What is an E11 bulb base?
E11 (mini candelabra) is 11mm in diameter and is a bit smaller than E12 (candelabra) which is 12mm in diameter. E11’s are most commonly used for small, halogen (hot!) bulbs and E12’s for decorative lights. I used these adapters to fit new 60W-equivalent LED lights into my old halogen fixtures.
Are E11 and E12 interchangeable?
E11 and E12 are not interchangeable.
Is E11 the same as T4?
E11 is the base type and T3/T4 refers to the halogen lamp itself, not the base. I use 100W and 150W T4 type halogen lights with E11 bases.
Are B11 and E12 bulbs the same?
The codes E12 and B11 refer to two different specifications. E12 is the type of the bulb’s base, while B11 refers to the bulb type and describes its shape. Both of these are usually found in the same bulb, leading to the mixup.
What does T4 mean on a light bulb?
A: The “T” in T3 or T4 type halogen bulbs refers to the tubular shape, (not base) while the number refers to the diameter of the bulb. So, “T” is for Tubular, (but they can also be referred to as the ‘peanut bu… see more.
What is candelabra base size?
What is the Difference between Light Bulb Bases?
| Name | Code | Diameter (mm) |
|---|---|---|
| Medium | E26 | 26 mm |
| Intermediate | E17 | 17 mm |
| Candelabra | E12 | 12 mm |
| Mini Candelabra | E11 | 11 mm |
Is B12 the same as E12?
Are B12 and E12 bulbs the same? As mentioned above, the E12 is just the diameter size of the lamp – 12mm. The B12 bulb has a glass diameter of 12*1/8 inch. So B12 and E12 bulbs are the same.
What size is B11 bulb?
Chandelier Light Bulb Shapes
| Shape | Diameter in Inches | Approx. Length (Inches) |
|---|---|---|
| B10 | 1-2/8 | 3.75-3.9 |
| B11 | 1-3/8 | 3.88 |
| C7 | 7/8 | 2 |
| C9 | 1-1/8 | 2.75-3 |