What does par 20 mean on a light bulb?

Table of Contents

Parabolic aluminized reflector
Parabolic aluminized reflector (PAR) 20 bulbs control light more precisely. They produce about four times the concentrated light intensity of general service A shape incandescents, and are used in recessed and track lighting. Like all light bulbs, the 20 value represents the diameter of the bulb in 1⁄8 of an inch.

What is the difference between PAR 20 and PAR 30 bulbs?

Unlike smaller PAR16 and PAR20 bulbs, PAR30 LED bulbs provide a wider beam angle, making them perfect for both spot and flood lighting. For example, you could swap out your BR bulb with a PAR bulb if you were looking for a sharp, focused light to illuminate a single object like a painting.

Is R20 same as PAR20?

Either way, the bottom line is that a PAR20 and R20 bulb are the same size and can be used in similar situations, but the PAR20 will be better when more focused light is desired and an R20 will be better for more diffused light and general lighting situations.

How big is an R20 bulb?

What Is a R20 Light Bulb? R20 bulbs are a style of flood light bulb with a reflective coating on the inside of the bulb. As with other flood lights, the 20 indicates the bulb’s diameter in 1/8 of an inch. This means any R20 bulb’s diameter is approximately 2.5 inches.

What is the difference between PAR30 and par30l?

Unlike other types of bulb, when choosing a PAR30, you’ll have to decide between a long neck or a short neck….What Are The Dimensional Differences?

Type of Bulb	Average Length	Width (Diameter)
Short Neck PAR30	3.978 inches	3.75 inches
Long Neck PAR30	4.74 inches	3.75 inches

What is the difference between R20 and BR20?

R20 can either be a PAR20 or a BR20. The main difference between the 2 is the beam angle of the light. BRs spread the light with a 120 degree beam angle, while PARs create a focused light with 40 degree beam angle. 9 of 11 found this helpful.