What are PAR38 Bulbs? Parabolic aluminized reflector (PAR) 38 bulbs control light more precisely. LED PAR lights produce about four times the concentrated light intensity of general service A shape incandescents, and are used in recessed and track lighting. … Therefore, a PAR 38 is 4.75 inches in diameter.

What is the difference between PAR 30 and PAR 38 bulbs?

Now the bad news: PAR38 and PAR30 refer to the physical characteristics of the bulbs. PAR = Parabolic Aluminized Reflector, 38 = thirty-eight eighths of an inch, or 38*1/8″=4.75″. 30 = thirty eighths of an inch, or 30*1/8″=3.75″. As you can see, PAR38 has a larger diameter than a PAR30 bulb or can.

Is a PAR38 bulb LED?

Using LED technology, PAR38s are more efficient than standard incandescent or halogen bulbs, meaning these last longer and use less energy. In fact, each PAR38 LED lamp can last up to 50,000 hours to save you money over the life of the bulb.