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What Is the Difference Between a Br30 and Br40 Light Bulb?

FAQs william September 22, 2022

It’s pretty simple. The numbers 30 and 40 refer to the size of the bulb, which is measured in 1/8th of an inch. So a BR30 bulb is 3.75 inches and a BR40 bulb is 5 inches.

Are BR30 and BR40 bulbs interchangeable?

For general lighting, most boxes are 4″, 5″ or 6″. For 4″ boxes you cannot choose BR40 bulbs – they are too big. For 5″ cans, a BR30 will fit with some space on all sides, while a BR40 will fit with little to no space on the sides.

What does BR stand for in light bulbs?

These different beam angles come from a separately formed reflector. BR stands for “Bulged Reflector“. These lamps traditionally had a domed reflector inside the body to increase the amount of light they emit, giving them a slightly curved shape.

What are BR30 bulbs used for?

BR30 bulbs provide soft, directional light and are typically found in general household lighting, recessed lighting and/or track lighting. Their lighting is less precise and casts fewer shadows than PAR bulbs, but they’re great for fixtures with dimmer switches.

What does BR30 mean on a bulb?

Manufacturers use standard numbers like PAR30 or BR30 to indicate bulb size. The number indicates the diameter of the lamp part, not the base of the bulb. The diameter of these two types of pear is measured in eighths of an inch. Example: BR30 = 30/8 inches or approximately 3 ¾ inches

Are all recessed lights the same size?

There are a range of downlight sizes. To determine size, measure the diameter in inches of the opening you cut, excluding the trim. Choose one that matches the height of your ceiling or the size of your wall.

What is soft white vs warm white?

Soft white (2,700 to 3,000 Kelvin) is warm and yellow, the typical color range of incandescent lamps. This light gives off a warm and cozy feeling and is often best suited to living rooms, dens and bedrooms. Warm white (3,000 to 4,000 Kelvin) is more yellowish-white.

What bulb is bigger than BR40?

Soft white (2,700 to 3,000 Kelvin) is warm and yellow, the typical color range of incandescent lamps. This light gives off a warm and cozy feeling and is often best suited to living rooms, dens and bedrooms. Warm white (3,000 to 4,000 Kelvin) is more yellowish-white.

How deep should the bulb be in a recessed light?

Most residential downlights have a depth of 7 ½”, which means they will generally fit.

What is difference between BR40 and R40 light bulbs?

The difference between R40 and BR40 bulbs isn’t in size (they’re exactly the same in this department), but in radiation distribution. Both have a built in reflector, but with BR40 CFL bulbs you will see a more curved beam shape compared to the more traditional shape of R40 CFL bulbs.

What is BR40 light?

BR40 is a floodlight with a large reflector. It is the largest of the R style floodlights. We like to call them “floodlights” because, like its smaller siblings, the R20 and BR30, the BR40 has a frosted diffuser to create a wider, less focused light.

What type of bulbs are used in recessed lighting?

The four types of light bulbs used in residential downlights are incandescent, halogen, compact fluorescent (CFL) and light emitting diode (LED). Incandescent light bulbs, also known as traditional light bulbs, are the oldest and least efficient technology.

Are all BR30 bulbs the same?

Although they are similar in size to PAR30 LED lamps, BR30 LED lamps mainly differ in their wide beam angle. Mechanically, this is typically achieved with a slightly domed and frosted diffuser cover on a BR30 LED lamp, as opposed to a clear, collimating lens on a PAR30 LED lamp.

What are the dimensions of a BR40 bulb?

Although they are similar in size to PAR30 LED lamps, BR30 LED lamps mainly differ in their wide beam angle. Mechanically, this is typically achieved with a slightly domed and frosted diffuser cover on a BR30 LED lamp, as opposed to a clear, collimating lens on a PAR30 LED lamp.

Are all flood lights the same size?

Second are your floodlights. These are available in three main sizes to suit most households, PAR20, PAR30 and PAR38.

Is PAR38 the same as BR40?

PAR38 fits – the number indicates eighths of an inch width, so PAR38 = 38/8″ width or 4 3/4″ width. A BR40 is 40/8 inches wide or 5 inches wide. About the same size and fits the same mounts.

What are standard size recessed lights?

The most common size for recessed lighting is 6 inches. The standard ceiling cutout size for 6″ cases is 6-3/8″, and the inside diameter of the case (excluding the case) is approximately 6″.

Is recessed lighting outdated?

Recessed lights never go out of style. However, styles and sizes vary and will change over time. Recessed lighting has too many advantages to go out of style or be phased out.

What is the difference between can lights and recessed lights?

Recessed lights, also known as can lights, are referred to as metal housings that are installed in the ceiling for an elegant look that gives you your ceiling back. Their diameter generally varies between 3″ and 6″

What color light bulb is best for bathroom?

Luminosity

As a rough guideline: Lamps labeled “Daylight”, which usually have a color temperature of 5000 Kelvin to 6500 Kelvin, or lamps labeled “Cold white” or “Bright white” with a Color temperature from 3500 Kelvin to 4100 Kelvin are ideal for the bathroom.

References:

  1. https://blog.lightingsupply.com/blog/br30-led-and-br40-led-light-bulbs
  2. https://hyliteledlighting.com/2020/05/12/br-vs-par-bulbs/
  3. https://www.conservationmart.com/blog/index.php/understanding-the-difference-between-a-par-30-and-br-30-bulb/
  4. https://www.sunco.com/blogs/sunco-blog/what-is-the-difference-between-par-and-br-bulbs
  5. https://www.homedepot.com/c/ab/recessed-lighting-buying-guide/9ba683603be9fa5395fab904f2192b8
  6. https://www.cnet.com/home/energy-and-utilities/should-you-buy-warm-or-cool-lights/
  7. https://blog.1000bulbs.com/home/light-bulb-shape-guide-br-r-shapes
  8. https://www.delmarfans.com/educate/recessed-lighting-guide/
  9. https://www.bulbamerica.com/collections/r40-br40-cfl
  10. https://www.firstledlighting.com/collections/br40
  11. https://blog.recessedlighting.com/light-bulb-types/
  12. https://www.waveformlighting.com/home-residential/how-to-choose-a-br30-led-lamp
  13. https://www.amazon.com/SYLVANIA-Lighting-15391-Incandescent-BR40-65W/dp/B009S75OJS
  14. https://www.propsee.com/article/what-size-light-bulb-do-you-need
  15. https://www.houzz.com/discussions/2704419/can-a-br40-watt-bulb-be-replaced-with-a-par30-or-par-38-bulb
  16. https://blog.recessedlighting.com/what-size-recessed-lights/
  17. https://www.lightingtutor.com/is-recessed-lighting-going-out-of-style/
  18. https://blog.expertsinyourhome.com/pros-and-cons-recessed-lights-vs-ceiling-lights
  19. https://www.thespruce.com/best-light-bulbs-for-bathrooms-4169683

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