The classification of the street light

Street lamps are usually classified according to the shape of light. The International Commission on lighting (CIE) suggests that the specific division method should be carried out according to three items: projection, expansion and control.

① （Street light)Projection. It indicates the diffusion degree of light emitted by lamps along the longitudinal direction of the road, which is divided into short, medium and long.

② (street light)Extension. It indicates the diffusion degree of light emitted by lamps in the transverse direction of the road, which is divided into narrow, general and wide.

③ (street light)Control. Indicates the degree of glare control of lamps, which can be divided into limited, medium and strict.
The installation methods of street lamps include bracket type, high cantilever type, straight rod type, suspension type and wall suction type