Understanding BR Light Bulb Sizes: A Comprehensive Guide

Today, we are going to share BR light bulb sizes to help you choose the right one for your space.

We are an expert lighting solution provider with years of experience in the lighting industry. If you are curious about BR light bulbs, read this blog post till the end.

Let's dive in.

Introduction to Light Bulbs

Light bulbs are indispensable, as they provide the necessary lighting for different processes and set the appropriate mood in homes.

It is estimated that an average home spends around 15% of total electricity consumption through lighting alone, with the DOE pointing out that using the correct bulb type can make a huge difference.

Importance of correct light bulb size

Based on the current CBECS survey in 2018, lighting consumed around 208 billion kWh, comprising 17% of the total electricity.

Choosing the correct light bulb size is crucial for several reasons:

• Ensures Proper Fit and Function in Fixtures

A bulb that perfectly fits its fixture works safely and offers the requisite type of lighting. Inadequate matching can result in poor installation, decreased operational efficiency, and even shocks or fires.

• Affects Light Output and Energy Efficiency

The size of the bulb, as well as the type of the bulb, determines the amount of light output together with the energy consumed. Appropriate bulb sizing maximizes efficiency since it gives the most light and takes minimal energy.

Overview of light bulb types and shapes

• Various light bulb Shapes and Sizes for Different Applications

Starting with the usual A-shaped bulbs used for general illumination and moving to the BR-shaped bulbs that offer comprehensive and focused beam angle, each shape is designed for a specific purpose.

• Understanding light bulb Codes and light Bulb Shape

Codes like BR20, BR30, and BR40 reflect the shape and size of the bulb intended to be used. These codes assist in the recognition of usable bulbs for specific installations and uses to gain the recommended illumination impact and productivity.

Types of Light Bulbs

A Series: A15, A19, A21, A25

These are the most commonly used light bulbs for general lighting in residential and commercial buildings. The number of zeroes after the alphabetical character indicates the bulb's diameter in an eighth of an inch. For instance, the A19 bulbs have a 19/8 of an inch diameter.

B and C Series: B10, C7, C9, C15, CA10

These bulbs are mainly used in chandeliers, sconce lamps, recessed lights, and other home decorations to add a decoratively beautiful outlook.

Again, like with the A series, the number indicates the bulb's diameter by eighths of an inch. For example, one can have a bulb, and its name may be B10, meaning it measures 10/8 inches long.

G Series: G11, G14, G16/G50, G60, G25, G80, G30

These bulbs can be helpful in open fixtures and exposed bulb scenarios, providing a fashionable look and satisfactory light distribution.

It can be in inches, such as G25, a band that is a quarter of 25 inches, and in millimeters, for example, the G50, which is a band of 50 millimeters in diameter.

MR Series: MR11, MR16

These small directional bulbs can illuminate artwork or other items on a stand or track lighting system. The digit that follows ‘MR’ refers to the diameter measured in eighths of an inch.

For example, an MR 16 bulb has a diameter of 16/8 of an inch; an MR 19 bulb has a diameter of 19/8 of an inch, and so on.

T Series: T7, T8, T10, T12, T14

These bulbs are elongated and used in different fixtures ranging from under cabinet lighting, vanity lighting, and more with clean lines. Like with other series, the number denotes the bulb’s diameter in increments of eighths of an inch.

For instance, a T8 bulb is 8/8 inch in size in terms of diameter.

LFL and T Series: T5, T8, T12

These bulbs are standard in commercial and residential areas; they emit bright and evenly distributed light. The T series in this category also uses the same measurement system where the number indicates the diameter in eighths of an inch.

For instance, a T5 bulb is 5/8 of an inch in diameter.

BR Light Bulbs

What are BR Light Bulbs?

BR LED bulbs or Bulged Reflector bulbs are directional and distinguished by their ability to provide a large beam of soft and diffused light. These bulbs are typically applied when uniform light over a large area is needed or required.

BR Light Bulb Sizes: BR20/R20, BR30, BR40

The number next to ‘BR’ or ‘R’ means the bulb’s eight-inch diameter. For instance, a BR30 bulb equals 30 divided by 8 inches or 3. 75 inches in diameter.

BR bulbs are standard and often employed in various fixtures to give practical and visually satisfactory solutions.

BR vs. R Shaped Light Bulbs

BR Bulbs:

Traditional BR bulbs have a reflector that extends outwards, which helps direct more light forward, making the BR bulbs more effective in the forward direction.

This design eliminates light commonly reflected backward, increasing the frontal illumination and, more so, a broader beam spread.

R Bulbs:

Due to the lack of the bulged design, R (Reflector) bulbs do not have as effective directional light delivery. Consequently, a certain amount of light is dispersed, making them less efficient than BR bulbs.

R bulbs are usually physically more extensive and less energy efficient than their BR counterparts. With no bulged reflector, more light is wasted inside the bulb than with a bulged reflector, leading to less light and consequent energy emission.

Let's explore some of the differences between these two light bulbs.

Key Differences

Reflector Design: The BR bulbs have a reflector that forms a bulbous section to direct light, while the R bulbs have an unbulged reflector.

Light Distribution: BR bulbs' primary and most beneficial feature is that they diffuse light much further and evenly than most other types of lighting. Hence, they are effective for general lighting.

On the other hand, R bulbs are less effective in the dispersion of light as they provide a narrower beam.

Energy Efficiency: Different designs used in constructing these bulbs make them more efficient in using energy than other bulbs since they don’t experience much light loss.

R bulbs are less efficient as they do not melt light as efficiently as LED bulbs and offer less visibility.

Applications: BR bulbs are commonly used in downlights, spotlights, recessed lighting, tracks, and display lights, which require wash lighting.

R bulbs are typically used where the emphasis is not on the exact light distribution in space.

Parabolic Aluminized Reflector (PAR) Light Bulbs

These bulbs can be used at comparatively high wattage to produce firmly focused beams highlighting certain zones or objects.

What is a PAR Light Bulb?

PAR Light bulbs have a parabolic aluminized reflector that concentrates the light or beam angle in a narrowly defined area. This design assists in converging the light to make it much brighter than the standard light, which is essential in cases of spotlight and floodlighting.

PAR light bulb shapes are ideal in areas that require illumination on an object or area of interest, such as retail, stores, decorations, and security lights outside buildings.

PAR Light Bulb Sizes

Choosing the Right Light Bulb

Isn’t it unusual to notice different light temperatures when using LED bulbs in your living room and kitchen? This is because of the type and size of the bulbs selected.

The process of choosing a light bulb shape is much more than simply deciding on what shape and size to buy. Several aspects should be considered to achieve compatibility with your fixtures and reach expectations for light and efficacy.

Factors to consider: voltage, wattage, and lumen output

Light Bulk selection is not just a simple task of choosing the right shape and size; the following are some of the factors that should be considered.

However, these values depend on many factors to provide compatibility with fixtures and reach the light output and efficiency level.

• Ensure Compatibility with Fixtures and Desired Light Output

The unnecessarily complicated thing that should be noted about a light bulb is that its voltage and wattage must correspond to the fixture’s requirements.

Voltage fluctuations in track lights can result in inferior operation or complete damage to the bulb and the fixture. Wattage refers to the amount of electricity used, while lumens show the amount of light produced.

LED options for BR and R shape Light Bulbs

• Energy-Efficient and Long-Lasting Alternatives

LED bulbs are well suited to BR (Bulged Reflector) and R (Reflector) bulbs since they are energy efficient and have a much better lifespan than classic incandescent bulbs.

Low-energy LED BR and R bulbs save energy as they produce the same amount of light, even more than traditional bulbs, resulting in low electricity consumption and replacement costs.

• Available in Various Color Temperatures and Beam Angles

LED BR and R bulbs are available in different color temperatures, including soft white, warm white, bright white, and cool daylight, to help you set the mood in the home.

FAQs

What do the numbers in BR20, BR30, and BR40 mean?

In the names of these models, numbers at the end refer to the bulb's diameter in eighths of an inch. For example, the dimensions of a BR30 bulb are 30/8 inch or 3. 75 inches in diameter.

Are BR bulbs energy-efficient?

Yes, this is true, especially when using LED bulbs. These bulbs are more efficient and are for their lifetime than incandescent bulbs.

Are BR bulbs energy-efficient?

LED BR bulbs use much less energy when compared to incandescent or halogen BR bulbs due to their energy-saving characteristic.

They offer as much or even a superior amount of light as the traditional bulbs while using less power, cutting electricity expenses.

Conclusion

To sum up, choosing the appropriate light bulb is significant in showcasing performance and appropriately establishing moods in homes or businesses.

It uses several varieties, including A, B, C, G, MR, T, and PAR bulbs for specific use. Knowing the bulb code and shape, e.g., candle bulbs, makes one informed, particularly when needing general, decorative, or directional lights.

So, are you planning to get different bulb sizes for different locations? Share your experience with us in the comments section.

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