Series division principle:

According to the type of protection against electric shock: lamps should be classified as Class I, II or III

According to dust, anti-solid foreign body and waterproof classification: lamps should be GB 4208 as specified in the "IP number" classification (outdoor use of the IP level of the lamp is usually IP44 or higher)

According to the design of the installation of surface materials Category:

      - Suitable for installation on non-combustible materials

      - suitable for direct installation on the surface of ordinary combustible materials

      - When the insulation material may cover the lamp, the lamp is suitable for direct installation on the surface or surface of a conventional combustible material

According to the installation of the lamp classification: fixed installation, embedded installation