What Is The Difference Between A Br30 And Br40 Light Bulb
For 6 cans a br30 may leave so much space between the bulb and trim that you don t care for the look though this is a personal choice.
What is the difference between a br30 and br40 light bulb. Br is short for bulged reflector and the numbers 30 or 40 indicate size in 1 8ths of an inch. The r30 is an old design for reflectors that aren t as energy efficient as something known as a br30 reflector. And the 40 would be 5 dia. E26 e27 medium screw base.
To find the diameter of the lamp just divide the number after it by 8. It s a question that becomes less and less of an issue over time but people still need to know the difference. A standalone r stands for reflector which is a mirror like coating located on the inside of the bulb s glass housing boosting the light output. E g the diameter of a br 30 bulb is 30 8ths of an inch or 3 75 inches in diameter.
Pars produce a spotlight a narrow beam br bulbs are considered to be a flood light wide beam angle this blog will help you choose the right bulb for your next lighting project as you learn the differences between the bulb styles and varied sizes sunco sells. Br20 1 8 x 20 2 5 inches. For 5 cans a br30 will fit with a little space to all sides while a br40 will fit with little to no space on the sides. The difference between par and r br vs.
The base unit of any light bulb is 1 8 th of an inch. Though they bear some similarities understanding their differences will help you make better decisions about which one of these bulbs works best for your needs. Par16 par20 par30 par36 ar111 par38 from top left to bottom right. The number represents increments of an 8th of an inch.
The major difference in light produced by these led bulbs. This type of light bulb is a reflector flood and that is what the r stands for in the code. So a 30 would be 3 3 4 dia. Most common base type.
Br40 1 8 x 40 5 inches. The type and size of your bulb can be determined by the shape code made up of 1 3 letters followed by a number. Lighting and application br30 light bulbs deliver soft edged directional light and can typically be found in general household light fixtures recessed can lighting and or track lighting. Par16 led bulbs in ceiling fan fixture par30 led bulbs in recessed soffit light fixtures par16 led bulbs in eyeball light fixtures par38 led bulbs in garage security light.
Par 20 30 and 38 and br or r 20 30 and 40 despite their similar names are quite different. The difference between a br20 br30 and br40 is actually the size or diameter of the light bulb. For 4 cans you cannot choose br40 bulbs they re too big. For example a br30 is 30 8ths of an inch or 30 divided by 8 which equals 3 75 in diameter.
Br30 1 8 x 30 3 3 4 inches. The diameter dimensions have almost nothing to do with the power of the bulb or with the.