There are different types of lamp bases available in the market, and the most popular ones are E27, B22, E40, and E14. These bases differ in size, shape, and type, and each one has its own unique advantages and limitations.
1) E27 is the most common type of base, and it is also known as Edison Screw. It is typically used for household bulbs, and it has a screw thread that is 27mm in diameter. E27 bases are widely available and easy to find, making them an excellent choice for most lighting applications.
2) B22 is another popular type of lamp base that is commonly used in the UK and other countries. It is also known as Bayonet Cap, and it has a pin-type base that is 22mm in diameter. B22 bases are easy to install and remove, making them a good choice for lamp fittings that need to be changed regularly.
3) E40 is a larger type of base that is used for high wattage lamps, such as street lights, industrial lighting, and public buildings. It has a screw thread that is 40mm in diameter, and it is designed to handle high power and high temperature conditions.
4) E14 is a smaller type of base that is used for smaller bulbs, such as chandeliers, table lamps, and decorative lighting. It has a screw thread that is 14mm in diameter, and it is ideal for lighting fixtures that require a smaller bulb size.
In conclusion, the difference between these lamp bases lies in their size, shape, and type. Each base has unique advantages and limitations, and the choice of lamp base will depend on the specific application and lighting requirements.
