The main types are classified according to size specifications, which are B15 (SBC), B22d (BC), E14 (SES) and E27 (ES).
In addition. By nature, and we call the ones that start with “E” the common screw holder, you know, the most commonly used type of lamp. And then the number behind represents the size of the lamp holder. For example, the E27 is our usual incandescent lamp holder. Also, E14 is smaller than E27, and E40 is larger than E27. In addition, 85W energy-saving lamp usually has E27, E40 two kinds of lamp cap, generally, we call it small head energy-saving lamp and big head energy-saving lamp.
Then, the one beginning with GU is called bayonet type, where G means the type is insert type, U means the part of the lamp cap is in the shape of U, and the number behind represents the center distance of the lamp foot hole (unit is mm), such as GU10.
MR (MultifaceReflect) refers to multifaceted reflection (lamp cup). We take the one at the beginning of MR As the type of lamp holder commonly used for in-line local lighting spotlights, which usually have two pins for easy installation. For example, the caliber of MR16 is 16×1/8=2 inches, which is about 50mm. In the lighting industry, it refers to the lamp with a multi-sided reflector with a maximum outer diameter of 2 inches.
PAR lamps, also known as downlights, are beams of light that are commonly used for stage lighting, dynamic color change, etc. They are common lamps on the stage, which usually consume a lot of power and have high temperature, and are gradually replaced by LED lamps.
AR begins with an aluminum cold reflective halogen spot lamp.
G12 is a single – ended tubular metal halide bulb.