What does R14 mean on a light bulb?

Like all light bulbs, the 14 value represents the diameter of the bulb in 1⁄8 of an inch. Therefore, a R14 is 1.75 inches in diameter.

What size is my light bulb?

Bulb sizing is very straightforward and simple, it is based on the diameter of the bulb at its widest point, measured in eighths of an inch (⅛”). For example, the designation “T12” indicates a tubular bulb that is 12 eighths of an inch (12/8”) in diameter (or 1 ½”).

What is E17 base?

Intermediate Screw Base (E17) Bulbs are sometimes called Intermediate Edison Screw (IES), “E” stands for “Edison” and “17” indicates the diameter in millimeters as measured across the peaks of the thread on the base, e.g., E-17 base bulbs have a diameter of 17 mm.

What is E26 bulb?

The term E26 refers to a light bulb’s cap or base – the bulb component that allows for both electrical and mechanical contact. The letter “E” in E26 refers to Edison Screw, the most standard of lamp bases, while the numerical “26” refers to its diameter in millimeters (approximately 1 inch).

What is the difference between R and BR bulbs?

BR bulbs are descendants of the R-shape bulb and therefore very similar in shape. However, the “Bulged Reflector” bulb (abbreviated as “BR”) includes an extra reflector in the neck of the bulb to better capture and cast light forward which was previously lost in the neck and sides of the standard R bulb.

How do I know if a light bulb will fit?

If you choose the wrong base the bulb will not fit, you should never force the bulb into the base of your fixture it should fit very easily. To find the size of you base you need to measure the width of your base in mm, the number you get is the size of your base.

Are E26 and E17 the same?

(For example, E12 has a diameter of 12 mm) There are 4 common sizes of screw-in sockets used for line-voltage lamps: Candelabra: E12 (diameter of 12 mm) Intermediate: E17 (diameter of 17 mm) Medium or Standard: E26 (diameter of 26 mm)

Are E12 and E17 the same?

E17: slightly bigger than an E12 string (so, not the same size as a nightlight!)

Is E26 a regular light bulb?

The most common type of light bulb here in the United States has what is referred to as a “Medium” base or “Standard” base. The word “base” is referring to the threaded part of the light bulb that screws into the socket. A Medium or Standard base light bulb is also referred to as an E26 base light bulb.