What is the difference between r20 and r30

The inside of these bulbs are painted with a reflective coating to direct light forward. Due to this feature, R bulbs will put out approximately double the illumination, expressed in foot-candles, on the directional spot while using less power. The number 20 represents the bulb diameter measured in eighths of an inch. Thus, LED R20 bulbs are 2. R20 bulbs are available in different wattages. The base of these bulbs fit into standard sockets, making it easy to replace incandescent and fluorescent bulbs with LED R20 lamps.

They can be used indoors and outdoors as floodlights or directional lighting for specific spaces. Category: automotive motorcycles. The difference is simply the diameter of the bulb. R30 bulbs are the larger of the two bulbs. BR30 bulbs are actually the newer, more energy-efficient version of R20 bulbs and are the same size as R20s. R30 bulbs have a diameter of 3. How do I know Bulb size? What size is a standard light bulb? What is an r40 light bulb? What does r20 mean in light bulbs?

What does par38 mean in light bulbs? What is a reflector light bulb? What are reflector bulbs used for? Can you use par30 instead of par38? What are the different types of light bulbs? Incandescent Bulbs: Incandescent bulbs are the typical bulbs.

Can LED bulbs be used in recessed lighting? Contact Us. FREE Shipping. 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.

They both share almost all of the same features that come with LED Light Bulbs, and therefore you only need to know the following difference between the two types. Use BR bulbs when a broad pattern of ambient light is needed such as down a hallway or over a kitchen countertop. BR bulbs also work best in recessed downlights or "pot lights" as they provide the best wide angle illumination. Use PAR bulbs when attempting to put a focused beam of light on an object such as in track lighting or illuminating artwork.

PAR spot lights also work great as outdoor security lighting. I was wondering the same thing as QEW. These bulbs have a wide coverage and hard glass covering that helps them withstand harsh environmental conditions. Traditionally, the inside of R type was covered in a reflector material that used to gather light and cast it away from the bulb. Nowadays, R type bulbs have an evenly frosted coating that works to diffuse light and prevents glare. Unlike the PAR bulb, the entire bulb envelope of R type excluding the base is constructed using blown glass.

Also, the exterior part of the bulb is very smooth. The few components of this bulb which includes a brass base, a thin glass and filament make it lightweight. R20 are the most common R type LED floods you can find in many homes as they are used as recessed can lightning or track lighting. R types are measured according to the diameter of the bulb. The most common base type for these bulbs is E26 or E27 medium screw base. R bulbs have a protruding design which makes them ideal for display lights as well as for providing soft ambient and directional light.