What is the difference between BR30 and BR40?
BR30 vs BR40 In a Nutshell It’s pretty simple. The numbers 30 and 40 refer to the size of the bulb, which are measured in 1/8 of an inch. So a BR30 bulb measures 3.75 inches, and a BR40 is 5 inches.
What does BR mean in LED lights?
bulged reflector
BR stands for “bulged reflector.” These bulbs traditionally had a bulged reflector inside the housing to increase the amount of light they put out, giving them a slightly bulging shape. This also creates a softer light to view a wide area without harsh edges or intense shadows.
What is the difference between R40 and BR40 bulbs?
The difference between R40 and BR40 bulbs isn’t size (they’re the exact same in that department) but beam spread. Both feature a built-in reflector, but with BR40 CFL bulbs, you can see a more bulged beam shape versus the more traditional shape of R40 CFL bulbs.
What do the numbers on a light bulb mean?
The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is “A” type and the diameter would be 23/8″.
What are the dimensions of a BR40 light bulb?
Shapes
| Shape | Diameter (inches) | Diameter (inches) |
|---|---|---|
| BR20 | 2-1/2 | 2 |
| BR30 | 3-6/8 | 2-1/2 |
| BR38 | 4-6/8 | 3-6/8 |
| BR40 | 5 | 5 |
Can I use LED bulbs in recessed lighting?
In fact, most remodeling recessed lighting uses LED bulbs because of the ease of installation, as well as the energy efficiency. LED bulbs last much longer than other kinds of light bulbs. You won’t have to change them as often once you make the switch.
What is the difference between par 38 and BR40?
PAR38 will fit – the number denotes eighths of inches wide, so PAR38= 38/8″ width, or 4 3/4″w. A BR40 is 40/8″ inch wide, or 5″ wide. About the same size and will fit in the same fixtures.
What does BR30 bulb mean?
Manufacturers use standard numbers like PAR30 or BR30 to indicate the bulb size. The number indicates the diameter of the lamp portion, not the base of the bulb. Diameter for these two bulb types is measured in eighths of an inch. Example: BR30 = 30/8 inches or approximately 3 ¾”
What is diameter of BR40 bulb?
Are R40 and BR40 interchangeable?
Is R40 the Same as BR40? While R40 sounds similar to BR40, they are very different in design and application. The biggest difference between R, BR, and PAR flood light bulbs is the reflector which is the part of the bulb that reflects and distributes the light emitted.
How do you determine bulb base size?
To know the base of a light bulb, identify if it is a screw type that has threads around the base, or a pin type that has 2 points of contact on the base. After that, measure the diameter of the screw base, or the distance between the two pins, in millimeters.
What is the difference between br40 and R40?
While R40 sounds similar to BR40, they are very different in design and application. The biggest difference between R, BR, and PAR flood light bulbs is the reflector which is the part of the bulb that reflects and distributes the light emitted.
What is the difference between Par and BR bulbs?
Applications. BR30 and PAR30 both have the same diameter of 3.75 inches.
What is the best light bulb?
6-watt LED light bulb: About 450 lumens
What is medium base on a light bulb?
Take a light bulb out out of most lamps and fixtures and the threaded brass base is what is called a medium base. There is an intermediate base that is smaller, but less widely used. Smaller yet is the Candelabra base and smallest is the Mini-Candelabra base. Larger than the medium base, is the rarer Mogul base. Read full answer here.