How do I know what type of light bulb I have?

Bulbs shapes have an alphanumeric code. The letter tells you the general shape of the bulb and number tells you the width or diameter of the largest part of the bulb in eighths of an inch. For example, the common and well-known standard light bulb for a table lamp is also referred to as an “A19”.

What are the different types of bulb fittings?





Different light bulb fittings at a glance

  • E27 bulb. E27 is probably one of the most common and used bulb in lamps and it is sometimes referred to as Edison large screw. …
  • E14 bulb. …
  • GU10 bulb. …
  • GU5. …
  • G4 Bulb. …
  • G9 Bulbs. …
  • GX53 Bulbs. …
  • G53 Bulbs.

How do you read a light bulb code?

The code number of a bulb consists of a letter or letters followed by a number. The letter indicates the shape of the bulb and the number relates to the diameter of the bulb in eighths of an inch. The mosts commonly used household bulb is the A-19. The bulb is “A” type and the diameter would be 23/8″.

What are the 4 types of light?

What are the 4 types of lighting?

  • Ambient lighting.
  • Task lighting.
  • Accent lighting.
  • Decorative lighting.




How many different kinds of light are there?

From lowest energy to highest energy (red to blue) there are radio waves, microwaves, infrared, visible light, ultraviolet, x-rays and gamma rays.

How many types of lighting are there?

There are three basic types of lighting that work together to light your home: General, Task and Accent. A good lighting plan combines all three types to light an area, according to function and style. General Lighting provides an area with overall illumination.

What is light and types of light?

Light is electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10−11 metres to radio waves measured in metres.

What are 5 examples of light?



Light energy comes in many different forms, including:

  • Visible light.
  • Infrared waves.
  • X-rays.
  • Ultraviolet light.
  • Gamma rays.
  • Radio waves.
  • Microwaves.

What are the two types of light source?

There are two basic types of light sources: Incandescence and Luminescence.

What are the 5 characteristics of light?



Photography is “writing with light.” So, let’s build our conversation about lighting on five fundamental characteristics of light: Direction, Intensity, Color, Contrast, and Hardness.

What are the 4 main properties of light?

The primary properties of light are intensity, propagation direction, frequency or wavelength spectrum and polarization. Its speed in a vacuum, 299 792 458 metres a second (m/s), is one of the fundamental constants of nature.

What are the 3 main characteristics of light?