Lamp base: types, characteristics

It is difficult to imagine what the modern world would look like without light bulbs. Manufacturers produce a variety of lighting fixtures. However, you should know that not everyone is the same. When buying, it is important to know what the size of the lamp base is, otherwise the purchased copy may simply not be suitable, and you will need to purchase another lighting device of the appropriate size. Carefully read our article to avoid vain purchases in the future.

Types of socles

The standard lamp cap is marked with a letter and numbers. What do they mean? The letter is the designation of the variety, and the figure characterizes the type. The most common to date, the socle, designated the letter "E", invented by Edison. It is so called " Edison Screw " ("Edison Screw type"). The figure following the letter means diameter. The most common size of the cap today is 27 mm.

By popularity on the honorable second place are located "minions" - "E14". This size of the lamp cap is usually used in sconces and in small lamps. Although manufacturers are willing to use them in large chandeliers.

The bases of incandescent lamps of type "E" are also with the original marking of 5, 10, 12, 17, 26 and 40 mm in diameter. However, their prevalence is small in everyday life.

In today's world, energy saving technologies are becoming more popular. Do not stay away and the manufacturers of lighting equipment. Today, a lot of various energy-saving bulbs with E27-type socles and also E14 are produced. However, you should know that they are not suitable for electronic switches. Also, such lamps are not suitable for working with circuits where conventional dimmers are used.

Pin socles

The difference of this type of socle from the previous one is in the pin system of fastening the lamp to the cartridge. This is indicated by the letter "G". The number following, means the distance between the middle of the pins. Such a connection is used in luminescent as well as in halogen lighting devices. The dimensions of the lamp caps of this type can vary. Halogen lamps are equipped with lighting devices labeling "G4" and "G9". The rest of the socles of this type are used in fluorescent lamps.

The lamp base with the "GU" marking indicates that this appliance is energy-saving. Lamps of this type are like a tablet. Such a lighting device is ideal for lighting cabinets, for decorating small items of interior, as well as for suspended ceilings.

The socle "R7s-7"

A recessed contact for this type of cap. The main representatives of lighting fixtures with the "R7s-7" cap are halogen quartz lamps. The main area of their application is high intensity lighting.

For completeness of the description, mention should also be made of lamps with a pin-type cap of type "B", which is quite rare. Manufacturers also produce lighting fixtures with a soffit "S" socket, as well as an original focusing "P" socle. Usually these are lamps of unusual design, but in everyday life they are almost not used.