Choosing the Correct Light Bulb for Recessed Can Lighting

!±8± Choosing the Correct Light Bulb for Recessed Can Lighting

Choosing the correct light bulb for recessed can lighting can be a daunting task. If you aren't familiar with light bulbs and all the different types it's hard to know where to start. Most folks simply replace burnt out bulbs with what they pull out. Others go to the local hardware store and just buy what "looks" right on the shelf. With a simple analysis, you can choose for yourself what the best light bulb for your application is by splitting out the choices that need to be made.

Obviously, the easiest way to replace light bulbs in your recessed can lights is to pull out the old one and simply purchase that same bulb. If you don't have that as an option, follow the below steps to choose the correct light bulb.

Key Abbreviations to Understand:

I'm going first outline the main letters that you'll see on your current bulb or in your can fixture and what they mean. 40W (or any number followed by a W) = 40 Watt; R16 or BR16 or PAR20 (There are many of these. Most start with a letter or a few letters and are followed by a number) = these are bulb shapes; 120V or 130V (This may or may not be stipulated) = Indicates voltage.

List from Fixture:

Your first step should be to look inside your can fixture. Most will have a sticker on it that will outline about a half a dozen of options that can be used in that specific fixture. I.E. 40W R16

Best Style for your Baffle, Lense or Reflector:

Next, go to the website of the manufacturer that made your can fixture. The 3 major manufacturers are Cooper Halo Lighting (www.haloltg.com), Juno Lighting (www.junolighting.com) and Lithonia (www.lithonia.com). Around the edge of your can you will have what is known as a baffle, lense or reflector (trim). This is a separate piece you will find in your can. Each manufacturer will have their recommended light bulbs to use that will maximize the effectiveness of your particular baffle, lense or reflector. Find this under their "specifications" sheet attached to your particular attachment.

Decide if you want a Spot or Flood:

Some light bulbs like Halogen PAR shaped light bulbs will come two ways: Spot lights or Flood lights. The progression goes from Spot to Flood to A19 which lights up in all directions. Most spots light an area up to 20 degrees in width. Most choose these if they want to light up art work or focus on a mantel or something similar. A flood generally goes from 25 degrees to 60 degrees in swath of light. Then an A19 lights up tan entire area. But not all fixtures are made to have A19 light bulbs in them permanently. In most cases, you'll want flood light bulbs.

What Color of Light do you want?

If you are looking at Compact Fluorescents, you will sometimes have an option of color. And I don't mean pink vs. white. I mean the color of the light that is emitted. If your compact fluorescent says that the color temperature is 2700K, the light will be a soft white color. If it says that it is a 5000K, it will be more of a blue-ish white light.

Type of Light Bulb:

The last thing you'll need to decide is the type of bulb you will want. The main types of light bulbs that people use are Incandescent, some sort of long life incandescent, halogen and compact fluorescent light bulbs. I'm not going to go into the differences in them all here as that is a whole different conversation. Regardless, many times you will have the option to use any of these types of light bulbs in your can fixture. I.E. A BR40 Incandescent is a similar bulb type as a BR40 halogen. The important thing to remember here is to not go over the wattage the your can fixture recommends. Using a light bulb with the wattage too high for the fixture could shorten the life of the light bulb and could even cause a fire in some of the older cans.

By asking yourself these questions before buying, you will eliminate the confusion this purchase can present. And you will be happier overall with your purchase and the look of your room or application.

Choosing the Correct Light Bulb for Recessed Can Lighting

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!±8± Globe 4408201 23-Watt BR40 Compact Fluorescent Indoor Flood Light Bulb, 4 Pack

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Understanding the Numbers on Your Light Bulbs

!±8± Understanding the Numbers on Your Light Bulbs

Often, when it is time to replace a light bulb the easiest course of action to take is to look at the bulb that you take out and simply replace it. What if you want to understand what you have so you know how to search for a replacement? The numbers and letters are abbreviations and with the knowledge of what they mean you can easily look for the light bulb you want.

Wattage
Wattage is the amount of energy the light uses per hour. In the same family of light bulbs (like incandescent light bulbs) the higher the wattage the brighter the light is. The disadvantage is that you use more energy. So, if a light bulb is 100 watts, you are using 100 watts of energy per hour. You'll often see this shortened and will see the abbreviation look like this: 100W or 100w. If you are using a compact fluorescent the number will be more like 16w.

Bulb Shape
With Philips Lighting, for example, there are at least 50 bulb shapes in incandescent light bulbs. With halogen and halogena' you will find at least 32 bulb shapes. In Philips Fluorescent and Compact Fluorescent groups there are at least 38 bulb shapes. And lastly with HID, Specialty and LED light Bulbs there are over 50 bulb shapes.

If you are using a PAR38 in your recessed lighting, that same bulb shape is available in an incandescent, halogen, compact fluorescent or metal halide. The overall length may vary a little but the basic shape of the light bulb will be the same.

How do you know what bulb shape you have? The letters used aren't really abbreviations. Examples of bulb shapes: BT15, BR40, PAR38, T4, G25, A19 and so on. A19 is your common incandescent light bulb often used in table lamps. F, B & BA Shapes are used generally in chandeliers and sconces. BR, ER, PAR, R and others are used in recessed lighting and some outdoor lighting. G are globe light bulbs commonly used in vanity lighting. This is not all the shapes but you get the idea.

If you live in California, you might be surprised to know that the state requires contractors of new construction to insert certain fixtures that only use compact fluorescents. These will often take PL bulbs shapes. They are PL-H, PL-S, PL-C, PL-L and PL-T. They vary in regards to base style and length and number of tubes you see on the bulb.

Base Type
The most common base types are Medium base and Candelabra base. Medium base is the regular size that is roughly 1" in diameter. Candelabra base is the much smaller base that is used mainly in sconces, chandeliers and some small portable lamps.

In California the base types of the plug in light bulbs are written like this: G24d-3, G23, 2G8-1, G24q-1 or something in a similar sequence.

Voltage
Voltage should be chosen based on the voltage of power that is coming into your home. This is indicated in either 120V or 130V. If you have put a 120V light bulb in a table lamp and you've blown a couple pretty quickly, you most likely need a 130V light bulb.

Low voltage lighting is 12 volts or 12v and is generally halogen light bulbs.

Spot Vs Flood
Spot or a flood often used in recessed cans each have varying degrees of swath of light. It might be 10(degrees), 25, 32 or 40 or any number around this range. Spots are a narrower beam and flood light bulbs have a larger beam of light.

Color
Sometimes you will see on your bulb a number like 827, 830, 835 or 841. All of these numbers are the different colors that Philips compact fluorescent plug ins come in. Other light bulbs may come in varying colors as well.

By grasping these simple indicators, most will be able to figure out what kind of light bulb they are holding. Good luck to you.

Understanding the Numbers on Your Light Bulbs

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