What is a PAR bulb?
Also asked, what does PAR mean in light bulbs?
Parabolic Aluminized Reflector
One may also ask, what is the difference between a par30 and par38 light bulb? 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.
Keeping this in view, what is the difference between par and BR bulbs?
BR (for bulged reflector) bulbs are lamps with “wide flood” beam angles, which means that they provide more than a 45 degree angle when lighting an area. PAR (short for Parabolic Aluminized Reflector) bulbs are available in these angles: Flood, 33-45 degrees. Wide flood beam, over 45 degrees.
What is the difference between par20 and par30 light bulbs?
PAR20: 20 denotes, the exact measurement from brim to brim of LED lights, that is to say, 20/8 inch in diameter, approximately 64mm; PAR30 is standing for 30 denotes, 30/8 inch in length near to 95mm, PAR38. 38 denotes, 38/8 inch in length, is equal to 120mm.