes – PS 25 PS 35 Series Bulbs

Bulb Sizes Shapes - R Series BulbsBulb Sizes Shapes – R Series Bulbs

Bulb Sizes Shapes - RP MB BT Series BulbsBulb Sizes Shapes – RP MB BT Series Bulbs







Bulb Sizes Shapes - S Series BulbsBulb Sizes Shapes – S Series Bulbs

Bulb Sizes Shapes - T Double Ended Halogen Series BulbsBulb Sizes Shapes – T Double Ended Halogen Series Bulbs

Bulb Sizes Shapes - T Series BulbsBulb Sizes Shapes – T Series Bulbs

Terms Reference:
MES
– Medium Edison Screw
ACEC – Advisory Committee on Electromagnetic Compatibility (part of IEC)
ES – Edison Screw
IEC – International Electrotechnical Commission (or CEI in French) – Sets standards

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