What are the sizes of screw in light bulbs?
What are the sizes of screw in light bulbs?
Edison Screw Cap
| Name | Product Code | Diameter |
|---|---|---|
| Candelabra Edison Screw (CES) | E12 | 12mm |
| Small Edison Screw (SES) | E14 | 14mm |
| Edison Screw (ES) | E27 | 27mm |
| Giant Edison Screw (GES) | E40 | 40mm |
How do I know what size my light bulb is?
The light bulb size is determined by the maximum overall diameter (MOD) of the bulb’s shell. It is represented in eighths of an inch (1/8″). It’s also important to keep in mind the bulb’s length (or height) that is defined as the maximum overall length (MOL) expressed in inches.
What is difference between E12 and E14?
When a ruler is not available, the most common fittings, the E26/E27, and E12/E14, is roughly the same length of an adult’s thumb (the E26/E27) and little finger (the E14, the E12 is 2mm shorter.)
What is a small screw in bulb called?
Edison screw (ES) is a standard lightbulb socket for electric light bulbs. The bulbs have right-hand threaded metal bases (caps) which screw into matching threaded sockets (lamp holders).
What is the screw in part of a light bulb called?
A lightbulb socket, light socket, lamp socket or lampholder is a device which mechanically supports and provides electrical connections for a compatible electric lamp. Sockets allow lamps to be safely and conveniently replaced (re-lamping).
What is the standard light bulb socket size?
E26
E26 is the size of most light bulbs used in the U.S. It’s referred to as having a “medium” or “standard” base. E12 is the smaller “candelabra” base. It’s used for nightlight bulbs, and sometimes for decorative light bulbs used in chandeliers and over bathroom mirrors.
What are standard light bulb sizes?
Numbers in each code refer to the bulb’s diameter in one-eighths of an inch.
- A15 bulb: 15/8 = 1-7/8″ diameter.
- A19 bulb: 19/8 = 2-3/8″ diameter.
- A21 bulb: 21/8 = 2-5/8″ diameter.
- A25 bulb: 25/8 = 3-1/8″ diameter.
- G11 bulb: 11/8 = 1-3/8″ diameter.
- G14 bulb: 14/8 = 1-3/4″ diameter.
- G16/G50: 16/8 = 2″ diameter.
How do I know if my bulb is E14?
Ok, the easiest way to tell an E14/SES bulb from an E27/ES bulb is:
- E27/ES: roughly the same width as your thumb – find E27/ES replacement bulbs.
- E14/SES: roughly the same width as your little finger – find E14/SES replacement bulbs.
What size screw is E27?
The most popular ES or E27 fitting is 27mm diameter and is widely used in UK and Europe. This cap is the standard 27mm diameter screw cap for UK 240V light bulbs – not to be confused with E26, which is a 26mm size and is designed for the 120V US market.
Are all screw in light bulbs the same?
E26/E27 Medium – Edison 26-mm or 27-mm Diameter E26 bulbs are primarily used in North America while E27 bulbs are most popular in Europe. Bulbs with these base types can be used interchangeably as there is only a 1-millimeter difference in base size. Bulbs with these bases are the most popular of all screw base bulbs.
